query stringlengths 16 148 | pos stringlengths 16 855 | neg stringlengths 0 2.05k | idx int64 0 132k | task_name stringclasses 1
value |
|---|---|---|---|---|
HD 33636 [SEP] constellation | HD 33636
HD 33636 is a binary system located approximately 94 light-years away in Orion constellation. The visible member HD 33636 A is a 7th magnitude yellow main-sequence star. It is located at a distance of 91.6 light years from Earth. It has a metallicity of −0.05 ± 0.07.
A companion was discovered in 2002 with a m... | °, although in most cases the inclination is not known. Consequently, most exoplanets found by radial velocity have true masses no more than 40% greater than their minimum masses. If the orbit is almost face-on, especially for superjovians detected by radial velocity, then those objects may actually be brown dwarfs or ... | 10,700 | zeroshot-train |
HD 34445 b [SEP] constellation | HD 34445 b
HD 34445 b is an extrasolar planet which orbits the G-type star HD 34445, located approximately 150.5 light years away in the constellation Orion. This planet was discovered in 2004 and finally confirmed in 2009. This planet has a minimum mass two-thirds that of Jupiter and orbits about 2 AU from the parent ... | HD 24496 Ab
HD 24496 Ab, or simply HD 24496 b, (also known as HIP 18267 b) is an extrasolar planet which orbits the G-type star HD 24496 A, located approximately 66.5 light years away in the constellation Taurus. This is a wide-orbiting saturnian planet discovered on November 13, 2009. The orbital distance for this pla... | 10,701 | zeroshot-train |
HD 37605 [SEP] constellation | HD 37605
HD 37605 is an orange dwarf star located approximately 153 light years away in the constellation Orion. It formed about 7 billion years ago and is inactive.
There are two giant planets known in orbit. Planet b was discovered in 2004 and planet c was discovered eight years later. The planets do not transit rela... | HD 37605 b
HD 37605 b is an extrasolar planet that has nearly three times more mass than Jupiter. It orbits close to the star, taking 54 days to revolve around the parent star HD 37605. Its orbit is highly eccentric, around 74%. Distance from HD 37605 ranges from 0.069 to 0.453 astronomical units.
It is the first plane... | 10,702 | zeroshot-train |
HD 38283 b [SEP] constellation | HD 38283 b
HD 38283 b is an extrasolar planet, orbiting the 7th magnitude F-type main-sequence star HD 38283, 123 light years away in the constellation Mensa. It is a Saturn-like planet orbiting at Earth-like distance, though slightly inwards of its star's habitable zone. Its eccentricity is 0.41, much higher than the ... | similar distance from its parent star as Earth. But, given the planet's high eccentricity, and the star being more than twice as luminous as our Sun, hypothetical life on the moons may be a bit unlikely.
HD 38283 b was discovered on 11 April 2011 using the radial velocity technique using the Anglo-Australian Telescope ... | 10,703 | zeroshot-train |
HD 45652 [SEP] constellation | HD 45652
HD 45652 is a G8-K0 star located in the constellation Monoceros. It is approximately 114 light years (35 parsecs) from Earth with apparent magnitude 8.13.
In May 2008, the discovery of an extrasolar planet, HD 45652 b, orbiting the star was announced. The planet was detected by the radial velocity method, usin... | HD 45652 b
HD 45652 b is a gas giant extrasolar planet orbiting at only 0.23 AU from the star HD 45652, with an orbital period of 44 days. It has mass at least half that of Jupiter. As it was detected using the radial velocity method, its true mass is dependent on the inclination of its orbit; if it is low, then the tr... | 10,704 | zeroshot-train |
HD 48099 [SEP] constellation | HD 48099
HD 48099 is a spectroscopic binary in the constellation Monoceros where both components are massive and luminous O stars.
Binary stars offer the opportunity to directly measure the mass of each component, but in the case the orbital inclination is very low and the masses cannot be accurately determined. The st... | 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-... | 10,705 | zeroshot-train |
HD 49976 [SEP] constellation | HD 49976
HD 49976, also known as V592 Monocerotis, is a variable star in the constellation of Monoceros (the Unicorn). It is a chemically peculiar star showing excesses in strontium and the rare earth elements in the photosphere, among others. The magnetic field is complex; not corresponding to a simple dipole. | 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-... | 10,706 | zeroshot-train |
HD 50499 [SEP] constellation | HD 50499
HD 50499 is a yellow dwarf star approximately 154 light-years away in the constellation of constellation of Puppis. It is suspected that the star is hotter, larger, and more massive than the Sun. The magnitude is 7, this star is too faint to be in naked eye visibility. As of 2005, at least one extrasolar plane... | HD 50554 b
HD 50554 b is a Jupiter-sized extrasolar planet with minimum mass 4.4 times that of Jupiter. The planet was announced in 2001 by the European Southern Observatory and confirmed in 2002 using observations from the Lick and Keck telescopes.
See also.
- HD 50499 b | 10,707 | zeroshot-train |
HD 50499 b [SEP] constellation | HD 50499 b
HD 50499 b is an extrasolar planet approximately 154 light-years away in the constellation of Puppis. The planet is suspected to be a gas giant with mass of 1.7 times Jupiter. It is a long period, taking 351 weeks to orbit the star. The planet's eccentric orbit passes through the average distance of 574 Gm.
... | HD 50554 b
HD 50554 b is a Jupiter-sized extrasolar planet with minimum mass 4.4 times that of Jupiter. The planet was announced in 2001 by the European Southern Observatory and confirmed in 2002 using observations from the Lick and Keck telescopes.
See also.
- HD 50499 b | 10,708 | zeroshot-train |
HD 63765 [SEP] constellation | HD 63765
HD 63765 is an 8th-magnitude G-type main sequence star located approximately 106 light years away in the constellation Carina. This star is smaller, cooler, dimmer, and less massive than the Sun. It has a lower iron content than our Sun, with approximately 69% of the Sun's iron-to-hydrogen ratio. In 2009, a ga... | 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-... | 10,709 | zeroshot-train |
HD 68988 [SEP] constellation | HD 68988
HD 68988 is an 8th magnitude G-type star located approximately 178 light-years away in Ursa Major constellation.
Planetary system.
There are two planets: HD 68988 b was discovered in 2002 and HD 68988 c was discovered in 2006.
See also.
- List of extrasolar planets | 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-... | 10,710 | zeroshot-train |
HD 72561 [SEP] constellation | HD 72561
HD 72561 is a star in the constellation Hydra. Its apparent magnitude is 5.867. Based on parallax, it is located about 1,600 light-years (500 parsecs) away.
HD 72561 is a G-type giant star. It is over 4 times as massive as the Sun and 48 times as wide. It is about 150 million years old. | 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-... | 10,711 | zeroshot-train |
HD 75710 [SEP] constellation | HD 75710
HD 75710 is a single star in the constellation of Vela. It has an apparent visual magnitude of approximately 4.94, which is bright enough to be faintly visible to the naked eye. Based upon an annual parallax shift of , it is located about 1,200 light years from the Sun.
The stellar classification of this star ... | s, which is giving the star an oblate shape with an equatorial bulge that is 7% larger than the polar radius. HD 75710 is radiating 914 times the Sun's luminosity from its photosphere at an effective temperature of 8,150 K. | 10,712 | zeroshot-train |
HD 79940 [SEP] constellation | HD 79940
HD 79940 is a star in the constellation Vela. Its apparent magnitude is 4.64.
It has a projected rotational velocity of and an effective temperature of 6,397 K. | K Velorum
The Bayer designations k Velorum and K Velorum are distinct. Due to , both designations link here. For the star
- k Velorum, see HD 79940 (sometimes called k Velorum)
- k Velorum, see HD 79807
- K Velorum, see HD 80456
See also.
- κ Velorum (Kappa Velorum) | 10,713 | zeroshot-train |
HD 83095 [SEP] constellation | HD 83095
HD 83095 is a star in the constellation Carina. It is an orange K-type giant with an apparent magnitude of +5.47 and is approximately 790 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-... | 10,714 | zeroshot-train |
HD 88206 [SEP] constellation | HD 88206
HD 88206 is a star in the constellation Vela.
HD 88206 is a blue-white B-type subgiant with an apparent magnitude of +4.85. It is approximately 1080 light years from Earth. | Q Velorum
The Bayer designations q Velorum and Q Velorum are distinct. Due to , both designations link here. For the star
- q Velorum, see HD 88955
- Q Velorum, see HD 88206 | 10,715 | zeroshot-train |
HD 88836 [SEP] constellation | HD 88836
HD 88836 is a double star in the southern constellation of Antlia. With an apparent magnitude of 6.35, it is faintly visible to the naked eye from dark skies. The brighter component is a giant star with a stellar classification of G8III. It is radiating energy at a luminosity 58 times that of the Sun. The fain... | 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-... | 10,716 | zeroshot-train |
HD 97658 [SEP] constellation | HD 97658
HD 97658 is a star 70 light years away in the constellation of Leo. The star is slightly too dim to be seen with the naked eye, though almost any additional equipment will allow it to be seen. The star itself is a metal-poor early K-dwarf that is somewhat older than the sun.
Planetary system.
On November 1, 20... | . The planet orbits in just under 9.5 days and was originally thought to have a minimum mass of 8.2 ± 1.2 M. Spurred by the possibility of transits, additional data was acquired for less than a year which found a lower mass for the star and hence reduced the minimum mass of the planet to 6.4 ± 0.7 M, and improved certa... | 10,717 | zeroshot-train |
HR 1614 [SEP] constellation | HR 1614
HR 1614 (284 G. Eridani, GJ 183) is a star in the constellation Eridanus. Based upon parallax measurements, it is about distant from the Earth. It is a main sequence star with a stellar classification of K3V. The chromosphere has an effective temperature of about 4,945 K, which gives this star the orange hue ch... | Eta2 Pictoris
η Pictoris, Latinised as Eta Pictoris, is a solitary, orange-hued star in the southern constellation of Pictor. It is visible to the naked eye with an apparent visual magnitude of 5.02. With an annual parallax shift of 7.35 mas as seen from the Earth, it is located around 440 light years from the Sun. It ... | 10,718 | zeroshot-train |
HR 5110 [SEP] constellation | HR 5110
HR 5110, also known as BH Canum Venaticorum, is a binary star system in the northern constellation of Canes Venatici. It is visible to the naked eye with an apparent visual magnitude of 4.91. Based upon an annual parallax shift of , it is located 149 light years away. The system is moving further from the Sun w... | nearly face-on. It may be considered an Algol-type semidetached binary. The hotter primary component has a stellar classification of F2 IV, indicating it is an evolving subgiant star that is leaving the main sequence after consuming the hydrogen at its core.
HR 5110 is classified as a RS Canum Venaticorum variable syst... | 10,719 | zeroshot-train |
IC 2944 [SEP] constellation | IC 2944
IC 2944, also known as the Running Chicken Nebula or the λ Centauri Nebula, is an open cluster with an associated emission nebula found in the constellation Centaurus, near the star λ Centauri. It features Bok globules, which are frequently a site of active star formation. However, no evidence for star formatio... | African astronomer A. David Thackeray in 1950. These globules are now known as Thackeray's Globules. In 2MASS images, 6 stars are visible within the largest globule.
The region of nebulosity visible in modern images includes both IC 2944 and IC 2948, as well as the fainter IC 2872 nearby. IC 2948 is the brightest emiss... | 10,720 | zeroshot-train |
IZ Aquarii [SEP] constellation | IZ Aquarii
IZ Aquarii is a red giant star in the constellation Aquarius. It is a slow irregular variable that varies between magnitudes 6.23 and 6.47. | 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... | 10,721 | zeroshot-train |
Iota Horologii b [SEP] constellation | Iota Horologii b
Iota Horologii b (ι Hor b / ι Horologii b), often catalogued HR 810 b, is an extrasolar planet approximately 56.5 light-years away in the constellation of Horologium (the Pendulum Clock). Iota Horologii b has a minimum mass 1.94 times that of Jupiter, however preliminary astrometric measurements sugges... | from the Sun) to just outside the orbit of the Earth (at 162 million km or 1.08 AU). Because the planet is at least 720 times more massive than the Earth, it is predicted that Iota Horologii b is more similar to planet Jupiter.
Because Iota Horologii is younger than the Sun, the announcement latter retracted of a proto... | 10,722 | zeroshot-train |
Kepler-10b [SEP] constellation | result is too hot to support life as we know it. Its existence was confirmed using measurements from the W.M. Keck Observatory in Hawaii.
Nomenclature and history.
Kepler-10, the star that hosts Kepler-10b, is located 560 light-years from our solar system in the Draco constellation. It is approximately the same size as... | Sun.
Characteristics Host star.
K2-141 is an orange main sequence star about 61 parsecs away in K2 Campaign 12, within the constellation Aquarius. It has a radius of 0.681 and a mass of 0.708 . It has a temperature of 4599 K and is between 1.6 and 12.9 billion years old. For comparison, the Sun has a temperature of 577... | 10,723 | zeroshot-train |
Kepler-11 [SEP] constellation | Kepler-11
Kepler-11 is a Sun-like star slightly larger than the Sun in the constellation Cygnus, located some 2,150 light years from Earth. It is located within the field of vision of the Kepler spacecraft, the satellite that NASA's Kepler Mission uses to detect planets that may be transiting their stars. Announced on ... | HD 10180
HD 10180 is a Sun-like star in the southern constellation Hydrus that is notable for its large planetary system. Since its discovery, at least seven planets, and possibly as many as nine, have been observed orbiting it, making it potentially the largest of all known planetary systems, including the Solar Syste... | 10,724 | zeroshot-train |
Kepler-7 [SEP] constellation | Kepler-7
Kepler-7 is a star located in the constellation Lyra in the field of view of the Kepler Mission, a NASA operation in search of Earth-like planets. It is home to the fourth of the first five planets that Kepler discovered; this planet, a Jupiter-size gas giant named Kepler-7b, is as light as styrofoam. The star... | HAT-P-7
HAT-P-7 is a F-type main sequence star located about 1100 light-years away in the constellation Cygnus. The apparent magnitude of this star is 10.5, which means it is not visible to the naked eye but can be seen with a small telescope on a clear dark night.
Planetary system.
This star has only one known planet,... | 10,725 | zeroshot-train |
LP 944-20 [SEP] constellation | LP 944-20
LP 944-20 is a dim brown dwarf of spectral class M9 located about 21 light-years from the Solar System in the constellation of Fornax. With a visual apparent magnitude of 18, it has one of the dimmest visual magnitudes listed on the RECONS page.
On 15 December 1999 an X-ray flare was detected. On 27 July 2000... | LSR J1835+3259
LSR J1835+3259 is a nearby brown dwarf star of spectral class M8.5, located in constellation Lyra, the discovery of which was published in 2003, and it is the 3rd nearest M-type brown dwarf after DEN 1048-3956 and LP 944-020.
Distance.
Trigonometric parallax of this object, measured in 2001–2002 with the... | 10,726 | zeroshot-train |
Lambda Serpentis [SEP] constellation | Lambda Serpentis
Lambda Serpentis (λ Ser, λ Serpentis) is a star in the constellation Serpens, in its head (Serpens Caput). It has an apparent visual magnitude of 4.43, making it visible to the naked eye. Based upon parallax measurements from the Hipparcos satellite, this star lies at a distance of about from Earth. Th... | His harsh methods provoked a near mutiny in Sichuan and Sima Xiangru was brought in to enforce a more moderate policy. By this time Chinese expansion across flat agricultural country had reached a natural geographical limit. Expansion into the hill country to the south and west was much slower.
Shu in astronomy.
Shu is... | 10,727 | zeroshot-train |
MOA-2009-BLG-387L [SEP] constellation | MOA-2009-BLG-387L
MOA-2009-BLG-387L is a red dwarf in the Sagittarius constellation that is host to the planet MOA-2009-BLG-387Lb. The star is estimated to be nearly 20,000 light years away and approximately one fifth the mass of the Sun, although large confidence intervals exist, reflecting the uncertainties in both t... | and of follow-up observational data led to the planet's discovery, which was reported in February 2011.
Observational history.
On July 24, 2009, the Microlensing Observations in Astrophysics collaboration (MOA) detected the star MOA-2009-BLG-387L eclipsing a background star in a microlensing event that was named MOA-20... | 10,728 | zeroshot-train |
Melnick 42 [SEP] constellation | Melnick 42
Melnick 42 is a massive blue supergiant star in the Tarantula Nebula in the Large Magellanic Cloud located in the constellation Dorado. Although it is only 21 times the size of the sun, its high temperature of 47,300 K makes it one of the most luminous stars of the Tarantula Nebula at . It is less than two p... | STS-30, STS-42, STS-57
- New York (Brooklyn): Jeffrey A. Hoffman — STS-51-D, STS-35, STS-46, STS-61, STS-75
- New York: Bruce E. Melnick — STS-41, STS-49
- New York (Brooklyn): "Gregory Olsen", third space tourist — Soyuz TMA-7/6
- New York: Robert A. Parker — STS-9, STS-35
- New York (Bronx): Mario Runco, Jr. — STS-44... | 10,729 | zeroshot-train |
Messier 10 [SEP] constellation | Messier 10
Messier 10 or M10 (also designated NGC 6254) is a globular cluster of stars in the equatorial constellation of Ophiuchus. The object was discovered by the French astronomer Charles Messier on May 29, 1764, who cataloged it as number 10 in his catalogue and described it as a "nebula without stars". In 1774, G... | Messier 49
Messier 49 (also known as M 49 or NGC 4472) is an elliptical galaxy located about away in the equatorial constellation of Virgo. This galaxy was discovered by French astronomer Charles Messier on February 16, 1777.
As an elliptical galaxy, Messier 49 has the physical form of a radio galaxy, but it only has ... | 10,730 | zeroshot-train |
Messier 103 [SEP] constellation | Messier 103
Messier 103 (also known as M103, or NGC 581) is an open cluster where a few thousand stars formed in the constellation Cassiopeia. This open cluster was discovered in 1781 by Charles Messier's friend and collaborator Pierre Méchain. It is one of the most distant open clusters known, with distances of 8,000 ... | Messier 109
Messier 109 (also known as NGC 3992) is a barred spiral galaxy exhibiting a weak inner ring structure around the central bar approximately away in the constellation Ursa Major. M109 can be seen southeast of the star Phecda (γ UMa).
History.
Messier 109 was discovered by Pierre Méchain in 1781. In 1783 Charl... | 10,731 | zeroshot-train |
Messier 2 [SEP] constellation | Messier 2
Messier 2 or M2 (also designated NGC 7089) is a globular cluster in the constellation Aquarius, five degrees north of the star Beta Aquarii. It was discovered by Jean-Dominique Maraldi in 1746, and is one of the largest known globular clusters.
Discovery and visibility.
M2 was discovered by the French astrono... | Messier 28
Messier 28 or M28, also known as NGC 6626, is a globular cluster of stars in the constellation Sagittarius. It was discovered by French astronomer Charles Messier on July 27, 1764. He briefly described it as a "nebula containing no star... round, seen with difficulty in 3½-foot telescope; Diam 2′." The 2′ at... | 10,732 | zeroshot-train |
Messier 23 [SEP] constellation | Messier 23
Messier 23, also known as NGC 6494, is an open cluster of stars in the southern constellation of Sagittarius. It was discovered by Charles Messier on June 20, 1764. M23 can be found with binoculars or a modestly sized telescope. The cluster is positioned in front of "an extensive gas and dust network", altho... | Messier 83
Messier 83 or M83, also known as the Southern Pinwheel Galaxy and NGC 5236, is a barred spiral galaxy approximately 15 million light-years away in the constellation Hydra. Nicolas Louis de Lacaille discovered M83 on February 23, 1752 at the Cape of Good Hope. Charles Messier added it to his catalogue of nebu... | 10,733 | zeroshot-train |
Messier 29 [SEP] constellation | Messier 29
Messier 29 or M 29, also known as NGC 6913, is an open cluster of star in the Cygnus constellation. It was discovered by Charles Messier in 1764, and can be seen from Earth by using binoculars.
The star cluster is situated in the highly crowded area of Milky Way near Gamma Cygni, at a distance of 7,200 (most... | Messier 72
Messier 72 (also known as M72 or NGC 6981) is a globular cluster in the Aquarius constellation discovered by French astronomer Pierre Méchain on August 29, 1780. French astronomer Charles Messier looked for it on the following October 4, and included it in his catalog. Both decided that it was a faint nebula... | 10,734 | zeroshot-train |
Messier 7 [SEP] constellation | Messier 7
Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked eye, close to the "stinger" of Scorpius. With a declination of -34.8°, it is the southernmost Messier object.
M7 h... | Messier 52
Messier 52 or M52, also known as NGC 7654, is an open cluster of stars in the northern constellation of Cassiopeia. It was discovered by Charles Messier on September 7, 1774. M52 can be seen from Earth with binoculars. The brightness of the cluster is influenced by extinction, which is stronger in the southe... | 10,735 | zeroshot-train |
Mu Capricorni [SEP] constellation | Mu Capricorni
Mu Capricorni (μ Cap, μ Capricorni) is a solitary star in the southern constellation of Capricornus. Based upon an annual parallax shift of 37.57 mas as seen from the Earth, the star is located about 87 light years from the Sun. It is visible to the naked eye with an apparent visual magnitude of +5.081.
T... | - In the "Yu-Gi-Oh! Zexal" anime, one of the Seven Barian Emperors is named Mizar.
- In the 1998 movie "Deep Impact", Mizar and Alcor are the stars beside which a young astronomer discover a comet on a collision path to Earth.
List of planetary systems in fiction Mu Capricorni.
In "", according to "Star Trek: Star Char... | 10,736 | zeroshot-train |
Mz 1 [SEP] constellation | Mz 1
Mz 1 (Menzel 1), is a bipolar planetary nebula (PN) in the constellation Norma.
Characteristics.
Menzel 1 is a bright PN that has a prominent central ring of enhanced emission. One model of its structure is a three-dimensional hour-glass shape with a smoothly decreasing density starting from the waist or equator a... | . PubMed .
2. United States Patent 8,216,228 - Pachon Mateos, et al. July 10, 2012
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=af-nest&s2=cardioneuroablation&OS=af-nest+AND+cardioneuroablation&RS=af-nest+AND+cardioneuroablat... | 10,737 | zeroshot-train |
NGC 112 [SEP] constellation | NGC 112
NGC 112 is a spiral galaxy located in the constellation Andromeda.br
It was discovered by American astronomer Lewis Swift on September 17, 1885. The galaxy lies approximately 295 Million light-years from earth, and is about 75,000 light-years in diameter. | NGC 1712
NGC 1712, also known as GC 942, JH 2685, and Dunlop 112 is an open cluster in the constellation of Dorado. It is relatively small, and is located inside the Large Magellanic Cloud. NGC 1712 was originally discovered in 1826 by James Dunlop, although Herschel rediscovered it in 1834. Nine variable stars have be... | 10,738 | zeroshot-train |
NGC 1156 [SEP] constellation | NGC 1156
NGC 1156 is a dwarf irregular galaxy in the Aries constellation of the type . It is considered a "Magellanic"-type irregular. The galaxy has a larger than average core, and contains zones of contra-rotating gas. The counter-rotation is thought to be the result of tidal interactions with another gas rich galaxy... | NGC 1023 Group
The NGC 1023 group is a group of galaxies about 20.6 million light-years away from Earth. It is a group in the Local Supercluster along with the Local Group.
Members.
- Probable (dwarfs): DDO 024, DDO 025.
- Possible members: NGC 672, IC 1727, NGC 1156(?).
- Possible (dwarfs): DDO 011, DDO 017, DDO 019,... | 10,739 | zeroshot-train |
NGC 119 [SEP] constellation | NGC 119
NGC 119 is a lenticuluar galaxy of type E/SA0? pec with an apparent magnitude of 13.0 located in the constellation Phoenix.
See also.
- List of NGC objects | 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... | 10,740 | zeroshot-train |
NGC 1232 [SEP] constellation | NGC 1232
NGC 1232 is an intermediate spiral galaxy about 60 million light-years away in the constellation Eridanus. It was discovered by German-British astronomer William Herschel on 20 October 1784.
It is dominated by millions of bright stars and dark dust, in spiral arms rotating about the center. Open clusters conta... | Zeta Fornacis
ζ Fornacis (often Latinised as Zeta Fornacis) is the Bayer designation for a star in the southern constellation of Fornax. It is faintly visible to the naked eye with an apparent visual magnitude of 5.67. Based upon a measured annual parallax shift of 30.66 mas, it is about 106 light years from the Sun. P... | 10,741 | zeroshot-train |
NGC 1265 [SEP] constellation | NGC 1265
NGC 1265 is a Fanaroff and Riley class 1 radio galaxy located in the constellation Perseus, a member of the Perseus Cluster.
External links.
- Simbad NGC 1265
- 3CRR Atlas 3C 83.1B | Ia supernova designated as SN 2016arc was discovered in NGC 1272.
See also.
- List of NGC objects (1001–2000)
- NGC 1265
- NGC 1275
- Messier 87
- NGC 4061 - a bent radio double galaxy in the NGC 4065 Group
External links. | 10,742 | zeroshot-train |
NGC 1806 [SEP] constellation | NGC 1806
NGC 1806 is a globular cluster located within the Large Magellanic Cloud within the constellation of Dorado (the dolphin-fish), an area of the sky best seen from the Earth's southern hemisphere. It was discovered in 1836 by the British astronomer John Herschel.
External links.
- A Great Ball of Stars — ESA/Hub... | 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... | 10,743 | zeroshot-train |
NGC 1808 [SEP] constellation | NGC 1808
NGC 1808 is a Seyfert galaxy located in the constellation Columba. The Supernova 1993af appeared in NGC 1808.
External links.
- Pictures and description at Hubble Heritage website | 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... | 10,744 | zeroshot-train |
NGC 1851 [SEP] constellation | NGC 1851
NGC 1851 (also known as Caldwell 73) is a globular cluster located in the constellation Columba.
External links.
- Galex image of NGC 1851
- The globular cluster C 73 | NGC 4467
NGC 4467 is an elliptical galaxy located about 78 million light-years away in the constellation of Virgo. NGC 4467 was discovered by astronomer Otto Struve on April 28, 1851. NGC 4467 is a companion of Messier 49 and is a member of the Virgo Cluster.
See also.
- List of NGC objects (4001–5000)
- NGC 4464 | 10,745 | zeroshot-train |
NGC 1903 [SEP] constellation | NGC 1903
NGC 1903 is a star cluster in the Large Magellanic Cloud in the constellation Dorado. It was discovered in 1834 by John Herschel with an 18.7-inch reflecting telescope.
Sources.
- van Loon, J. Th.; Marshall, J. R.; Zijlstra, A. A "Dust-enshrouded giants in clusters in the Magellanic Clouds"; Astronomy and Ast... | NGC 443
NGC 443 is a lenticular galaxy of type S0/(r)a? located in the constellation Pisces. It was first discovered on October 8, 1861 by Heinrich d'Arrest (and later listed as NGC 443), and was also spotted on October 17, 1903 by Stéphane Javelle (and later listed as IC 1653). It was described by Dreyer as "faint, sm... | 10,746 | zeroshot-train |
NGC 206 [SEP] constellation | NGC 206
NGC 206 is a bright star cloud in the Andromeda Galaxy. It is notable for being the brightest star cloud in Andromeda as viewed from Earth.
Features.
NGC 206 is the richest and most conspicuous star cloud in the Andromeda Galaxy as well as one of the largest and brightest star formation regions of the Local Gro... | NGC 6745
NGC 6745 (also known as UGC 11391) is an irregular galaxy about 206 million light-years (63.5 mega-parsecs) away in the constellation Lyra. It is actually a trio of galaxies in the process of colliding.
The three galaxies have been colliding for hundreds of millions of years. After passing through the larger g... | 10,747 | zeroshot-train |
NGC 2207 and IC 2163 [SEP] constellation | NGC 2207 and IC 2163
NGC 2207 and IC 2163 are a pair of colliding spiral galaxies about 80 million light-years away in the constellation Canis Major. Both galaxies were discovered by John Herschel in 1835. The larger spiral, NGC 2207, is classified as an intermediate spiral galaxy exhibiting a weak inner ring structure... | Milky Way's thick disk, and instead is of extragalactic origin.
NGC 2207 and IC 2163 are a pair of face-on interacting spiral galaxies located 125 million light-years from Earth. About 40 million years ago, the two galaxies had a close encounter and are now moving farther apart; nevertheless, the smaller IC 2163 will e... | 10,748 | zeroshot-train |
NGC 2360 [SEP] constellation | NGC 2360
NGC 2360, also known as Caroline's Cluster, is an open cluster in the constellation Canis Major. It was discovered on 26 February 1783, by Caroline Herschel who wrote, "A beautiful cluster of pretty compressed stars near 1/2 degree in diameter." Her notes were overlooked until her brother William included the ... | / Clown Face Nebula
- C40 NGC 3626
- C42 NGC 7006
- C43 NGC 7814
- C44 NGC 7479
- C45 NGC 5248
- C47 NGC 6934
- C48 NGC 2775
- C50 NGC 2244
- C52 NGC 4697
- C53 NGC 3115 Spindle Galaxy
- C54 NGC 2506
- C55 NGC 7009 Saturn Nebula
- C56 NGC 246
- C58 NGC 2360
- C59 NGC 3242 Ghost of Jupiter
- C60 NGC 4038 Brighter of two... | 10,749 | zeroshot-train |
NGC 2748 [SEP] constellation | NGC 2748
NGC 2748 is a 12th magnitude spiral galaxy in the constellation Camelopardalis. It was discovered September 2, 1828 by John Herschel. It likely contains a supermassive black hole with a mass of 44 million .
External links.
- Images
- Spectral data
- Supermassive black hole mass measurements for NGC 1300 and NG... | NGC 2748. One of the gas structures of NGC 2655 is trailing off toward the small galaxy UGC 4714. | 10,750 | zeroshot-train |
NGC 2770 [SEP] constellation | NGC 2770
NGC 2770 is a type SASc spiral galaxy located about 88 million light years away, in the constellation Lynx.
Three Type Ib supernovae have occurred there recently: SN 1999eh, SN 2007uy, and SN 2008D. The last of these is famous for being the first supernova detected by the X-rays released very early on in its f... | with a suspected companion galaxy may have created the massive stars causing this activity.
SN 2015bh, a Type II supernova, was discovered in NGC 2770 in February 2015.
NGC 2770 was also the target for the first binocular image produced by the Large Binocular Telescope.
External links.
- Astronomers Witness Supernova's... | 10,751 | zeroshot-train |
NGC 2841 [SEP] constellation | NGC 2841
NGC 2841 is an inclined, unbarred spiral galaxy exhibiting a prominent inner ring structure in the constellation Ursa Major. It was discovered on 9 March 1788 by William Herschel. Initially thought to be about 30 million light years distant, a 2001 Hubble Space Telescope survey of the galaxy's Cepheid variable... | NGC 2500
NGC 2500 is a barred spiral galaxy in the constellation Lynx which was discovered by William Herschel in 1788. Much like the local group in which our own Milky Way galaxy is situated, NGC 2500 is part of NGC 2841 group of galaxies which also includes NGC 2541, NGC 2537 and NGC 2552. It has a H II nucleus and e... | 10,752 | zeroshot-train |
NGC 296 [SEP] constellation | NGC 296
NGC 296 is a low surface brightness unbarred spiral galaxy in the constellation of Pisces. The designation NGC 295 is sometimes mistakenly used for NGC 296.
See also.
- Low-surface-brightness galaxy
- Spiral galaxy | 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... | 10,753 | zeroshot-train |
NGC 30 [SEP] constellation | NGC 30
NGC 30 is a double star system (K4 and F5(?)) in Pegasus constellation. It was recorded only once by German astronomer Albert Marth on October 30, 1864.
Despite their apparent proximity, the stars are physically unrelated, with the brighter being light-years from the Sun, and the dimmer being light-years from th... | NGC 7002
NGC 7002 is a large elliptical galaxy around 320 million Light-years away from Earth in the constellation of Indus. The galaxy was discovered by English astronomer John Herschel on September 30, 1834. NGC 7002 is also part of a group of galaxies that contains the nearby galaxy NGC 7004.
See also.
- IC 1101 Mas... | 10,754 | zeroshot-train |
NGC 3259 [SEP] constellation | NGC 3259
NGC 3259 is a barred spiral galaxy located approximately 90 million light-years from Earth, in the Ursa Major constellation. It has the morphological classification SAB(rs)bc, which indicates that it is a spiral galaxy with a weak bar across the nucleus (SAB), an incomplete inner ring structure circling the ba... | - NGC 3259, also a strong source of X-rays
- NGC 3783, also a strong source of X-rays
- NGC 3982, also a starburst galaxy
- NGC 4151, has two supermassive black holes in its center.
- NGC 4395, an example of a low surface brightness galaxy with an intermediate-mass black hole in its center.
- NGC 4725, one of the close... | 10,755 | zeroshot-train |
NGC 362 [SEP] constellation | NGC 362
NGC 362 (Caldwell 104) is a globular cluster located in the constellation Tucana in the Southern Hemisphere, slightly north of the Small Magellanic Cloud. It was discovered on August 1, 1826 by James Dunlop. It is visible to the naked eye in dark skies, and is an impressive sight in a telescope, although it is ... | 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... | 10,756 | zeroshot-train |
NGC 3626 [SEP] constellation | NGC 3626
NGC 3626, also Caldwell 40, is a medium-tightness spiral galaxy and Caldwell object in the constellation Leo. It was discovered by William Herschel, on 14 March 1784. It shines at magnitude +10.6/+10.9. Its celestial coordinates are RA , dec . It is located near the naked-eye class A4 star Zosma, as well as ga... | / Clown Face Nebula
- C40 NGC 3626
- C42 NGC 7006
- C43 NGC 7814
- C44 NGC 7479
- C45 NGC 5248
- C47 NGC 6934
- C48 NGC 2775
- C50 NGC 2244
- C52 NGC 4697
- C53 NGC 3115 Spindle Galaxy
- C54 NGC 2506
- C55 NGC 7009 Saturn Nebula
- C56 NGC 246
- C58 NGC 2360
- C59 NGC 3242 Ghost of Jupiter
- C60 NGC 4038 Brighter of two... | 10,757 | zeroshot-train |
NGC 3982 [SEP] constellation | NGC 3982
NGC 3982 is an intermediate spiral galaxy approximately 68 million light-years away in the constellation Ursa Major. It is also known as UGC 6918. It was discovered by William Herschel on April 14, 1789 and misclassified as planetary nebula. NGC 3982 is a part of the M109 Group.
At an apparent magnitude of 12.... | the star detonated in a violent and extremely bright explosion. Since a supernova explosion roughly occurs in a typical spiral galaxy every 100 years, astronomers use high-resolution images of NGC 3982 and other galaxies to detect stars which are nearing a similar explosive descent into supernovae.
External links.
- Sp... | 10,758 | zeroshot-train |
NGC 4041 [SEP] constellation | NGC 4041
NGC 4041 is the "New General Catalogue" identifier for a spiral galaxy in the northern circumpolar constellation of Ursa Major. It is located an estimated 70 million light years from the Sun. The morphological classification of SA(rs)bc indicates this is a spiral galaxy the lacks a bar; the 'rs' means it has a... | from the remnant, this may be a high-luminosity type IIn supernova.
NGC 4041 is a member of the LGG 266 galaxy group, along with NGC 4036, IC 758, UGC 7009, and UGC 7019. It is located just 17 arc minutes from NGC 4036, and the two form a pair with a projected separation of around . | 10,759 | zeroshot-train |
NGC 4183 [SEP] constellation | NGC 4183
NGC 4183 is a spiral galaxy with a faint core and an open spiral structure located about 55 million light-years from the Sun. Spanning about eighty thousand light-years, it appears in the constellation of Canes Venatici. NGC 4183 was observed for the first time by British astronomer William Herschel on 14 Janu... | According with Makarov and Karachentsev, members of the NGC 4111 group are the galaxies UGC 6818, NGC 3938, NGC 4013, IC 749, IC 750, NGC 4051, UGC 7089, UGC 7094, NGC 4117, NGC 4138 and NGC 4183.
NGC 4111 appears disturbed in HI imaging, with HI extending 28 arciminuntes south of the central position of NGC 4111, whic... | 10,760 | zeroshot-train |
NGC 4420 [SEP] constellation | NGC 4420
NGC 4420 is an unbarred spiral galaxy located 77 million light-years away 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... | 10,761 | zeroshot-train |
NGC 4490 [SEP] constellation | NGC 4490
NGC 4490, also known as the Cocoon Galaxy, is a barred spiral galaxy in the constellation Canes Venatici. It lies at a distance of 25 million light years from Earth. It interacts with its smaller companion NGC 4485 and as a result is a starburst galaxy. NGC 4490 and NGC 4485 are collectively known in the Atlas... | SN 2008ax
Supernova 2008ax was a type Ib supernova in Peculiar Galaxy NGC 4490. As the name indicates, it was discovered in 2008 on 3 March by LOSS and Koichi Itagaki. It was the third-brightest supernova of 2008.
External links.
- Light curves and spectra on the Open Supernova Catalog | 10,762 | zeroshot-train |
NGC 4658 [SEP] constellation | NGC 4658
NGC 4658 is a galaxy located in the constellation of Virgo. It was discovered by William Herschel in 1786. | 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... | 10,763 | zeroshot-train |
NGC 488 [SEP] constellation | NGC 488
NGC 488 is a face-on spiral galaxy in the constellation Pisces. It is at a distance of about 90 million light-years away from Earth. Its diameter is estimated to be 52,6 Kpc (171.000 ly). The galaxy has a large central bulge, and is considered a prototype galaxy with multiple spiral arms. Its arms are tightly w... | NGC 3147
NGC 3147 is a spiral galaxy located in the constellation Draco. It is located at a distance of circa 130 million light years from Earth, which, given its apparent dimensions, means that NGC 3147 is about 140,000 light years across. It was discovered by William Herschel οn
April 3, 1785. It is a Type II Seyfer... | 10,764 | zeroshot-train |
NGC 5005 [SEP] constellation | NGC 5005
NGC 5005 (also known as Caldwell 29) is an inclined spiral galaxy in the constellation Canes Venatici. The galaxy has a relatively bright nucleus and a bright disk that contains multiple dust lanes. The galaxy's high surface brightness makes it an object that is visible to amateur astronomers using large amate... | nucleus. These results imply that NGC 5005 contains a supermassive black hole. The strong, variable X-ray emission is characteristic of the emission expected from the hot, compressed gas in the environment outside a black hole in an active galactic nucleus.
Companion galaxy.
NGC 5005 and the nearby spiral galaxy NGC 50... | 10,765 | zeroshot-train |
NGC 5562 [SEP] constellation | NGC 5562
NGC 5562 is a spiral galaxy (class S) in the constellation of Boötes. | 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... | 10,766 | zeroshot-train |
NGC 5668 [SEP] constellation | NGC 5668
NGC 5668 is a nearly face-on spiral galaxy located about 81 million light years away in the constellation Virgo. As seen from the Earth, it is inclined by an angle of 18° to the line of sight along a position angle of 145°. The morphological classification in the De Vaucouleurs system is SA(s)d, indicating a p... | a dwarf galaxy located around to the southeast of NGC 5668, and the two may be gravitationally interacting.
Three supernovae have been observed in this galaxy: SN 1952G, SN 1954B, and SN 2004G. The last, a type II supernova, was initially imaged on January 19, 2004, at 43" to the west and 12".5 south of the galaxy core... | 10,767 | zeroshot-train |
NGC 57 [SEP] constellation | NGC 57
NGC 57 is an elliptical galaxy in the constellation Pisces. It was discovered on 8 October 1784 by astronomer William Herschel.
SN 2010dq.
On June 3, 2010, Koichi Itagaki detected a magnitude 17 supernova 17" west and 1" south of the center of NGC 57 at coordinates 00 15 29.70 +17 19 41.0.
See also.
- Elliptical... | NGC 4656 and NGC 4657
NGC 4656/57 is a highly warped barred spiral galaxy located in the constellation Canes Venatici and is sometimes informally called the Hockey Stick Galaxies or the Crowbar Galaxy. The galaxy is a member of the NGC 4631 Group. A Luminous Blue Variable in "super-outburst" was discovered in NGC 4656/... | 10,768 | zeroshot-train |
NGC 5746 [SEP] constellation | NGC 5746
NGC 5746 is a barred spiral galaxy located in the eastern part of the constellation of Virgo.
Characteristics.
NGC 5746 is located at a distance of 95 million light years and is seen nearly edge-on, bearing a strong resemblance with the galaxy NGC 4565, that is also seen nearly edge-on.
As with the former, it ... | the x-ray space telescope Chandra seemed to detect a large cloud of gas surrounding NGC 5746 that was thought to be remnant gas of its formation in the process of being accreted; however, later research has shown that cloud does not actually exist.
Seen in the infrared, NGC 5746 also shows two pseudobulges, one nested ... | 10,769 | zeroshot-train |
NGC 5753 [SEP] constellation | NGC 5753
NGC 5753 is a spiral galaxy in the constellation Boötes. This is a member of the Arp 297 interacting galaxies group of four: NGC 5752, NGC 5753, NGC 5754, NGC 5755.
External links.
- Distance
- Image NGC 5753
- 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... | 10,770 | zeroshot-train |
NGC 6208 [SEP] constellation | NGC 6208
NGC 6208 is an open cluster in the southern constellation of Ara. With an age of 1.17 Gigayears, it is one of the oldest known open clusters.
External links.
- http://seds.org
- http://seds.org
- http://www.iop.org
- Simbad
- Image NGC 6208 | the size of the full Moon. It is approximately 4200 light-years from Earth. It has one bright member, a double star with a blue-white hued primary of magnitude 5.6 and a secondary of magnitude 6.9. NGC 6193 is surrounded by NGC 6188, a faint nebula only normally visible in long-exposure photographs.
- NGC 6200
- NGC 62... | 10,771 | zeroshot-train |
NGC 6756 [SEP] constellation | NGC 6756
NGC 6756 is a small open star cluster in the constellation Aquila, close to NGC 6755.
External links.
- Simbad
- Image NGC 6756
- NGC 6756
- Webda | 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... | 10,772 | zeroshot-train |
NGC 6872 [SEP] constellation | NGC 6872
NGC 6872, also known as the Condor Galaxy, is a large barred spiral galaxy of type "" in the constellation Pavo. It is from Earth and is approximately five billion years old. is interacting with the lenticular galaxy , which is less than one twelfth as large. The galaxy has two elongated arms; from tip to tip,... | starburst events are caused by interactions or mergers with other galaxies. Also, NGC 6045 has a warped disk which may be due to an interaction with the elliptical galaxy NGC 6047 which lies around ~ from the galaxy.
See also.
- List of NGC objects (6001–7000)
- Messier 82
- NGC 6872 | 10,773 | zeroshot-train |
NGC 7331 Group [SEP] constellation | NGC 7331 Group
NGC 7331 Group is a group of galaxies in the constellation Pegasus. Spiral galaxy NGC 7331 is the brightest member of the group. This group is also called the "Deer Lick Group", and contains four other members; NGC 7335, NGC 7336, NGC 7337 and NGC 7340, affectionately referred to as the "fleas".
See also... | - 3–10 October 2008: Andromeda Galaxy (M31), Gamma Andromedae, and the NGC 7331 Group on Astronomy.com blog
- NGC 7331 Group at de-regt.com | 10,774 | zeroshot-train |
NGC 7538 [SEP] constellation | NGC 7538
NGC 7538, near the more famous Bubble Nebula, is located in the constellation Cepheus. It is located about 9,100 light-years from Earth. It is home to the biggest yet discovered protostar which is about 300 times the size of the Solar System. It is located in the Cepheus' Arm of the Milky Way and is probably p... | a compact nucleus, of oval shape, with perceptible side arms.
- The nebula NGC 7538 is home to the largest-yet-discovered protostar.
- NGC 7023 is a reflection nebula with an associated star cluster (Collinder 429); it has an overall magnitude of 7.7 and is 1,400 light-years from Earth. The nebula and cluster are locat... | 10,775 | zeroshot-train |
NGC 7600 [SEP] constellation | NGC 7600
NGC 7600 is an elliptical galaxy about 160 million light-years in the constellation Aquarius classified as a lenticular galaxy, or, more formally, an S0 galaxy.
External links.
- Preprint version of 1999MNRAS.307..967T with images of shell galaxies NGC 474 and NGC 7600
- The formation of shell galaxies similar... | NGC 884
NGC 884 (also known as χ Persei) is an open cluster located 7600 light years away in the constellation of Perseus. It is the easternmost of the Double Cluster with NGC 869. NGC 869 and 884 are often designated h and χ Persei, respectively. The cluster is most likely around 12.5 million years old. Located in the... | 10,776 | zeroshot-train |
NGC 7814 [SEP] constellation | NGC 7814
NGC 7814 (also known as UGC 8 or Caldwell 43) is a spiral galaxy about 40 million light-years away in the constellation Pegasus. The galaxy is seen edge-on from Earth. It is sometimes referred to as "the little sombrero", a miniature version of Messier 104. The star field behind NGC 7814 is known for its densi... | - Sombrero Galaxy
External links.
- NOAO: NGC 7814
- NGC 7814 imaged via the Virtual Telescope robotic facility | 10,777 | zeroshot-train |
Nu Aquarii [SEP] constellation | Nu Aquarii
Nu Aquarii (ν Aqr, ν Aquarii) is the Bayer designation for a star in the equatorial constellation of Aquarius.
With an apparent visual magnitude of 4.52, Nu Aquarii is visible to the naked eye. Its distance from Earth, as determined from parallax measurements, is around . At an estimated age of 708 million y... | , were "al Bulaʽ" ("البلع"), the Swallower.
In Chinese, (), meaning "Celestial Ramparts", refers to an asterism consisting of ν Aquarii, ξ Aquarii, 46 Capricorni, 47 Capricorni, λ Capricorni, 50 Capricorni, 18 Aquarii, 29 Capricorni, 9 Aquarii, 8 Aquarii, 14 Aquarii, 17 Aquarii and 19 Aquarii. Consequently, the Chinese... | 10,778 | zeroshot-train |
Omicron Herculis [SEP] constellation | Omicron Herculis
Omicron Herculis, Latinized from o Herculis, is a multiple star system in the constellation Hercules. It used to be called Masym ("the wrist"), but this name was transferred to Lambda Herculis.
Properties.
Omicron Herculis is a B9.5V star approximately 106 pc from the Earth. It has an apparent magnitud... | the enclosure, consisting of Delta Herculis, Lambda Herculis, Mu Herculis, Omicron Herculis, 112 Herculis, Zeta Aquilae, Theta Serpentis, Eta Serpentis, Nu Ophiuchi, Xi Serpentis and Eta Ophiuchi. Consequently, the Chinese name for Delta Herculis itself is (, ), and represents the state of Wei (魏), together with 33 Cap... | 10,779 | zeroshot-train |
Omicron Sagittarii [SEP] constellation | Omicron Sagittarii
Omicron Sagittarii (Omicron Sgr, ο Sagittarii, ο Sgr) is a binary star in the constellation Sagittarius. ο Sagittarii is 142 light years from Earth and is a spectral type K0 orange giant with an apparent magnitude of +3.77. It has a faint, 13th magnitude companion, ο Sagittarii B, 36 arc seconds away... | meaning 'the brightest of the town'.
This system, together with Zeta Sagittarii and Sigma Sagittarii may have been the Akkadian "Gu-shi-rab‑ba", 'the Yoke of the Sea'.
In Chinese, (), meaning "Establishment", refers to an asterism consisting of Pi Sagittarii, Xi² Sagittarii, Omicron Sagittarii, 43 Sagittarii, Ro¹ Sagit... | 10,780 | zeroshot-train |
Psi Capricorni [SEP] constellation | Psi Capricorni
Psi Capricorni (ψ Cap, ψ Capricorni) is a star in the constellation Capricornus. ψ Capricorni is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.13. It is approximately 47.9 light years from Earth. The measured rotational velocity of this star is approximately 41 km/s (the Sun ... | in since "Jump"." Rick Springfield's book "Late, Late at Night", he states that with his touring band, with "Tim on guitar. Mike Siefret on bass. Brett Tuggle on keyboards", Springfield formed a "special camaraderie" with Tuggle on the road due to their shared interest in "illicit sex" with women. | 10,781 | zeroshot-train |
R99 [SEP] constellation | R99
R99 (HD 269445) is a star in the Large Magellanic Cloud in the constellation Dorado. It is classified as a possible luminous blue variable and is one of the most luminous stars known.
R99 has a peculiar spectrum that has been described as OBf:pe, "unclassifiable", peculiar WN10, "similar to the unusual LBV HD 5980"... | of R99 may be significantly different to most WR stars and LBVs. The normal temperature-stratified WR wind is accelerated to terminal velocity, causing lines of different ionisation levels of Helium to be created at different distances from the star. This does not seem to apply to R99. Significant polarisation of the s... | 10,782 | zeroshot-train |
Rho Ophiuchi cloud complex [SEP] constellation | Rho Ophiuchi cloud complex
The Rho Ophiuchi cloud complex is a dark nebula of gas and dust that is located 1° south of the star ρ Ophiuchi of the constellation Ophiuchus. At an estimated distance of , this cloud is one of the closest star-forming regions to the Solar System.
Cloud complex.
This cloud covers an angular ... | NGC 1333
NGC 1333 is a reflection nebula located in the constellation Perseus. It belongs to the Perseus molecular cloud.
In 2011 researchers reported finding 30 to 40 brown dwarf objects in the cloud and in the Rho Ophiuchi cloud complex.
It was discovered by the SPITZER space telescope.
External links.
- Agrupació As... | 10,783 | zeroshot-train |
Robert's Quartet [SEP] constellation | Robert's Quartet
Robert's Quartet is a compact galaxy group approximately 160 million light-years away in the constellation Phoenix. It is a family of four very different galaxies whose proximity to each other has caused the creation of about 200 star-forming regions and pulled out a stream of gas and dust 100,000 ligh... | NGC 87
NGC 87 is a diffuse, highly disorganized barred irregular galaxy, part of Robert's Quartet, a group of four interacting galaxies.
See also.
- Robert's Quartet
External links.
- NGC 87
- http://www.astro.pef.zcu.cz/ | 10,784 | zeroshot-train |
SN 1997D [SEP] constellation | SN 1997D
SN 1997D, discovered on January 1997 in galaxy NGC 1536 in Reticulum constellation is a first clearly identified example of atypical Type II supernova with a very low luminosity and expansion velocity.
Progenitor.
There are two alternatives, a high-mass 25-40 solar masses star or smaller star with mass of 8-10... | .
Observations of the light curve from SN 1997D showed no evidence of other energy sources in the expanding supernova envelope therefore it is unlikely that a Neutron star was created, all the evidence leads to the creation of the stellar mass black hole of approximately 3 solar masses.
References.
From twilight to hig... | 10,785 | zeroshot-train |
Southern Crab Nebula [SEP] constellation | Southern Crab Nebula
The Southern Crab Nebula or Hen 2-104 is a nebula in the constellation Centaurus. The nebula is several thousand light years from Earth, and its central star is a symbiotic Mira variable - white dwarf pair. It is named for its resemblance to the Crab Nebula, which is in the northern sky.
The nebula... | a sign in the zodiac
- Cancer (Chinese astronomy)
Science.
- Cancer (constellation), a stellar constellation
- Crab Nebula, the supernova remnant found in the constellation Taurus
- Crab Pulsar, the central star in the Crab Nebula
- Crab (unit), photometrical unit of X-ray astronomy
- CRAB, an abbreviation for the symp... | 10,786 | zeroshot-train |
Theta Delphini [SEP] constellation | Theta Delphini
Theta Delphini (θ Del, θ Delphini) is a star in the constellation Delphinus. It has an apparent magnitude of about 5.7, meaning that it is just barely visible to the naked eye under excellent viewing conditions. Based upon parallax measurements made by the Hipparcos spacecraft, this star is around 1300 l... | Theta Gruis
Theta Gruis, Latinized from θ Gruis, is a triple star system in the southern constellation of Grus. Its combined apparent visual magnitude is 4.28, which is bright enough to be seen with the naked eye. The system contains a magnetic Delta Delphini-like F5 star with a close fainter companion, plus a more dis... | 10,787 | zeroshot-train |
TrES-1b [SEP] constellation | TrES-1b
TrES-1b is an extrasolar planet approximately 523 light-years away in the constellation of Lyra (the Lyre). The planet's mass and radius indicate that it is a Jovian planet with a similar bulk composition to Jupiter. Unlike Jupiter, but similar to many other planets detected around other stars, TrES-1 is locate... | TrES-2b
TrES-2b (TrES-2 or Kepler-1b) is an extrasolar planet orbiting the star GSC 03549-02811 located 750 light years away from the Solar System. The planet has been identified in 2011 as the darkest known exoplanet, reflecting less than 1% of any light that hits it. The planet's mass and radius indicate that it is a... | 10,788 | zeroshot-train |
UGC 4904 [SEP] constellation | UGC 4904
UGC 4904 is a barred spiral galaxy in the constellation Lynx, located about 77 million light-years from Earth. On October 20, 2004, a supernova impostor was observed by Japanese amateur astronomer Koichi Itagaki within the galaxy. This same star may have transitioned from a LBV star to a Wolf–Rayet star shortl... | that has hosted Type Ib supernovae: SN 1999eh, SN 2007uy, and SN 2008D. The last of these is famous for being the first supernova detected by the X-rays released very early on in its formation, rather than by the optical light emitted during later stages, which allowed the first moments of the outburst to be observed. ... | 10,789 | zeroshot-train |
UGC 5692 [SEP] constellation | UGC 5692
UGC 5692 is a Magellanic-type spiral galaxy located 13 million light years away in the constellation of Ursa Major. An alternate designation DDO 82 is named for the David Dunlap Observatory Catalogue. The galaxy was added to this list in 1959 by Sidney van den Bergh. | or UGC 8331) is a dwarf irregular galaxy in the constellation Canes Venatici. It is one of the members of the M51 Group.
Examples DDO 190.
DDO 190 (also known as UGC 9240) is a dwarf irregular galaxy which is located in the constellation of Boötes. It is a member of the M94 Group as well.
Examples DDO 199.
DDO 199 (als... | 10,790 | zeroshot-train |
Upsilon Aquarii [SEP] constellation | Upsilon Aquarii
Upsilon Aquarii (υ Aqr, υ Aquarii) is the Bayer designation for a binary star in the equatorial constellation of Aquarius. It is a faint naked eye star with an apparent visual magnitude of 5.21. Parallax measurements give a distance estimate of from Earth. This is a high proper-motion star.
Upsilon Aqua... | now so included in the List of IAU-approved Star Names.
In Chinese, (), meaning "Palace Guard", refers to an asterism consisting of Delta Aquarii, 29 Aquarii, 35 Aquarii, 41 Aquarii, 47 Aquarii, 49 Aquarii, Lambda Piscis Austrini, HD 212448, Epsilon Piscis Austrini, 21 Piscis Austrini, 20 Piscis Austrini, Upsilon Aquar... | 10,791 | zeroshot-train |
Upsilon Sagittarii [SEP] constellation | Upsilon Sagittarii
Upsilon Sagittarii (Upsilon Sgr, υ Sagittarii, υ Sgr) is a spectroscopic binary star system in the constellation Sagittarius. Upsilon Sagittarii is the prototypical hydrogen-deficient binary (HdB), and one of only four such systems known. The unusual spectrum of hydrogen-deficient binaries has made s... | meaning 'the brightest of the town'.
This system, together with Zeta Sagittarii and Sigma Sagittarii may have been the Akkadian "Gu-shi-rab‑ba", 'the Yoke of the Sea'.
In Chinese, (), meaning "Establishment", refers to an asterism consisting of Pi Sagittarii, Xi² Sagittarii, Omicron Sagittarii, 43 Sagittarii, Ro¹ Sagit... | 10,792 | zeroshot-train |
V Cephei [SEP] constellation | V Cephei
V Cephei is a white main sequence star in the constellation Cepheus. It only varies slightly by 0.03 of a magnitude. It was suspected of being variable by American astronomer Seth Carlo Chandler noting in 1890 that it varied by 0.7 magnitude but that it needed more confirmation. Subsequent observers were divid... | NW Puppis
NW Puppis (NW Pup), also known as υ Puppis, is a star in the constellation Puppis. Located around 760 light-years distant, it shines with a luminosity approximately 1108 times that of the Sun and has a surface temperature of 15000 K. Anamarija Stankov ruled this star out as a Beta Cephei variable.
Neither com... | 10,793 | zeroshot-train |
V1668 Cygni [SEP] constellation | V1668 Cygni
V1668 Cygni was a nova that appeared in the constellation Cygnus in 1978 with a maximum brightness of 6th apparent magnitude.
External links.
- https://web.archive.org/web/20100401152223/http://www.tsm.toyama.toyama.jp/curators/aroom/var/nova/1970.htm | Michael Lewis (model)
Michael Mario Lewis (, born 21 December 1987) is an Israeli actor and fashion model. In summer 2007 and winter 2008 Lewis was modeling for the Israeli clothing company Fox, with Esti Ginzborg. He appeared in fashion shows for Castro, and has been on the cover of several Israeli magazines.
In early... | 10,794 | zeroshot-train |
Var 83 [SEP] constellation | Var 83
VHK 83 (Var 83 in the VHK survey) is a luminous blue variable (LBV) in the constellation Triangulum, in the Triangulum Galaxy. With its bolometric luminosity of at least 2,240,000 times that of the Sun (4,500,000 in some estimates), it was described as "the brightest nonstable star in M33" and is one of the most... | - Mont-Dauphin-Guillestre
Hautes-Alpes (05) S.
- Serres
Hautes-Alpes (05) V.
- Veynes-Dévoluy
Var (83).
Var (83) A.
- Agay
- Anthéor-Cap-Roux
- Les Arcs-Draguignan
Var (83) B.
- Bandol
- Boulouris-sur-Mer
Var (83) C.
- Carnoules
- La Crau
- Cuers-Pierrefeu
Var (83) D.
- Le Dramont
Var (83) F.
- Fréjus
Var ( | 10,795 | zeroshot-train |
WASP-16 [SEP] constellation | WASP-16
WASP-16 is a magnitude 11 yellow dwarf main sequence star, with characteristics similar to our Sun, located in the Virgo constellation.
Planetary system.
In 2009, a planet of the star was announced by the SuperWASP project. It appears to be another hot Jupiter type exoplanet.
See also.
- SuperWASP
- List of ext... | of the common assumption amongst scientists that closely orbiting Hot Jupiter planets have highly circular orbits unless proven otherwise, were reported in a single discovery paper that was published on May 17, 2011 by the Royal Astronomical Society. The paper was submitted to the "Monthly Notices of the Royal Astronom... | 10,796 | zeroshot-train |
WISE 1541−2250 [SEP] constellation | 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... | UGPS 0722-05). It is not the farthest known Y-type brown dwarf to Earth.
History of observations.
History of observations Discovery.
WISE 1541−2250 was discovered in 2011 from data collected by the Wide-field Infrared Survey Explorer (WISE) in the infrared at a wavelength of 40 cm (16 in), whose mission lasted from Dec... | 10,797 | zeroshot-train |
WISE 1639-6847 [SEP] constellation | WISE 1639−6847
WISE J163940.83−684738.6 (designation is abbreviated to WISE 1639−6847, or W1639) is a brown dwarf of spectral class Y0-Y0.5, located in constellation Triangulum Australe (it's the nearest star / brown dwarf in this constellation) at approximately 16 light-years from Earth.
Discovery.
WISE 1639−6847 was ... | al." published a paper in "The Astrophysical Journal", where they presented discovery of a newfound by WISE Y-type brown dwarf WISE 1639−6847 (the only brown dwarf discovery, presented in the article): the paper was accepted for publication on 20 September 2012, submitted to arXiv on 27 September 2012, and published in... | 10,798 | zeroshot-train |
WISE 1828+2650 [SEP] constellation | WISE 1828+2650
WISE 1828+2650 (full designation WISEPA J182831.08+265037.8) is a brown dwarf or rogue planet of spectral class Y2, located in constellation Lyra at approximately 47 light-years from Earth. It is the "archetypal member" of the Y spectral class.
History of observations.
History of observations Discovery.
... | CFBDSIR 1458+10
CFBDSIR J145829+101343 (designation abbreviated to CFBDSIR 1458+10, or CFBDSIR J1458+1013) is a binary system of two brown dwarfs of spectral classes T9 + Y0 orbiting each other, located in constellation Boötes about 104 light-years away from Earth.
The smaller companion, CFBDSIR 1458+10B, has a surface... | 10,799 | zeroshot-train |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.