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SS Cygni [SEP] constellation | SS Cygni
SS Cygni is a variable star in the northern constellation Cygnus (the Swan). It is the prototype of the subclass of dwarf novae that show only normal eruptions. It typically rises from 12th magnitude to 8th magnitude for 1–2 days every 7 or 8 weeks. The northerly declination of SS Cygni (about 44° N) makes the... | two K class (orange) main-sequence stars, 61 Cygni A and 61 Cygni B, which is known for its large proper motion), Procyon (the brightest star in the constellation Canis Minor and the eighth-brightest star in the night time sky, which is a binary consisting of the main star with a faint white dwarf companion), SS Lacert... | 11,500 | zeroshot-train |
Sidus Ludoviciana [SEP] constellation | Sidus Ludoviciana
Sidus Ludoviciana is an 8th-magnitude star in the asterism of the Big Dipper in the constellation Ursa Major, halfway between Mizar and Alcor. It was discovered on 2 December 1722 by Johann Georg Liebknecht, who mistook it for a planet and named it after Louis V, Landgrave of Hesse-Darmstadt. A line-o... | conflict.
The Landgrave died in 1626 and he was succeeded by George II, Landgrave of Hesse-Darmstadt.
In 1722, Johann Georg Liebknecht, an astronomer at the University of Gießen, named a star, which he thought was a planet, Sidus Ludoviciana after Ludwig V.
Issue.
Louis V married Magdalene of Brandenburg, daughter of J... | 11,501 | zeroshot-train |
Stein 2051 [SEP] constellation | Stein 2051
Stein 2051 (Gliese 169.1, G 175-034, LHS 26/27) is a nearby binary star system, containing a red dwarf (component A) and a degenerate star (white dwarf) (component B), located in constellation Camelopardalis at about 18 ly from Earth.
Stein 2051 is the nearest (red dwarf + white dwarf) separate binary system... | L 97-12
L 97-12 (or WD 0752-676, or LHS 34, or Gliese 293) is a nearby degenerate star (white dwarf), located in the constellation Volans, the single known component of the system.
Distance.
Possibly, L 97-12 is the ninth-closest white dwarf after Sirius B, Procyon B, van Maanen's star, Gliese 440, 40 Eridani B, Stein ... | 11,502 | zeroshot-train |
Upsilon Serpentis [SEP] constellation | Upsilon Serpentis
Upsilon Serpentis, Latinized from υ Serpentis, is a star in the Serpens Caput section of the constellation Serpens. Based upon an annual parallax shift of 13.04 mas as seen from Earth, it is located around 250 light years from the Sun. The star is bright enough to be faintly visible to the naked eye, ... | Lake Upsilon
- Upsilon Librae
- Upsilon Orionis
- Upsilon Piscium
- Upsilon Sagittarii
- Upsilon Scorpii
- Upsilon Serpentis
- Upsilon Tauri
- Upsilon Ursae Majoris
- Upsilon Virginis
- Upsilon particle
See also.
- Ipsilon (disambiguation)
- Upsilon Phi Delta
- Upsilon Phi Sigma
- Upsilon Pi Epsilon
- Upsilon Sigma Phi | 11,503 | zeroshot-train |
V744 Centauri [SEP] constellation | V744 Centauri
V744 Centauri, is a semi-regular variable pulsating star in the constellation Centaurus. Located 3 degrees north north east of Epsilon Centauri, It ranges from apparent magnitude 5.1 to 6.7 over 90 days. It is unusual in that it is a red star with a high proper motion (greater than 50 milliarcseconds a ye... | KTA
KTA may refer to:
- Kansas Turnpike, a toll road in the United States of America
- Kansas Turnpike Authority, the governing body of the Kansas Turnpike
- Karratha Airport, an airport in the northwest region of Western Australia
- Kokoda Track Authority, a local government Special Purpose Authority in Papua New Guin... | 11,504 | zeroshot-train |
WISE J004945.61+215120.0 [SEP] constellation | WISE J004945.61+215120.0
WISE J004945.61+215120.0 is a brown dwarf of spectral class T8.5, located in constellation Andromeda at approximately 24 light-years from Earth.
Discovery.
WISE J004945.61+215120.0 was discovered in 2012 by Mace et al. from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orb... | Distance.
Trigonometric parallax of WISE J004945.61+215120.0 is not yet measured. Therefore, there are only distance estimates of this object, obtained by indirect — spectrofotometric — means (see table).
WISE J004945.61+215120.0 distance estimates | 11,505 | zeroshot-train |
X Persei [SEP] constellation | X Persei
X Persei is a high-mass X-ray binary system located in the constellation Perseus, approximately 950 parsecs away. It is catalogued as 4U 0352+309 in the final Uhuru catalog of X-ray objects.
The conventional star component of X Persei has been classified either as an O-type giant or a B-type main sequence star... | , who called it "Divels head" or "Rosch hassatan". A Latin name for Algol from the 16th century was "Caput Larvae" or "the Spectre's Head". Hipparchus and Pliny made this a separate, though connected, constellation.
In Chinese, (), meaning "Mausoleum", refers to an asterism consisting of β Persei, 9 Persei, τ Persei, ι... | 11,506 | zeroshot-train |
1 Pegasi [SEP] constellation | 1 Pegasi
1 Pegasi (1 Peg) is a triple star system in the constellation Pegasus, located approximately 156 light years away from the Sun based on parallax. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.09. The system is moving closer to the Earth with a heliocentric r... | have gotten consolation, 3rd and 2nd. In 2018, they won state championship in 1A Division II. Some of the most intense rivalries Carey has in sports have been with Richfield, Dietrich and in the past Shoshone High School. | 11,507 | zeroshot-train |
2M1207 [SEP] constellation | 2M1207
2M1207, 2M1207A or 2MASS J12073346-3932539 is a brown dwarf located in the constellation Centaurus; a companion object, 2M1207b, may be the first extrasolar planetary-mass companion to be directly imaged, and is the first discovered orbiting a brown dwarf.
2M1207 was discovered during the course of the 2MASS inf... | and probably a member of the TW Hydrae association. Its estimated mass is around 25 Jupiter masses. The companion, 2M1207b, is estimated to have a mass of 3–10 Jupiter masses. Still glowing red hot, it will shrink to a size slightly smaller than Jupiter as it cools over the next few billion years.
An initial photometri... | 11,508 | zeroshot-train |
35 Cygni [SEP] constellation | 35 Cygni
35 Cygni is a spectroscopic binary star in the constellation Cygnus. Its apparent magnitude is 5.18. Located around distant, its primary is a yellow supergiant of spectral type F6Ib, a massive star that has used up its core hydrogen and is now fusing heavier elements.
Yellow supergiants are usually variable, o... | for many rare species such as water voles, otters, and water shrews. They coppice waterside trees and shrubs so that they regrow as dense shrubs which provide cover for birds and other animals. Beaver dams trap sediment and improve water quality, and recharge groundwater tables and increase cover and forage for trout a... | 11,509 | zeroshot-train |
51 Eridani b [SEP] constellation | 51 Eridani b
51 Eridani b is a "Jupiter-like" planet that orbits the young star 51 Eridani, in the constellation Eridanus. It is 96 light years away from the solar system, and it is approximately 20 million years old.
General information.
51 Eridani b was announced in August 2015, but was discovered in December 2014 us... | of antibodies in the colostrum. After that, the kittens can be allowed to nurse naturally.
Neonatal isoerythrolysis in foals.
Neonatal isoerythrolysis usually presents during the first 4 days of a foal's life, or 4-7 days in mule foals. It is a medical emergency and requires immediate veterinary attention to prevent fu... | 11,510 | zeroshot-train |
51 Ophiuchi [SEP] constellation | 51 Ophiuchi
51 Ophiuchi is a single star located approximately 410 light years away from the Sun in the equatorial constellation of Ophiuchus, northwest of the center of the Milky Way. It is visible to the naked eye as a faint, blue-white point of light with an apparent visual magnitude of 4.81. The star is moving clos... | Kern County Board of Supervisors
The Kern County Board of Supervisors is the legislative and executive body that governs Kern County, California.
Modern.
As of October 2015 the members were:
- 1st District, Mick Gleason.
- 2nd District, Zack Scrivner.
- 3rd District, Mike Maggard.
- 4th District, David Couch.
- 5th Dis... | 11,511 | zeroshot-train |
61 Ursae Majoris [SEP] constellation | 61 Ursae Majoris
61 Ursae Majoris (61 UMa) is an orange-yellow G8 main-sequence star in the constellation Ursa Major. It is somewhat smaller and fainter than the Sun, and can just barely be seen by the unaided eye (based on a magnitude limit of 6). Since 1943, the spectrum of this star has served as one of the stable a... | and beyond.
The second system comes from the English astronomer John Flamsteed's "Historia coelestis Britannica" (1725). It kept the genitive-of-the-constellation rule for the back end of his catalogue names, but used numbers instead of the Greek alphabet for the front half. Examples include 61 Cygni and 47 Ursae Major... | 11,512 | zeroshot-train |
65 Arietis [SEP] constellation | 65 Arietis
65 Arietis is a star in the northern constellation of Aries, located near Tau Arietis. "65 Arietis", abbreviated '65 Ari', is the Flamsteed designation. It has an apparent visual magnitude of 6.07, which, according to the Bortle Dark-Sky Scale, means it is faintly visible to the naked eye when viewed from da... | Augusta is part of the Fall Line Freeway, a highway that connects Columbus and Augusta. This portion may eventually be incorporated into the proposed eastern extension of Interstate 14 (I-14), which is currently entirely within Central Texas and may be extended into Augusta.
Route description.
Route description Charlto... | 11,513 | zeroshot-train |
66 Arietis [SEP] constellation | 66 Arietis
66 Arietis (abbreviated 66 Ari) is a double star in the northern constellation of Aries. "66 Arietis" is the Flamsteed designation. It has an apparent visual magnitude of 6.03, putting it near the limit for naked eye visibility. The magnitude 10.4 companion is located at an angular separation of 0.810 arcsec... | South Lebanon Township
South Lebanon Township may refer to:
- South Lebanon Township, Sharp County, Arkansas, in Sharp County, Arkansas
- South Lebanon Township, Lebanon County, Pennsylvania
See also.
- Lebanon Township (disambiguation)
- North Lebanon Township (disambiguation) | 11,514 | zeroshot-train |
Alpha Persei Cluster [SEP] constellation | Alpha Persei Cluster
The Alpha Persei Cluster, also known as Melotte 20 or Collinder 39, is an open cluster in the constellation of Perseus. To the naked eye, the cluster consists of several blue spectral type B type stars. The most luminous member is the ~2nd magnitude white-yellow supergiant Mirfak, also known as Alp... | distance to the cluster of ~172 pc. The distance established via the independent analyses agree, thereby making the cluster an important rung on the cosmic distance ladder. The age of this cluster is about 50-70 million years.
External links.
- Alpha Persei Moving Cluster, Mel 20
- The Alpha Persei Cluster (Mel 20)
- S... | 11,515 | zeroshot-train |
Beta Hydri [SEP] constellation | Beta Hydri
Beta Hydri (β Hyi, β Hydri) is a star in the southern circumpolar constellation of Hydrus. (Note that Hydrus is not the same as Hydra.) With an apparent visual magnitude of 2.8, this is the brightest star in the constellation. Based upon parallax measurements the distance to this star is about .
This star ha... | their Bayer designations in 1756. Its name means "male water snake", as opposed to Hydra, a much larger constellation that represents a female water snake. It remains below the horizon for most Northern Hemisphere observers.
The brightest star is the 2.8-magnitude Beta Hydri, also the closest reasonably bright star to ... | 11,516 | zeroshot-train |
Beta Phoenicis [SEP] constellation | Beta Phoenicis
Beta Phoenicis (β Phoenicis, β Phe) is a binary star in the constellation Phoenix. Its apparent magnitude is 3.30, meaning that it can be seen with the naked eye "(see Bortle scale)".
The distance to Beta Phoenicis is poorly known. The original reduction of the Hipparcos satellite's data yielded a parall... | light years distant from Earth and orbited by a secondary object about which little is known. Lying close by Ankaa is Kappa Phoenicis, a main sequence star of spectral type A5IVn and apparent magnitude 3.90. Located centrally in the asterism, Beta Phoenicis is the second brightest star in the constellation and another ... | 11,517 | zeroshot-train |
Beta Trianguli Australis [SEP] constellation | Beta Trianguli Australis
Beta Trianguli Australis, Latinized from β Trianguli Australis, is a double star in the southern circumpolar constellation of Triangulum Australe. It is approximately from Earth and has an apparent visual magnitude of +2.85. This star has a relatively high rate of proper motion across the celes... | stars their Bayer designations in 1756.
Alpha Trianguli Australis, known as Atria, is a second-magnitude orange giant and the brightest star in the constellation, as well as the 42nd-brightest star in the night sky. Completing the triangle are the two white main sequence stars Beta and Gamma Trianguli Australis. Althou... | 11,518 | zeroshot-train |
Double Cluster [SEP] constellation | Double Cluster
The Double Cluster (also known as Caldwell 14) is the common name for the open clusters NGC 869 and NGC 884 (often designated h Persei and χ Persei, respectively), which are close together in the constellation Perseus. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of 7500 light y... | Herschel was the first to recognize the object as two separate clusters. The Double Cluster is not included in Messier's catalog, but is included in the Caldwell catalogue of popular deep-sky objects.
Location.
The Double Cluster is circumpolar (continuously above the horizon) from most northern temperate latitudes. It... | 11,519 | zeroshot-train |
Eta Aquarii [SEP] constellation | Eta Aquarii
Eta Aquarii, Latinized from η Aquarii, is the Bayer designation for a star in the equatorial constellation of Aquarius. It is visible to the naked eye with an apparent visual magnitude of 4.04. The distance to this star, as determined by parallax measurements, is about .
Eta Aquarii is near the radiant of ... | , (), meaning "Tomb", refers to an asterism consisting of Gamma Aquarii, Zeta Aquarii, Eta Aquarii and Pi Aquarii. Consequently, the Chinese name for Gamma Aquarii itself is (, ).
Properties.
Gamma Aquarii is a spectroscopic binary with a period of 58.1 days.
It presents as an A-type main sequence star with a stellar c... | 11,520 | zeroshot-train |
Eta Arietis [SEP] constellation | Eta Arietis
Eta Arietis (η Ari, η Arietis) is the Bayer designation for a star in the northern constellation of Aries. It is dimly visible to the naked eye with an apparent visual magnitude of 5.231. With an annual parallax shift of 34.64 mas, the distance to this star is approximately .
This is an F-type main sequence... | Under 21 Australian Hockey Championships
The Under 21 Australian Championships are Field Hockey tournaments held annually in Australia. The tournament hosts eight teams from around Australia, one from each of the eight states. The event is split into men's and women's tournaments, played usually in the middle of the ye... | 11,521 | zeroshot-train |
Eta Ceti [SEP] constellation | Eta Ceti
Eta Ceti (η Cet, η Ceti) is a star in the equatorial constellation of Cetus. It has the traditional name Deneb Algenubi or Algenudi. The apparent visual magnitude of this star is +3.4, making it the fourth-brightest star in this otherwise relatively faint constellation. The distance to this star can be measure... | η Ceti itself is (, .)
Planetary system.
In 2014, two exoplanets around the star were discovered using the radial velocity method. Planets discovered by radial velocity have poorly known masses because if the orbit of the planets were inclined away from the line of sight, a much larger mass would have to compensate for... | 11,522 | zeroshot-train |
FO Aquarii [SEP] constellation | FO Aquarii
FO Aquarii is an intermediate polar star system in the constellation Aquarius. The white dwarf and companion star orbit each other with a period of approximately 4.85 hours. The system is famous for a very strong optical pulsation which occurs every 20.9 minutes, corresponding with the rotational period of t... | 3, and 4 Aquarii. The 11th lunar mansion shared its name with the constellation "Xu" ("emptiness"), formed by Beta Aquarii and Alpha Equulei; it represented a bleak place associated with death and funerals. "Wei", the rooftop and 12th lunar mansion, was a V-shaped constellation formed by Alpha Aquarii, Theta Pegasi, an... | 11,523 | zeroshot-train |
GSC 03089-00929 [SEP] constellation | GSC 03089-00929
GSC 03089-00929 is a magnitude 12 star located approximately 760 light-years away in the constellation of Hercules. This star is a G type main sequence star that is similar to but slightly cooler than our sun.
This star is identified in SIMBAD as a variable star per the 1SWASP survey.
Planetary system.
... | The mass is 8.65 M.
- HD 155358 has two planets around the lowest metallicity planet-harboring star (21% Sun). Both planets orbit in mild eccentricities.
- GSC 03089-00929 has a short transiting planet TrES-3. The period was 31 hours and undergoing orbital decay.
- Gliese 649 has a saturnian planet around the red dwarf... | 11,524 | zeroshot-train |
Gamma Herculis [SEP] constellation | Gamma Herculis
Gamma Herculis, Latinized from γ Herculis, is a magnitude 3.74 binary star system in the northern constellation of Hercules.
Properties.
This is known to be a spectroscopic binary system, although there is no information about the secondary component. Based upon parallax measurements, this system is loca... | Nasak Shamiya" was the title for three other stars: Beta Serpentis as "Nasak Shamiya I", Gamma Serpentis as "Nasak Shamiya II" and Gamma Herculis as "Nasak Shamiya III".
In Chinese, (), meaning "Right Wall of Heavenly Market Enclosure", refers to an asterism which represents eleven old states in China and which is mark... | 11,525 | zeroshot-train |
Giant Void [SEP] constellation | Giant Void
The Giant Void (also known as the Giant Void in NGH, Canes Venatici Supervoid, and AR-Lp 36) is an extremely large region of space with an underdensity of galaxies and located in the constellation Canes Venatici. It is the second largest confirmed void to date, with an estimated diameter of 300 to 400 Mpc (1... | is the prototype of a special class of binary stars of chromospherically active and optically variable components.
- R Canum Venaticorum is a Mira variable that ranges between magnitudes 6.5 and 12.9 over a period of approximately 329 days.
Features Supervoid.
The Giant Void, an extremely large void (part of the univer... | 11,526 | zeroshot-train |
Gliese 777 c [SEP] constellation | Gliese 777 c
Gliese 777 c, often catalogued as Gliese 777 Ac or simply HD 190360 c, is an extrasolar planet approximately 52 light-years away in the constellation of Cygnus. The planet was discovered orbiting the primary star of the Gliese 777 system in 2005 using the radial velocity method and confirmed in 2009. The p... | Gliese 163 c
Gliese 163 c () or Gl 163 c is said to be a potentially habitable exoplanet, orbiting within the habitable zone of M dwarf star Gliese 163.
The parent star is 15.0 parsecs (approximately 49 light-years, or 465 trillion kilometers) from the Sun, in the constellation Dorado. "Gliese 163 c" is one of three p... | 11,527 | zeroshot-train |
HD 108541 [SEP] constellation | HD 108541
HD 108541, also known by its Bayer designation u Centauri is a star located in the constellation Centaurus, It is also known as HR 4748. The apparent magnitude of the star is about 5.4, meaning it is only visible to the naked eye under excellent viewing conditions. Its distance is about 440 light-years (140 p... | These types of stars are a few times more massive than the Sun, and have effective temperatures of about 10,000 to 30,000 K. HD 108541 is just under 3 times more massive than the Sun and has a temperature of about 11,000 K. | 11,528 | zeroshot-train |
HD 118889 [SEP] constellation | HD 118889
HD 118889 is a binary star in the northern constellation of Boötes.
External links.
- HR 5138
- CCDM J13395+1045
- Image HD 118889 | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,529 | zeroshot-train |
HD 126271 [SEP] constellation | HD 126271
HD 126271 is a suspected variable star in the northern constellation of Boötes.
External links.
- HR 5394
- Image HD 126271 | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,530 | zeroshot-train |
HD 126614 Ab [SEP] constellation | HD 126614 Ab
HD 126614 Ab, or simply HD 126614 b, (also known as HIP 70623 b) is an extrasolar planet which orbits the primary K-type star HD 126614 A, located approximately 240 light years away in the constellation Virgo. It was discovered on November 13, 2009. However, this planet has a highly eccentric orbit around ... | November 13, 2009.
See also.
Other planets that were discovered or confirmed on November 13, 2009:
- HD 34445 b
- HD 126614 Ab
- HD 24496 Ab
- HD 13931 b
- QS Virginis b
Related giant planets around red dwarfs:
- HIP 79431 b
- Gliese 849 b
- Gliese 876 b
- Gliese 876 c
- Gliese 317 b
- Gliese 832 b | 11,531 | zeroshot-train |
HD 148156 [SEP] constellation | HD 148156
HD 148156 is an 8th magnitude G-type main sequence star located approximately 168 light years away in the constellation Norma. This star is larger, hotter, brighter, and more massive than our Sun. Also its metal content almost twice as much as the Sun. In 2009, a gas giant planet was found in orbit around the... | a cool orange donor star. The black hole is a microquasar, firing off jets of material most likely from its accretion disk.
Four star systems are known to harbour planets. HD 330075 is a sunlike star around 164 light-years distant that is orbited by a hot Jupiter every 3.4 days. Announced in 2004, it was the first plan... | 11,532 | zeroshot-train |
HD 157661 [SEP] constellation | HD 157661
HD 157661 is the Henry Draper Catalogue designation for a likely triple star in the southern constellation of Ara. With a measured annual parallax of 5.13 mas, is located at a distance of approximately from Earth. The combined apparent visual magnitude of the stars is 5.29, which means it is faintly visible t... | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,533 | zeroshot-train |
HD 157662 [SEP] constellation | HD 157662
HD 157662 is a bright giant star in the southern constellation of Ara. It has a magnitude 10.91 companion at an angular separation of 76.4″ along a position angle of 159°.
External links.
- HR 6478
- Image HD 157662
- CCDM J17272-5038 | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,534 | zeroshot-train |
HD 16417 b [SEP] constellation | HD 16417 b
HD 16417 b (also called λ Fornacis b) is an extrasolar planet located approximately 83 light years away in the constellation of Fornax, orbiting the 6th magnitude G-type main sequence star HD 16417. This planet has minimum mass only 7% that of Jupiter, making this a Neptune-mass planet. In addition to this, ... | HD 7924 b
HD 7924 b is an extrasolar planet located approximately 55 light years away in the constellation of Cassiopeia, orbiting the 7th magnitude K-type main sequence (slightly metal poor) star HD 7924. It was published on January 28, 2009 and is the second planet discovered in the constellation Cassiopeia. Two addi... | 11,535 | zeroshot-train |
HD 170469 [SEP] constellation | HD 170469
HD 170469 is a yellow subgiant star located approximately 212 light-years away in the constellation Ophiuchus. It has apparent magnitude +8.21 and it is 211.91 ly away.
In 2007, a planet was discovered by the N2K Consortium, led by principal investigators Debra Fischer and Gregory P. Laughlin.
See also.
- HD ... | HD 125612
HD 125612 is a yellow main sequence star located approximately 188 light years away in the constellation Virgo. It is rich in heavy elements and has three known planets in orbit around it. A red dwarf companion star was detected in 2009 at a projected separation of 4750 AU. The possibility of a much closer co... | 11,536 | zeroshot-train |
HD 172051 [SEP] constellation | HD 172051
HD 172051 (86 G. Sagittarii) is a single, yellow-hued star in the southern constellation of Sagittarius. The star is barely bright enough to be seen with the naked eye, having an apparent visual magnitude of 5.85. Based upon an annual parallax shift of 76.64 mas, it is located some 43 light years from the Sun... | a solar analog, having physical properties sufficiently similar to the Sun. It has a stellar classification of G5 V and is around 4.5 billion years old. The mass is similar to the Sun, although it is cooler and has a lower luminosity. Due to this similarity, HD 172051 has been selected as an early target star for both ... | 11,537 | zeroshot-train |
HD 177808 [SEP] constellation | HD 177808
HD 177808 is a 6th magnitude star in the constellation Lyra, approximately 610 light years away from Earth. It is a red giant star of the spectral type M0III, meaning it possesses a surface temperature of around 3,500 kelvins. It is therefore much larger and brighter than our Sun, yet cooler in comparison. | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,538 | zeroshot-train |
HD 27245 [SEP] constellation | HD 27245
HD 27245 is a variable red giant star in the northern constellation of Camelopardalis.
External links.
- HR 1335
- Image HD 27245 | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,539 | zeroshot-train |
HD 31093 [SEP] constellation | HD 31093
HD 31093 (also known as HIP 22573) is a binary star system in the constellation Caelum. HD 31093 is roughly 268 light years distant.
External links.
- HR 1559
- CCDM J04515-3454
- Image HD 31093 | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,540 | zeroshot-train |
HD 41248 [SEP] constellation | HD 41248
HD 41248 is a star in the constellation Pictor. It is a star very similar to our Sun, with the same spectral type (G2V). It has 68% of the Sun's luminosity, 92% of its mass and 78% of its diameter. It is estimated to be around 2 billion years old, and it has a lower metallicity—43% that of the Sun. With an app... | (3: 5.058: 7.964). Relevant to systems like this and that of Kepler-36, calculations suggest that the presence of an outer gas giant planet facilitates the formation of closely packed resonances among inner super-Earths.
- HD 41248 has a pair of super-Earths within 0.3% of a 5:7 resonance (ratio of 1/1.39718).
- TRAPPI... | 11,541 | zeroshot-train |
HD 47186 c [SEP] constellation | HD 47186 c
HD 47186 c is an extrasolar planet located approximately 123 light years away in the constellation of Canis Major, orbiting the star HD 47186. This planet has a minimum mass of 0.35061 times that of Jupiter, or 1.1712 times that of Saturn. It takes 1353.6 days or 3.7059 years to revolve around the star in ab... | termed a “hot Neptune”. The outer planet HD 47186 c orbits in a similar distance from the star as the asteroid Vesta, at around 2.4 AU. The inner planet orbits in a circular path while the outer planet orbits in an eccentric path.
See also.
- HD 181433
- HD 40307
- MOA-2007-BLG-192L | 11,542 | zeroshot-train |
HD 83944 [SEP] constellation | HD 83944
HD 83944, also called m Carinae (m Car), is a star in the constellation Carina.
m Carinae is a blue-white B-type subgiant with an apparent magnitude of +4.51. It is approximately 224 light years from Earth. | Battery D was reinforced to its authorized wartime strength.
Detachments from Btry A formed Btry 80-X in December 1941; a second detachment helped form the 804th CA (HD) Btry (Sep). Btry F at Sand Is. was designated the 807th CA (HD) Btry (Sep), while a second detachment helped organize the 715th CA (HD) Btry (Sep) 10-... | 11,543 | zeroshot-train |
HR 3803 [SEP] constellation | HR 3803
HR 3803 or N Velorum (N Vel) is a 3rd-magnitude star on the border between the southern constellations Carina and Vela. Based upon parallax measurements, it is approximately from Earth. It is an orange-hued K-type giant star and has twice the mass of the Sun. The measured angular diameter of this star, after co... | N Velorum
The Bayer designations n Velorum and N Velorum are distinct. Due to , both designations link here. For the star
- n Velorum, see HD 74272 (HR 3452)
- N Velorum, see HD 82668 (HR 3803) | 11,544 | zeroshot-train |
HR 8768 [SEP] constellation | HR 8768
HR 8768, also known as LN Andromedae, is a formerly suspected variable star in the constellation Andromeda. Located approximately away from Earth, it shines with an apparent visual magnitude 6.41, thus it can be seen by the naked eye under very favourable conditions. Its spectral classification is B2V, meaning ... | with an apparent magnitude of 9.88, from HR 8768. The separation has decreased from when it was discovered as a double in 1828. The two stars share the same Hipparcos identifier HIP 113802, and have very similar parallaxes and proper motions.
Variability.
In 1979, the blue magnitude of HR 8768 was reported to vary by a... | 11,545 | zeroshot-train |
Henize 2-10 [SEP] constellation | Hen 2-10
Hen 2-10, also known as He 2-10 and Henize 2-10, is a dwarf starburst galaxy located 34 million light years away in the constellation of Pyxis. The galaxy is believed to be an early stage starburst galaxy. A black hole was later discovered near the center of the dwarf galaxy, suggesting that the black holes fo... | the mass of the entire dwarf galaxy at about .
History.
Henize 2-10 draws its name from a catalog of planetary nebulae assembled by astronomer Karl Henize. Henize additionally noted that the object was identified in an unpublished paper by Rudolph Minkowski. The object was likely misidentified as a planetary nebula due... | 11,546 | zeroshot-train |
K Centauri [SEP] constellation | K Centauri
K Centauri (K Cen) is a star in the constellation Centaurus. It is a white A-type main sequence dwarf with an apparent magnitude of +5.04 and is approximately 510 light years from Earth. | Sangad Chaloryu
Admiral Sangad Chaloryu (; ; 4 March 1915 – 23 November 1980) was a Thai admiral and politician who served as head of the National Administrative Reform Council (NARC), a military junta that ruled Thailand from 1976-1980.
Sangad was considered to be a right-wing hawk and close to the CIA. In the 1930s a... | 11,547 | zeroshot-train |
LHS 292 [SEP] constellation | LHS 292
LHS 292 is a red dwarf in the constellation Sextans. It is far too faint to be seen with the unaided eye and requires a large amateur telescope to be seen visually. It lies relatively close to the Sun at a distance of about 14.8 light years. It is a flare star, which means it can suddenly increase in brightness... | LHS 6343
LHS 6343 is a star system in the northern constellation of Lyra. It appears exceedingly faint with a combined apparent magnitude of 13.435. Based on its stellar properties, the system is thought to be about 119.4 light-years (36.6 parsecs) away.
LHS 6343 is a binary star with two red dwarfs, designated LHS 634... | 11,548 | zeroshot-train |
Luyten's Star [SEP] constellation | Luyten's Star
Luyten's Star (GJ 273) is a red dwarf in the constellation Canis Minor located at a distance of approximately from the Sun. It has a visual magnitude of 9.9, making it too faint to be viewed with the unaided eye. It is named after Willem Jacob Luyten, who, in collaboration with Edwin G. Ebbighausen, first... | LP 816-60
LP 816-60 is a red dwarf star of spectral type M4, located in constellation Capricornus at 18.6 light-years from Earth.
History of observations.
The discovery name of this star is LP 816-60, which indicates that its discovery was published between 1963 and 1981 in University of Minnesota, Minneapolis.
LP 816-... | 11,549 | zeroshot-train |
Messier 81 [SEP] constellation | Messier 81
Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away, with a diameter of 90,000 light years, about half the size of the Milky Way, in the constellation Ursa Major. Due to its proximity to Earth, large size, and active galactic nucleus (which harbors a 70 m... | NGC 4236
NGC 4236 (also known as Caldwell 3) is a barred spiral galaxy located in the constellation Draco.
The galaxy is a member of the M81 Group, a group of galaxies located at a distance of approximately 11.7 Mly (3.6 Mpc) from Earth. The group also contains the spiral galaxy Messier 81 and the starburst galaxy Mess... | 11,550 | zeroshot-train |
Messier 87 [SEP] constellation | Messier 87
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo. One of the most massive galaxies in the observable universe, it has a large population of globular clusters—about 12,000 compared with the 150–200 orbiting the Milky Way—... | ) within its borders 5° to 12° west of ε Vir (Vindemiatrix), this constellation is especially rich in galaxies.
Some examples are Messier 49 (elliptical), Messier 58 (spiral), Messier 59 (elliptical), Messier 60 (elliptical), Messier 61 (spiral), Messier 84 (lenticular), Messier 86 (lenticular), Messier 87 (elliptical ... | 11,551 | zeroshot-train |
Mu Ophiuchi [SEP] constellation | Mu Ophiuchi
Mu Ophiuchi (μ Oph) is a class B8II-III (blue giant) star in the constellation Ophiuchus. Its apparent magnitude is 4.62 and it is approximately 760 light years away based on parallax.
In 2006, a new nearby star cluster, Mamajek 2 (), was discovered associated with Mu Ophiuchi. | - Kruger 60
- Lacaille 9352
- Lalande 21185
- Lalande 46650
- Lambda Scorpii
- Lambda Serpentis
- Luyten 726-8
- Luyten's Star
- Maia
- Mintaka
- Mira
- Mizar and Alcor
- Mu Capricorni
- Mu Cassiopeiae
- Mu Herculis
- Nu Ophiuchi
- Omicron Persei
- p Eridani
- Phi Ophiuchi
- Phi Orionis
- Polaris
- Pollux
- Procyon
- P... | 11,552 | zeroshot-train |
NGC 1360 [SEP] constellation | NGC 1360
NGC 1360, also known as the Robin's Egg Nebula, is a planetary nebula in the constellation of Fornax. It was identified as a planetary nebula due to its strong radiation in the OIII (oxygen) bands. Reddish matter, believed to have been ejected from the original star before its final collapse, is visible in ima... | NGC 48
The New General Catalogue object NGC 48 is a barred spiral galaxy located approximately 79.3 million light-years from the Solar System in the constellation Andromeda.
See also.
- Spiral galaxy
- List of NGC objects (1–1000)
- Andromeda (constellation)
External links.
- http://spider.seds.org/ngc/ngc.cgi?48
- htt... | 11,553 | zeroshot-train |
NGC 288 [SEP] constellation | NGC 288
NGC 288 is a globular cluster in the constellation Sculptor. Its visual appearance was described by John Dreyer in 1888. It is located about 1.8° southeast of the galaxy NGC 253, 37′ north-northeast of the South Galactic Pole, 15′ south-southeast of a 9th magnitude star, and encompassed by a half-circular chain... | NGC 496
NGC 496, also occasionally referred to as PGC 5037, UGC 927 or GC 288, is a spiral galaxy in the constellation Pisces. It located approximately 250 million light-years from the Solar System and was discovered on 12 September, 1784 by astronomer William Herschel.
Observation history.
The object was discovered by... | 11,554 | zeroshot-train |
NGC 2899 [SEP] constellation | NGC 2899
NGC 2899 is a planetary nebula in the constellation Vela at a distance of nearly 6500 light years which lies in a moderate rich star zone. It was discovered by John Herschel in 1835.
External Links and Images.
- http://www.airglow.de/html/nebulae/ngc2899.html
- http://www.blackskies.org/nsp12.htm
- http://dg-i... | NGC 48
The New General Catalogue object NGC 48 is a barred spiral galaxy located approximately 79.3 million light-years from the Solar System in the constellation Andromeda.
See also.
- Spiral galaxy
- List of NGC objects (1–1000)
- Andromeda (constellation)
External links.
- http://spider.seds.org/ngc/ngc.cgi?48
- htt... | 11,555 | zeroshot-train |
NGC 305 [SEP] constellation | NGC 305
NGC 305 is an asterism in the constellation Pisces, discovered on October 17, 1825 by the British astronomer John Herschel.
It is uncertain if the stars are related to one another, but the brightest member, TYC 608-677-2, is a G3V main-sequence star 1330 ± 400 light years away, with a proper motion of 13.8 ± 2.... | NGC 48
The New General Catalogue object NGC 48 is a barred spiral galaxy located approximately 79.3 million light-years from the Solar System in the constellation Andromeda.
See also.
- Spiral galaxy
- List of NGC objects (1–1000)
- Andromeda (constellation)
External links.
- http://spider.seds.org/ngc/ngc.cgi?48
- htt... | 11,556 | zeroshot-train |
NGC 3169 [SEP] constellation | NGC 3169
NGC 3169 is a spiral galaxy about 75 million light years away in the constellation Sextans. It has the morphological classification SA(s)a pec, which indicates this is a pure, unbarred spiral galaxy with tightly-wound arms and peculiar features. There is an asymmetrical spiral arm and an extended halo around t... | group within the larger Leo 1 group. The three are embedded within an extended ring of neutral hydrogen that is centered on NGC 3169.
External links.
- APOD: NGC 3169 and NGC 3166 (02/28/2004)
- ADS: Supernova 2003cg in NGC 3169
- SEDS: NGC3169 | 11,557 | zeroshot-train |
NGC 3603 [SEP] constellation | NGC 3603
NGC 3603 is a nebula situated in the Carina spiral arm of the Milky Way around 20,000 light-years away from the Solar System. It is a massive HII region containing a very compact open cluster (probably a super star cluster) HD 97950.
Observations.
NGC 3603 was observed by John Herschel on the 14th of March 183... | area are usually numbered as members of NGC 3603. The cluster itself is still called the HD 97950 cluster as well as the NGC 3603 young cluster (NGC 3603YC). There are no other notable groupings of stars in NGC 3603 and the HD 97950 cluster is often loosely referred to as simply NGC 3603.
Members.
The main components a... | 11,558 | zeroshot-train |
NGC 383 [SEP] constellation | NGC 383
NGC 383 is a double radio galaxy with a quasar-like appearance located in the constellation Pisces. It is listed in Halton C. Arp's 1966 "The Arp Atlas of Peculiar Galaxies." Recent discoveries by the National Radio Astronomy Observatory in 2006 reveal that NGC 383 is being bisected by high energy relativistic ... | of NGC 383. The relativistic electron jets detected as synchrotron radiation extend for several thousand parsecs and then appear to dissipate at the ends in the form of streamers or filaments.
There are four other nearby galaxies NGC 379, NGC 380, NGC 385, and NGC 384 which are suspected of being closely associated wit... | 11,559 | zeroshot-train |
NGC 4309 [SEP] constellation | NGC 4309
NGC 4309 is a lenticular galaxy that is located in the constellation Virgo. | NGC 48
The New General Catalogue object NGC 48 is a barred spiral galaxy located approximately 79.3 million light-years from the Solar System in the constellation Andromeda.
See also.
- Spiral galaxy
- List of NGC objects (1–1000)
- Andromeda (constellation)
External links.
- http://spider.seds.org/ngc/ngc.cgi?48
- htt... | 11,560 | zeroshot-train |
NGC 4666 [SEP] constellation | NGC 4666
NGC 4666 is a spiral galaxy in the constellation Virgo. It is noteworthy for its vigorous star formation, which creates an unusual “superwind” of out-flowing gas. This wind is not visible at optical wavelengths, but is prominent in X-rays, and has been observed by the ESA XMM-Newton space telescope.
A Type Ia ... | : NGC 4666
- The Superwind Galaxy NGC 4666, ESO Press Release. | 11,561 | zeroshot-train |
NGC 4980 [SEP] constellation | NGC 4980
NGC 4980 is a spiral galaxy in the southern constellation of Hydra. The shape of NGC 4980 appears slightly deformed, something which is often a sign of recent tidal interactions with another galaxy. In this galaxy's case, however, this appears not to be the case as there are no other galaxies in its immediate ... | oral premalignancies. "Int J Cancer." 2002 Sep 20;101(3):205-9. Review.
- Sudbø J. [Adverse effects of COX-2 inhibitors]. "Tidsskr Nor Laegeforen." 2002 Jan 10;122(1):102-3.
- Sudbø J. [DNA ploidy analysis—a possibility for early identification of patient with risk of oral cancer]. "Lakartidningen." 2001 Nov 7;98(45):4... | 11,562 | zeroshot-train |
NGC 5613 [SEP] constellation | NGC 5613
NGC 5613 is a lenticular galaxy (type S0a) in the constellation Boötes. It is part of the Arp 178 set of interacting galaxies, with NGC 5615 and NGC 5614.
External links.
- Image NGC 5613
- http://seds.org/
- SIMBAD data | NGC 48
The New General Catalogue object NGC 48 is a barred spiral galaxy located approximately 79.3 million light-years from the Solar System in the constellation Andromeda.
See also.
- Spiral galaxy
- List of NGC objects (1–1000)
- Andromeda (constellation)
External links.
- http://spider.seds.org/ngc/ngc.cgi?48
- htt... | 11,563 | zeroshot-train |
NGC 5890 [SEP] constellation | NGC 5890
NGC 5890 is an unbarred lenticular galaxy in the constellation Libra. It was discovered in April 1785 by Ormond Stone.
See also.
- Unbarred lenticular galaxy
- List of NGC objects (5001–6000)
- Libra (constellation)
External links.
- SEDS
- SIMBAD
- NED | NGC 48
The New General Catalogue object NGC 48 is a barred spiral galaxy located approximately 79.3 million light-years from the Solar System in the constellation Andromeda.
See also.
- Spiral galaxy
- List of NGC objects (1–1000)
- Andromeda (constellation)
External links.
- http://spider.seds.org/ngc/ngc.cgi?48
- htt... | 11,564 | zeroshot-train |
NGC 6388 [SEP] constellation | NGC 6388
NGC 6388 is a globular cluster located in the constellation Scorpius. The cluster was discovered by Scottish astronomer James Dunlop on May 13, 1826 using a reflector telescope. Due to its moderate apparent magnitude (+6.72), a telescope is required to see it. | ΛCDM cosmology predicts that large galaxies such as the Milky Way formed by accretion of hundreds of smaller “protogalactic fragments”, perhaps not unlike the progenitors of the present-day dwarf spheroidal satellites (e.g., Abadi et al., 2003)
Two very massive globular clusters in the Galactic bulge, NGC 6388 and NGC... | 11,565 | zeroshot-train |
NGC 68 [SEP] constellation | NGC 68
NGC 68 is a lenticular galaxy, and the central member of the NGC 68 group, in the constellation Andromeda. The galaxy was discovered on September 11, 1784, by William Herschel, who observed the NGC 68 group as a single object and described it as "extremely faint, large, 3 or 4 stars plus nebulosity". As such, hi... | NGC 5371
NGC 5371 is a face-on spiral galaxy in the constellation Canes Venatici. NGC 5371 (which also seems to be known as NGC 5390) is a symmetrical face-on Sbc barred spiral galaxy at a distance of 100 million light years. This galaxy with Hickson Galaxy Group 68 makes up the Big Lick Galaxy Group. | 11,566 | zeroshot-train |
NGC 7318 [SEP] constellation | NGC 7318
NGC 7318 (also known as UGC 12099/UGC 12100 or HCG 92d/b) are a pair of colliding galaxies about 300 million light-years from Earth. They appear in the Constellation Pegasus and are members of the Stephan's Quintet.
The Spitzer Space Telescope revealed the presence of a huge intergalactic shock wave, shown by ... | merger history tree approach.
Examples.
Some of the galaxies that are in the process of merging or are believed to have formed by merging are:
- Antennae Galaxies
- Mice Galaxies
- Centaurus A
- NGC 7318
See also.
- Andromeda–Milky Way collision
- Bulge (astronomy)
- Galaxy formation and evolution
- Interacting galaxy
... | 11,567 | zeroshot-train |
NGC 84 [SEP] constellation | NGC 84
NGC 84 (PGC 3325897) is a star in the constellation of Andromeda. Usually mistaken with PGC 1384, it was recorded on November 14, 1884 by Guillaume Bigourdan. NGC 84 is displayed as PGC 1384 in Wikisky. | NGC 6975
NGC 6975, also known as NGC 6976, is a spiral galaxy in the constellation Aquarius. The object was discovered on 12 July 1864 by the German astronomer Albert Marth.
NGC 6975 is part of Hickson Compact Group 88, along with NGC 6977, NGC 6978, and MCG-01-53-014. The group is at a distance of about 273 million li... | 11,568 | zeroshot-train |
NGC 9 [SEP] constellation | NGC 9
NGC 9 is a spiral galaxy about 140 million light years away in the Pegasus constellation. It was discovered on 27 September 1865 by Otto Wilhelm von Struve. | NGC 1426
NGC 1426 is a elliptical galaxy approximately 59 million light-years away from Earth in the constellation of Eridanus. It was discovered by William Herschel in December 9, 1784.
NGC 1426 is a member of the Eridanus Cluster.
See also.
- Elliptical galaxy
- List of NGC objects (1001–2000)
- Eridanus (constellat... | 11,569 | zeroshot-train |
OGLE-TR-211b [SEP] constellation | OGLE-TR-211b
OGLE-TR-211b is a transiting planet in Carina constellation. Its radius is about 36% more than Jupiter and has mass 3% more than Jupiter, which is considered an “inflated Hot Jupiter”. The planet takes 3.7 days at about the same distance as 51 Pegasi b orbits around 51 Pegasi.
See also.
- OGLE-TR-182b
- Op... | OGLE-TR-10
OGLE-TR-10 is a distant, magnitude 16 star in the constellation of Sagittarius. It is located near the Galactic Center.
This star is listed as an eclipsing type variable star with the eclipse due to the passage of the planet as noted in the discovery papers.
Planetary system.
This star is home to OGLE-TR-10... | 11,570 | zeroshot-train |
Omicron Serpentis [SEP] constellation | Omicron Serpentis
Omicron Serpentis (ο Ser, ο Serpentis) is a solitary star in the Serpens Cauda (tail) section of the equatorial constellation Serpens. Based upon an annual parallax shift of 18.83 mas as seen from Earth, it is located around 173 light years from the Sun. The star is visible to the naked eye with a bas... | , consisting of Theta Serpentis, Delta Herculis, Lambda Herculis, Mu Herculis, Omicron Herculis, 112 Herculis, Zeta Aquilae, Eta Serpentis, Nu Ophiuchi, Xi Serpentis and Eta Ophiuchi. Consequently, the Chinese name for Theta Serpentis itself is (, ), representing the state Xu (徐).
Properties.
Both Theta¹ Serpentis and ... | 11,571 | zeroshot-train |
Pi Serpentis [SEP] constellation | Pi Serpentis
Pi Serpentis, Latinized from π Serpentis, is a solitary white-hued star in the constellation Serpens, located in its head, Serpens Caput. Based upon an annual parallax shift of 18.22 mas as seen from Earth, it is located around 179 light years from the Sun. It is visible to the naked eye with an apparent v... | Dunstan. Playford negotiated an out-of-court settlement on condition that Dunstan and his Labor colleagues in the House would not debate the budget item. Labor maverick Samuel Lawn (the member for Adelaide) did not honour the agreement, and tried to raise a public scandal. Playford responded by extending George's term.... | 11,572 | zeroshot-train |
R Coronae Borealis [SEP] constellation | R Coronae Borealis
R Coronae Borealis is a peculiar low-mass yellow supergiant star in the constellation of Corona Borealis. It is the prototype of the rare RCB class of variable stars, which fade by several magnitudes at irregular intervals. R Coronae Borealis itself normally shines at approximately magnitude 6, just ... | V Coronae Australis
V Coronae Australis (V CrA) is a R Coronae Borealis variable star in the constellation Corona Australis. These are extremely hydrogen-deficient supergiants thought to have arisen as the result of the merger of two white dwarfs; fewer than 100 have been discovered as of 2012. V Coronae Australis dimm... | 11,573 | zeroshot-train |
R Scuti [SEP] constellation | R Scuti
R Scuti ("R Sct") is a star in the constellation of Scutum. It is a yellow supergiant and is a pulsating variable known as an RV Tauri variable. It was discovered in 1795 by Edward Pigott at a time when only a few variable stars were known to exist.
Observation.
R Sct is the brightest of the RV Tau-type stars a... | QED and co-author of the Go programming language
- Michael TiemannG++, GCC
- Linus Torvaldsoriginal author and current maintainer of Linux kernel and creator of Git, a source code management system
- Andrew TridgellSamba, Rsync
- Roy TrubshawMUDtogether with Richard Bartle, creator of MUDs
- Bob Truelco-founder of DMOZ... | 11,574 | zeroshot-train |
RR Coronae Borealis [SEP] constellation | RR Coronae Borealis
RR Coronae Borealis (RR CrB, HD 140297, HIP 76844) is a M3-type semiregular variable star located in the constellation Corona Borealis with a parallax of 2.93mas being a distance of . It varies between magnitudes 7.3 and 8.2 over 60.8 days. Located around 1228 light-years distant, it shines with a l... | and environmental industries. It is used to reduce contaminant levels in groundwater. Magnesium peroxide is used in the bioremediation of contaminated soil and can improve the soil quality for plant growth and metabolism. It also used in the aquaculture industry for bioremediation.
For sanitation purposes magnesium per... | 11,575 | zeroshot-train |
Red Spider Nebula [SEP] constellation | Red Spider Nebula
The Red Spider Nebula (also catalogued as "NGC 6537") is a planetary nebula located near the heart of the Milky Way, in the northwest of the constellation Sagittarius. The nebula has a prominent two-lobed shape, possibly due to a binary companion or magnetic fields and has an ‘S’-shaped symmetry of th... | March 2013.
Features Deep-sky objects.
Of the deep-sky objects of interest in Vela is a planetary nebula known as the NGC 3132, nicknamed the 'Eight-Burst Nebula' or 'Southern Ring Nebula' (see accompanying photo). It lies on the border of the constellation with Antlia. NGC 2899 is an unusual red-hued example. This con... | 11,576 | zeroshot-train |
Rho Capricorni [SEP] constellation | Rho Capricorni
Rho Capricorni (ρ Cap, ρ Capricorni) is a binary star in the constellation Capricornus. Sometimes, this star is called by the name Bos, meaning "the cow" in Latin. In Chinese, (), meaning "Ox (asterism)", refers to an asterism consisting of β Capricorni, α Capricorni, ξ Capricorni, π Capricorni, ο Capric... | "Ox (asterism)", refers to an asterism consisting of α² Capricorni, Beta Capricorni, ξ² Capricorni, Pi Capricorni, Omicron Capricorni and Rho Capricorni. Consequently, α² Capricorni itself is known as (, .)
External links.
- /ref | 11,577 | zeroshot-train |
Rho Persei [SEP] constellation | Rho Persei
Rho Persei (Rho Per, ρ Persei, ρ Per) is a star in the northern constellation of Perseus. It has the traditional name Gorgonea Tertia , being the third member of the quartet called the Gorgonea in reference to the Gorgons from the legend of Perseus. An apparent visual magnitude of +3.39 makes it visible to t... | in the List of IAU-approved Star Names.
In Chinese, (), meaning "Mausoleum", refers to an asterism consisting of Kappa Persei, 9 Persei, Tau Persei, Iota Persei, Beta Persei (Algol), Rho Persei, 16 Persei and 12 Persei. Consequently, the Chinese name for Kappa Persei itself is (, .).
Properties.
At its distance, the vi... | 11,578 | zeroshot-train |
Rho Sagittarii [SEP] constellation | Rho Sagittarii
The Bayer designation Rho Sagittarii (Rho Sgr, ρ Sagittarii, ρ Sgr) is shared by two stars in the constellation Sagittarius.
- ρ Sagittarii
- ρ Sagittarii
The two stars are separated by 0.46° in the sky. Because they are close to the ecliptic, they can be occulted by the Moon and, very rarely, by planets... | Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779–1822". London: RoutledgeCurzon. ; OCLC 65177072 | 11,579 | zeroshot-train |
Ross 128 [SEP] constellation | Ross 128
Ross 128 is a red dwarf in the equatorial zodiac constellation of Virgo, near β Virginis. The apparent magnitude of Ross 128 is 11.13, which is too faint to be seen with the unaided eye. Based upon parallax measurements, the distance of this star from Earth is , making it the twelfth closest stellar system to ... | Wolf 1061c
Wolf 1061c or WL 1061c is an exoplanet orbiting within the habitable zone of the red dwarf star Wolf 1061 in the constellation Ophiuchus, about 13.8 light years from Earth, making it the fifth closest known, potentially habitable, and confirmed exoplanet to Earth (after Proxima Centauri b, Ross 128 b, Luyten... | 11,580 | zeroshot-train |
Upsilon Geminorum [SEP] constellation | Upsilon Geminorum
Upsilon Geminorum, Latinized from υ Geminorum, is a star in the constellation Gemini. It has an apparent visual magnitude of 4.04, which is bright enough to be seen with the naked eye. Based upon an annual parallax shift of 12.04 mas, it is around 270 light years from the Sun. There is a visual compan... | a stellar classification of M0 III. It is estimated to have 1.52 times the mass of the Sun, but has expanded to 44 times the Sun's radius. The star is spinning with a projected rotational velocity of 5.9 km/s and is about 3.53 billion years old. Upsilon Geminorum is radiating 417 times the solar luminosity from its out... | 11,581 | zeroshot-train |
V446 Herculis [SEP] constellation | V446 Herculis
V446 Herculis was a nova in the constellation Hercules in 1960. It reached magnitude 2.8.
The nova was first observed by Olaf Hassel, on 7 March 1960.
External links.
- Report (not in English) | Olaf Hassel
Olaf Hassel (12 May 1898 – 22 August 1972) was a Norwegian amateur astronomer. He was born in Øvre Sandsvær. He is known for his discoveries of the comet Jurlov-Achmarof-Hassel in April 1939 and the nova V446 Herculis on 7 March 1960. Hassel was born deaf.
External links.
- "Comet Discovered by Amateur Astr... | 11,582 | zeroshot-train |
WASP-10 [SEP] constellation | WASP-10
WASP-10 is a star in the constellation Pegasus. The SuperWASP project has observed and classified this star as a variable star, perhaps due to the eclipsing planet.
Planetary system.
Planetary system WASP-10b.
WASP-10b is an extrasolar planet discovered in 2008.
Planetary system WASP-10c.
WASP-10c is an as yet ... | WASP-11/HAT-P-10
WASP-11/HAT-P-10 is a binary star consisting a magnitude-12 main-sequence orange dwarf star and M-dwarf with separation of 42 AU. The system is located about 440 light years away in the constellation Aries.
Planetary system.
A semi-Jovian planet, WASP-11b/HAT-P-10b (WASP-11 A b/HAT-P-10 A b), has been ... | 11,583 | zeroshot-train |
WISE 1405+5534 [SEP] constellation | WISE 1405+5534
WISE 1405+5534 (full designation WISEPC J140518.40+553421.4) is a brown dwarf of spectral class Y0 (pec?), located in constellation Ursa Major at approximately 25.3 light-years from Earth. It is one of the Sun's nearest neighbors.
Discovery.
WISE 1405+5534 was discovered in 2011 from data collected by th... | arcsec, corresponding to a distance 7.8 pc, or 25.3 ly.
WISE 1405+5534 distance estimates
Space motion.
WISE 1405+5534 has a large proper motion of about 2281 milliarcseconds per year.
WISE 1405+5534 proper motion estimates
Spectral class and temperature.
The object's temperature estimate is 350 K (about 77 °C / 170 °F... | 11,584 | zeroshot-train |
WISE 1506+7027 [SEP] constellation | WISE 1506+7027
WISEPC J150649.97+702736.0 (designation abbreviated to WISE 1506+7027, or WISE J1506+7027) is a brown dwarf star of spectral class T6, located in constellation Ursa Minor. It is one of the Sun's nearest neighbors, at a distance of light-years. Brown dwarfs closer to the Sun include Luhman 16 and WISE 085... | WISE 1541−2250
WISE 1541−2250 (full designation WISEPA J154151.66−225025.2) is a sub-brown or brown dwarf of spectral class Y0.5, located in the constellation Libra at approximately 18.6 light-years from Earth. This object received popular attention when its discovery was announced in 2011 at a distance estimated to be... | 11,585 | zeroshot-train |
WISEPA J173835.53+273258.9 [SEP] constellation | WISEPA J173835.53+273258.9
WISE 1738+2732 (full designation WISEPA J173835.53+273258.9) is a brown dwarf of spectral class Y0, located in constellation Hercules at 25.5 light-years from Earth.
History of observations.
History of observations Discovery.
WISE 1738+2732 was discovered in 2011 from data, collected by Wide-... | WISEPA J041022.71+150248.5
WISE 0410+1502 (full designation WISEPA J041022.71+150248.5) is a brown dwarf of spectral class Y0, located in constellation Taurus. Being approximately 20.4 light-years from Earth, it is one of the Sun's nearest neighbors, especially assuming outdated parallax by Marsh "et al.", correspondin... | 11,586 | zeroshot-train |
Xi Aquarii [SEP] constellation | Xi Aquarii
Xi Aquarii (ξ Aquarii, abbreviated Xi Aqr, ξ Aqr) is a binary star system in the equatorial constellation of Aquarius. It is visible to the naked eye with an apparent visual magnitude of 4.7. Based upon parallax measurements made during the Hipparcos mission, this system lies at a distance of around from the... | (), "the Luck of Lucks".
In Chinese, (), meaning "Celestial Ramparts", refers to an asterism consisting of Xi Aquarii, 46 Capricorni, 47 Capricorni, Lambda Capricorni, 50 Capricorni, 18 Aquarii, 29 Capricorni, 9 Aquarii, 8 Aquarii, Nu Aquarii, 14 Aquarii, 17 Aquarii and 19 Aquarii. Consequently, the Chinese name for Xi... | 11,587 | zeroshot-train |
29 Arietis [SEP] constellation | 29 Arietis
29 Arietis is a triple star system in the northern constellation of Aries. "29 Arietis" is the Flamsteed designation. It has an annual parallax shift of , which corresponds to a physical distance of approximately from Earth. The system is just barely visible to the naked eye with an apparent visual magnitude... | needles. A 2012 review found "the potential beneficial action of acupuncture on osteoarthritis pain does not appear to be clinically relevant." A 2010 Cochrane review found that acupuncture shows statistically significant benefit over sham acupuncture in the treatment of peripheral joint osteoarthritis; however, these ... | 11,588 | zeroshot-train |
2M1207b [SEP] constellation | 2M1207b
2M1207b is a planetary-mass object orbiting the brown dwarf 2M1207, in the constellation Centaurus, approximately 170 light-years from Earth. It is one of the first candidate exoplanets to be directly observed (by infrared imaging). It was discovered in April 2004 by the Very Large Telescope (VLT) at the Parana... | GQ Lupi
GQ Lupi is a T Tauri variable star approximately 495 light-years away in the constellation of Lupus. The star is young and has about 70% of the Sun's mass.
Possible planetary system.
In 2005, Ralph Neuhäuser and his colleagues reported a substellar object, GQ Lupi b, orbiting the star. Along with 2M1207b, this ... | 11,589 | zeroshot-train |
41 Lyncis b [SEP] constellation | 41 Lyncis b
41 Lyncis b (abbreviated 41 Lyn b), also designated HD 81688 b and named Arkas , is an extrasolar planet approximately 280 light years from Earth in the constellation of Ursa Major.
A gas giant with a minimum mass 2.7 times that of Jupiter it orbits the K-type star 41 Lyncis with an orbital period of 184 da... | the Milky Way with an eccentricity of 0.21. This will take it as close to the Galactic Center as and as far as . The inclination of this orbit will carry it as much as away from the galactic plane. For this reason, it is uncertain whether this star is a member of the thin disk population.
Nomenclature.
41 Lyncis is the... | 11,590 | zeroshot-train |
47 Ursae Majoris c [SEP] constellation | 47 Ursae Majoris c
47 Ursae Majoris c (abbreviated 47 UMa c), formally named Taphao Kaew , is an extrasolar planet approximately 46 light-years from Earth in the constellation of Ursa Major. The planet was discovered located in a long-period around the star 47 Ursae Majoris. Its orbit lasts 6.55 years and the planet ha... | Ursae Majoris (Tania Borealis and Australis); and the "third leap", comprising ι and κ Ursae Majoris, (Talitha Borealis and Australis respectively).
W Ursae Majoris is the prototype of a class of contact binary variable stars, and ranges between 7.75 and 8.48.
47 Ursae Majoris is a Sun-like star with a three-planet sys... | 11,591 | zeroshot-train |
61 Virginis c [SEP] constellation | 61 Virginis c
61 Virginis c (abbreviated 61 Vir c) is an exoplanet orbiting the 5th apparent-magnitude G-type main-sequence star 61 Virginis in the constellation Virgo. 61 Virginis c has a minimum mass of 18.2 times that of Earth and orbits one-fifth the distance to the star as Earth orbits the Sun, at a precise distan... | Education Program. The secondary section prepares students for local examinations in the Tamil medium and English medium. The Further Education Program (FEP) aspires to strengthen students through skills development such as accounting, music, English and IT. The Eliza Agnew Business Processing Outsourcing Centre trains... | 11,592 | zeroshot-train |
70 Virginis [SEP] constellation | 70 Virginis
70 Virginis (abbreviated 70 Vir) is the Flamsteed designation of a yellow dwarf star approximately 59 light-years away in the constellation Virgo. It is rather unusually bright for its spectral type and may be just starting to evolve into the subgiant phase.
In 1996, 70 Virginis was discovered to have an ex... | 101 Virginis
101 Virginis is a red giant variable star in the Boötes constellation, currently on the asymptotic giant branch. It was originally catalogued as 101 Virginis by Flamsteed due to an error in the position. When it was confirmed as a variable star, it was actually within the border of the constellation Bootes... | 11,593 | zeroshot-train |
82 G. Eridani [SEP] constellation | 82 G. Eridani
82 G. Eridani (HD 20794, HR 1008, e Eridani) is a star about 20 light years away from Earth in the constellation Eridanus. It is a main-sequence star with a stellar classification of G6.
Observation.
In the southern-sky catalog "Uranometria Argentina", 82 G. Eridani (sometimes abbreviated to "82 Eridani")... | some weak evidence confirming 82 G. Eridani c.
Habitability.
In his 1970 book "Habitable Planets for Man", Stephen Dole gave 82 G. Eridani his highest estimate for habitability: 5.7%. Four other stars had this figure: Alpha Centauri B, 70 Ophiuchi A, Eta Cassiopeiae A, and Delta Pavonis. 82 G. Eridani (GJ 139) was als... | 11,594 | zeroshot-train |
9 Ceti [SEP] constellation | 9 Ceti
9 Ceti is the Flamsteed designation for a star in the equatorial constellation of Cetus. It has an apparent visual magnitude of 6.39, which is below the limit that can be seen with the naked eye by a typical observer. (According to the Bortle scale, it is possible for some observers to see it from dark rural ski... | Borrelly's Star is probably S Ceti (0h 23.8m / -9° 28'). Source: Deep-Sky Name Index 2000.0, Hugh C. Maddocks (Foxon-Maddocks Associates).
- Boyajian's Star (or Tabby's Star) is KIC 8462852, an F-type main-sequence star with a highly unusual light curve in the constellation of Cygnus, named after Tabetha S. Boyajian; i... | 11,595 | zeroshot-train |
99 Herculis [SEP] constellation | 99 Herculis
99 Herculis is the Flamsteed designation for a binary star system in the northern constellation of Hercules. It has the Bayer designation b Herculis, while "99 Herculis" is the Flamsteed designation. This system has an apparent visual magnitude of 5.1, which, according to the Bortle scale, makes it faintly ... | ". The traditional name "Rukbalgethi Genubi" that is encountered in various texts is etymologically similar to the stars Ruchbah and Zubenelgenubi, the term "ruchbah" meaning "knee" while "genubi" signifies "southern"—hence the "southern knee", a meaning which can be gleaned more easily by looking at the accompanying c... | 11,596 | zeroshot-train |
Abell 39 [SEP] constellation | Abell 39
Abell 39 is a low surface brightness planetary nebula in the constellation of Hercules. It is the 39th entry in George Abell's 1966 Abell Catalog of Planetary Nebulae (and 27th in his 1955 catalog) of 86 old planetary nebulae which either Abell or Albert George Wilson discovered before August 1955 as part of t... | Abell 2061
Abell 2061 is a galaxy cluster in the constellation of Corona Borealis. On a larger scale still, Abell 2061, along with Abell 2065, Abell 2067, Abell 2079, Abell 2089, and Abell 2092, make up the Corona Borealis Supercluster. It has a northeast southwest orientation and Abell 2067 lies 1.8 megaparsecs north ... | 11,597 | zeroshot-train |
Abell 70 [SEP] constellation | Abell 70
Abell 70 is a planetary nebula located 13,500-17,500 light years away in the constellation of Aquila. It is approaching the earth at 79 kilometers per second and expanding 38 kilometers per second. There is a galaxy named PMN J2033-0656 behind Abell 70, giving it a diamond ring effect.
Composition.
The faint O... | Leo Cluster
The Leo Cluster (Abell 1367) is a galaxy cluster about 330 million light-years distant (z = 0.022) in the constellation Leo, with at least 70 major galaxies. The galaxy known as NGC 3842 is the brightest member of this cluster. Along with the Coma Cluster, it is one of the two major clusters comprising the ... | 11,598 | zeroshot-train |
Alpha Sextantis [SEP] constellation | Alpha Sextantis
Alpha Sextantis (α Sex, α Sextantis) is the brightest star in the equatorial constellation of Sextans. It is visible to the naked eye on a dark night with an apparent visual magnitude of 4.49. The distance to this star, as determined from parallax measurements, is around 280 light years. This is conside... | V1315 Aquilae
V1315 Aquilae is a cataclysmic variable star located in the constellation of Aquila. It is a type of cataclysmic variable known as a nova-like variable (NL), specifically a SW Sextantis star. Nova-like variables such as these SW Sextantis stars are characterized as having non-magnetic white dwarfs and do ... | 11,599 | zeroshot-train |
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