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e559fa824e5b65c270b0e0b8edbdcbeb1a740999 | hexastix is a symmetric arrangement of non-intersecting prisms | hexastix is a symmetric arrangement of non-intersecting prisms that, when extended infinitely, fill exactly 3/4 of space. the prisms in a hexastix arrangement are all parallel to 4 directions on the body-centered cubic lattice. in the symmetries of things, john horton conway, heidi burgiel, and chaim goodman-strauss na... | wikipedia |
b5bc1fa589b88199918701984c47753f2bd0af11 | non-intersecting prism arrangements with prime cubic symmetry make | non-intersecting prism arrangements with prime cubic symmetry make up the family "polystix". related square and triangular prism structures in three and four directions, are named by conway as tetrastix and "tristix". if the ends of the prisms in a hexastix arrangement are pointed, the directionality modifies the symme... | wikipedia |
1da4d948bcc39c94ed35d389d8ae2cfb81aac4c8 | the hexastix arrangement has found use in mathematics, | the hexastix arrangement has found use in mathematics, crystallography, reticular chemistry, puzzle design, and art. michael o'keeffe and associates define this structure as one of the 6 possible invariant cubic rod packing arrangements. o'keefe classifies this arrangement as the Γ or garnet rod packing, and describes ... | wikipedia |
e559fa824e5b65c270b0e0b8edbdcbeb1a740999 | hexastix is a symmetric arrangement of non-intersecting prisms | hexastix is a symmetric arrangement of non-intersecting prisms that, when extended infinitely, fill exactly 3/4 of space. the prisms in a hexastix arrangement are all parallel to 4 directions on the body-centered cubic lattice. in the symmetries of things, john horton conway, heidi burgiel, and chaim goodman-strauss na... | wikipedia |
ac505422acd3fb3bf30ceb1474d8b06b0c20f209 | Ōsasahara shrine) is a shinto shrine located in | Ōsasahara shrine) is a shinto shrine located in the city of yasu, shiga prefecture, japan. the kami worshipped at this shrine are susanoo-no-mikoto and kushinadahime. | wikipedia |
173f1e8de76d0ba5ca536902508236f5685ddf84 | Ōsasahara shrine was constructed in the year 986 | Ōsasahara shrine was constructed in the year 986 by echi morozane, a local warlord. in 1414, the shrine's main hall (honden) was reconstructed by mabuchi sadanobu, the castellan of iwakura castle. following the meiji restoration and the establishment of the modern system of ranked shinto shrines under state shinto, the... | wikipedia |
909908d48fb157d91465fb79def4578a8062e152 | Ōsasahara shrine (大笹原神社, Ōsasahara jinja)) is a shinto | Ōsasahara shrine (大笹原神社, Ōsasahara jinja)) is a shinto shrine located in the city of yasu, shiga prefecture, japan. the kami worshipped at this shrine are susanoo-no-mikoto and kushinadahime. | wikipedia |
f922e9705a6bec54f183991b13f2413f6a37f8f2 | a native of paris, vigier earned his phd | a native of paris, vigier earned his phd in mathematics from university of geneva in 1946 with a study on infinite sequences of hermitian operators. in 1948 he was appointed assistant to louis de broglie, a position he held until the latter's retirement in 1962. vigier was professor emeritus in the department of gravit... | wikipedia |
e5c942e0293e7824b019cd29fbb8cce7007a4261 | perperoglou has also played with the greece men's | perperoglou has also played with the greece men's national basketball team, and they won the bronze medal at the 2009 eurobasket. he also represented greece at the 2010 fiba world championship, the 2013 eurobasket, the 2015 eurobasket, and the 2016 turin fiba world olympic qualifying tournament. | wikipedia |
0c740dd6aeed591aad9586c91a79982e8e043119 | perperoglou won bronze medals with greece junior national | perperoglou won bronze medals with greece junior national teams at both the 2002 fiba europe under-18 championship and the 2003 fiba under-19 world cup. he also played at the 2004 fiba europe under-20 championship. | wikipedia |
823303ca4b3320c0d2b7a8ee05eb02c883b9e3d0 | on 3 august 2018 perperoglou moved to serbia | on 3 august 2018 perperoglou moved to serbia and signed for crvena zvezda for the 2018–19 season. also, he played the 2019–20 season for the zvezda. | wikipedia |
215f7a73f0272c673b8d149e99ca5e187f687cc7 | in august 2012, he signed a two-year contract | in august 2012, he signed a two-year contract with olympiacos. with olympiacos, he won the 2012–13 season championship of the euroleague. he also won the 2013 edition of the fiba intercontinental cup. | wikipedia |
de47aab825fef1b33d723a00e4f755a789bec50c | with panathinaikos, perperoglou won 4 greek league championships | with panathinaikos, perperoglou won 4 greek league championships (2008, 2009, 2010, 2011) and 3 greek cups (2008, 2009, 2012). he also won 2 euroleague titles (2009, 2011), and the triple crown with panathinaikos, in 2009. | wikipedia |
3248cceb0910a9d2b43a0586b47cf4f32c2331e8 | perperoglou began his playing career with the youth | perperoglou began his playing career with the youth clubs of ao kavalas and iviskos. he started his professional career with ilysiakos in 2002, and then he moved to panionios in 2004. in 2007, he transferred from panionios to the big greek euroleague club panathinaikos. | wikipedia |
9178572753aef47028e9731369aed987ba9c2776 | efstratios "stratos" perperoglou (greek: Στράτος Περπέρογλου; born august | efstratios "stratos" perperoglou (greek: Στράτος Περπέρογλου; born august 7, 1984) is a greek former professional basketball player. he is 2.03 m (6'8") tall and he played mainly at the small forward position. | wikipedia |
757c5a56a7e5352f86aafd525beae48ed21f5261 | gérard berchet was a french-american chemist who played | gérard berchet was a french-american chemist who played a pivotal role in the invention of both nylon and neoprene. berchet worked under the direction of wallace carothers at dupont experimental station and first synthesized nylon 6 on february 28, 1935, from equal parts hexamethylenediamine and adipic acid. berchet wa... | wikipedia |
3592f7e716c988af7e497204bfa74df0f4732c24 | berchet met his wife, ruth, during his time | berchet met his wife, ruth, during his time at the university of colorado. after he completed his ph.d. in 1929, they moved to wilmington, delaware, to work for carothers at the dupont experimental station. berchet had two children. in wilmington berchet joined a small acting troupe called the brandywinders in 1932 and... | wikipedia |
974d0888bd8c37427e69a6372aed36998fdded4a | 7 g. diamine, 8.8 g. acid and 20 | 7 g. diamine, 8.8 g. acid and 20 cc. m-cresol heated 215° for 3 hours. water came off during the first half hour. the temp. was then raised to 255-60° and the cresol distilled off in the vacuum. the residue solidified at one time but then melted again at 265°. it was heated under 1 mm at 265° for 3 hours. on cooling (o... | wikipedia |
fb801bb5d55a40ce4c5d3588a7a0a7c711017707 | after several failures, the group completed a systematic | after several failures, the group completed a systematic study of potential polyamides by combining diamines with a similar series of diacids. 81 potential candidates for polyamides were identified, and in 1935 berchet was assigned to the polyamide project to work on them. he constructed and purified many of the diamin... | wikipedia |
ff4c4bdc6ed90bf335b8f4ccf427a406e0b902e1 | carothers' group at the dupont experimental station had | carothers' group at the dupont experimental station had been using condensation polymerizations to make polyester, but the fibers melted at low temperatures and were soluble in common solvents and were therefore not suitable as commercial products. carothers' group turned their attention to using diacidic and dibasic m... | wikipedia |
ac198efa0a476f9ad9bea77c1bc2ae41cc435ab2 | wallace carothers assigned berchet to isolate vinylacetylene in | wallace carothers assigned berchet to isolate vinylacetylene in early 1930 as part of a larger project on divinyl acetylene. fr julius arthur nieuwland, a professor of chemistry at the university of notre dame, had produced divinyl acetylene during his research on acetylene chemistry. dupont purchased the patent rights... | wikipedia |
86543497d93f58c0e86c51969d729493bd58b446 | during his time at dupont berchet played a | during his time at dupont berchet played a pivotal role in the invention of neoprene and nylon. however, he is fully credited with neither discovery. in march 1930, berchet was the first to synthesize neoprene by combining monovinyl acetylene with concentrated hydrochloric acid, but arthur collins was the first to disc... | wikipedia |
24a46f9c6d520cf1c5554976f1c766a13764d5b7 | the assignment of the group was to make | the assignment of the group was to make polyesters via condensation polymerizations. their initial attempts to create suitable commercial fibers failed as the fibers, while uniform and appearing to be strong, elastic and resilient, melted at low temperatures and were soluble in solvents. the group then turned their att... | wikipedia |
7e2b170cbc4717c2c21d1e58a6f8449805ba341c | in june 1929, berchet began work at dupont. | in june 1929, berchet began work at dupont. berchet was a member of a research group led by wallace carothers actively working on polymerization in "purity hall" at the dupont experimental station. some others working in the group were paul j. flory, charles stine, and julian w. hill. | wikipedia |
4ddcf56ea7970a97ab59f38b8e251444f72950da | on september 14, 1926, berchet arrived on ellis | on september 14, 1926, berchet arrived on ellis island to be cleared by immigration after a six-day voyage notable for the champagne bottle ceremoniously opened and drank each day by berchet, carothers, and johnson, who were all facing prohibition in america. | wikipedia |
e5b98be74a88ff7a10e981b67921cc036a90b1d2 | during the summer of 1926, berchet had met | during the summer of 1926, berchet had met and befriended wallace carothers in paris. carothers and his colleague jack johnson helped berchet get a visa to the united states and on september 8, 1926, berchet, carothers, and johnson sailed third class on the ss paris from le havre to new york city. | wikipedia |
ed74aac9b6441b2cc1d89dd83cd7da0b0cf08f38 | nylon is a synthetic polymer that can be | nylon is a synthetic polymer that can be melt-processed into fibers, films, and shapes and has significant applications in a wide variety of commercial products including apparel, electrical equipment, and food packaging. neoprene or polychloroprene is a synthetic rubber produced by the polymerization of chloroprene. i... | wikipedia |
fe84ab19083cc408eeb3e2b272db4a9062dda81d | gérard berchet (december 3, 1902 – november 26, | gérard berchet (december 3, 1902 – november 26, 1990) was a french-american chemist who played a pivotal role in the invention of both nylon and neoprene. berchet worked under the direction of wallace carothers at dupont experimental station and first synthesized nylon 6 on february 28, 1935, from equal parts hexamethy... | wikipedia |
b62ca72b74cfb7084aeeb7c8943f53071d8d305c | isak rosén is a swedish professional ice hockey | isak rosén is a swedish professional ice hockey right winger for the rochester americans of the american hockey league (ahl) as a prospect to the buffalo sabres in the national hockey league (nhl). rosén was drafted in the first round, 14th overall, by the sabres in the 2021 nhl entry draft. | wikipedia |
01335676adf63fce96d2f0ae36eaa9f890f8a51f | rosén made his swedish hockey league (shl) debut | rosén made his swedish hockey league (shl) debut with leksands if during the 2019–20 shl season, playing a single game. isak was drafted by the buffalo sabres in the first round of the 2021 nhl entry draft. | wikipedia |
58176391c12627bd1aa67df10528a8ff9b7ba13c | isak rosén (born 15 march 2003) is a | isak rosén (born 15 march 2003) is a swedish professional ice hockey right winger for the rochester americans of the american hockey league (ahl) as a prospect to the buffalo sabres in the national hockey league (nhl). rosén was drafted in the first round, 14th overall, by the sabres in the 2021 nhl entry draft. | wikipedia |
39ecf1d346002e5feab248b6c0ffda430337a83e | born in los angeles, and raised in north | born in los angeles, and raised in north dakota, he was noted for classifying the spectra of stars, and considered a pioneer in recognizing and classifying sub-groups of the peculiar stars. bidelman's undergraduate degree was from harvard college, and his ph.d. in astronomy was from the university of chicago under advi... | wikipedia |
c29713fc78904a625a28e145f4f71bbbf4c1eb6e | among bidelman's many interests were baseball, philately, music, | among bidelman's many interests were baseball, philately, music, and square dancing. his wife, verna pearl shirk was born in 1918 in grand forks, north dakota. she graduated from the university of north dakota, and was a teacher and a poet who used her time for family, friends, and church work. the bidelman's had four ... | wikipedia |
7b529bc51bbc217ba3b07d984bac68af181c4bd9 | i suppose i am being provincial but i've | i suppose i am being provincial but i've always felt that astronomers on the whole are the best people on earth..... let us never forget, nor let our students forget, that of every million people on the face of the earth, only one is an astronomer. | wikipedia |
aa0f76e7462c616c25f415b9e6a19b7052cbdf3a | asked to make some remarks at that symposium, | asked to make some remarks at that symposium, bidelman said he had little personal knowledge of russell, but could believe the comments he had heard that russell was both a great scientist and a great human being, because he had found it to be true of most other influential astronomers. in addition to alfred joy, bidel... | wikipedia |
82182dfcd88e1512c3964bf06e8d8a61660ce19c | at a 1977 iau symposium honoring the memory | at a 1977 iau symposium honoring the memory of henry norris russell, bidelman recalled reading during his high school years the "fascinating and inspiring" monthly articles russell wrote for scientific american. saying it was "an important part of my early scientific education", bidelman suggested they might be worth r... | wikipedia |
de97927579d6209b0fccee2d0191b453eb7e9cba | in a grand forks central high school competition, | in a grand forks central high school competition, bidelman's tribute to north dakota was judged best, and was read on october 20, 1935, at the washington memorial chapel at valley forge, pennsylvania, an annual event for essays by high school students about their states. in his essay, bidelman praised north dakota for ... | wikipedia |
39c49541a5bf333b2df688da470a4b64e855321c | william pendry bidelman was born on september 25, | william pendry bidelman was born on september 25, in 1918 in los angeles, california. bidelman's father, the son of howard bidelman and julia pendry, had the same name but bidelman did not use the designation "jr.," after college. his father died suddenly when he was four, and subsequently bidelman moved with his mothe... | wikipedia |
5d0b40859004ca55a1b40e0f59046dc2be739590 | bidelman was elected to the american astronomical society | bidelman was elected to the american astronomical society in 1944. and was a member for over 65 years. he was president of the cleveland astronomical society from 1973 to 1976. bidelman was elected to the international science honor society sigma xi by case western reserve university. the minor planet 9398 bidelman (19... | wikipedia |
0a2197ec1842f5c5c614f6c2037950104b4d51ce | in case western university's 2008 astronomy department newsletter, | in case western university's 2008 astronomy department newsletter, chair heather morrison wrote they were sorry to say goodbye to professor bidelman, who had turned 90 "and has decided to finish his distinguished career in astronomy by retiring for a second time". | wikipedia |
7c7cb62104a8d6a1d55a58be8ca0f141401629ef | bidelman (1969) once said that the problem of | bidelman (1969) once said that the problem of the ap stars (1969) is that "stars of unusual spectrum are doing unusual things". in 2002, bidelman suggested the peculiar magnetic a stars may have once been close binaries that "merged and are now in the process of learning to live as single objects", and suggested in 200... | wikipedia |
ea70885dfef0e258d37a5c122a5207ff130164ed | i hope you get my point: that if | i hope you get my point: that if something seems a bit strange it is worth doing some serious thinking to try to make sense of it. at the very least, do tell others about it; though perhaps hard to believe, they may be smarter than you! this policy may not make you popular with the establishment but the risk is well wo... | wikipedia |
636de4964bf593d4fd8322fc5a3fe5c0a5442cf0 | i have always been fascinated by red stars, | i have always been fascinated by red stars, partly because they were easy to find in a telescope field, and partly also because they seemed to warm things up a bit on a cold winter night. thus i early became acquainted with the celebrate carbon star 280 schjellerup, better known as wz cassiopeiae, which was recognized ... | wikipedia |
6596eeb51768fd2c9e1e79f4ed1de579c348dd89 | in 1993, bidelman provided data on 177 known | in 1993, bidelman provided data on 177 known and possible asymptotic giant branch stars, saying he was confident many would "prove to be interesting and important. unfortunately, i don't know which ones!" bidelman's list of high strömgren c1 index high galactic latitude stars included promising post-agb candidates to l... | wikipedia |
5833491ebe4a1b0bd82492b5265c2e980e3e6854 | in 1992, almost 50 years after his thesis | in 1992, almost 50 years after his thesis paper, bidelman stated on revient toujours à ses premières amours ("one always returns to his first loves") when he returned to the topic of his dissertation in 1992 and he considered it "perhaps worth mentioning" that two stars seen then had completely changed their spectral a... | wikipedia |
6ea82b0242b0aaa71a3ec79c832d5f1a6fa3517b | oh, i don't think so. if it is | oh, i don't think so. if it is right that the astrologers saw in fact two conjunctions of venus and jupiter, one in 3 bc and one in 2 bc, i think perhaps it would make us feel that there was a little bit more reason for what is stated in the scriptures than we might otherwise think. it's somewhat fashionable to think t... | wikipedia |
3ff668484bc8dff5dc7e02d86eb46ce7e586624f | in a brief 1991 newsweek on air interview | in a brief 1991 newsweek on air interview about the star of bethlehem, when asked when and why he became interested in the topic, bidelman said he had always been an astronomer, and it is of astronomical interest. when asked whether he thought his theory demystified christmas, bidelman replied: | wikipedia |
b836c248009c185b75e11c209d0e61dfa0c79f41 | bidelman became interested in the star of bethlehem | bidelman became interested in the star of bethlehem and argued it was involved planetary conjunctions. in 1991, bidelman used astronomical tables by bryant tuckerman and jean meeus to investigate roger sinnott's suggestion that two close conjunctions of venus and jupiter on the morning of august 12, 3 bc, and the eveni... | wikipedia |
414482e11c71a4bebf3e3460d0751509111fa3ff | bidelman retired from teaching at case western in | bidelman retired from teaching at case western in 1986. he became a professor emeritus, and in 1990 and 1991 continued to do research and remained active in the astronomy department. as a professor emeritus, bidelman continued with the henry draper reclassification project with houk and the michigan spectral survey and... | wikipedia |
f1b14fa0d309b256638bf7814d77c550f19a3c8a | bidelman was the first to identify the peculiar | bidelman was the first to identify the peculiar f str λ4077 dwarfs. as part of the "early results" program, in 1981, 1983 and 1985 bidelman found 21 stars he identified as "f str λ 4077". almost nothing was known about these stars other than bidelman's spectral classification. later researchers found evidence that abou... | wikipedia |
c30cf59c4e7cc4fd3ac76ae6cf8ed013add0d080 | when the telescope at kitt peak became operational | when the telescope at kitt peak became operational in 1981, bidelman continued his "early-results" research involving "systematic, but nonetheless somewhat cursory inspection" to classify stars for the northern hemisphere that had been given hd numbers, and published the spectral data in 1983. bidelman identified 175 p... | wikipedia |
dd3766458be1f2af2520aa97798d7c2bdc23fac7 | the warner and swasey observatory in cleveland, ohio, | the warner and swasey observatory in cleveland, ohio, suffered from light pollution, and was moved first to a better viewing site in ohio, then later to kitt peak, arizona, in 1979. by 1979, houk had classified 69,000 southern stars. as she finished the southern classifications, bidelman became responsible to oversee t... | wikipedia |
2a097a0fc85f135e2ae29f0dc00cac6b021f24b8 | in 1976, bidelman headed an iau working group | in 1976, bidelman headed an iau working group on the proper designation for astronomical objects. at a 1978 symposium discussion following a paper bidelman stated he wanted to make a slightly off-topic point about nomenclature, and asked whether the star under discussion, vi cyg #5 is the same star as bd +40° 4220. inf... | wikipedia |
8389420d95b9d360c71f338d4a24aa6e4d9d9f02 | in 1975, peter pesch replaced bidelman as director | in 1975, peter pesch replaced bidelman as director of the observatory and chairman of the astronomy department. while bidelman had been the observatory director, three of bidelman's graduate students, craig chester, cynthia irvine, and william smethells, were part of a group from cwru who wanted to begin their own obse... | wikipedia |
da3fd0a71efc840b6d9fa1631d538a7e175c334b | following his paper with lee, bidelman had "renewed | following his paper with lee, bidelman had "renewed interest" in proper motion stars and asked whether kuiper's unpublished proper motion material could be found. with help from the kuiper memorial committee at the university of arizona, ewen a. whitaker, elizabeth roemer, and helmut abt, bidelman obtained copies of fi... | wikipedia |
dc925c69d59ed7eac198cfddd99589bdd62a0041 | when kuiper ran out of stars of large | when kuiper ran out of stars of large proper motion and parallax in a region of sky, he observed the planets and their moons "nicely lined up" in that region. when kuiper found evidence of an atmosphere on saturn 's moon, titan, his research changed focus and much of his data on proper motion stars remained unpublished... | wikipedia |
ae95ff30fca8d186b1aefbd26cfe2dbf40951831 | for six years kuiper had worked to classify | for six years kuiper had worked to classify ~3,200 high proper motion stars using ~9,000 spectra taken at yerkes and mcdonald, and with an added 300 spectra from luyten, kuiper had planned to publish the data with luyten. bidelman called it "very important spectroscopic work and a "large-scale assault" on the problem o... | wikipedia |
f4981b757b7a2c68aba35d631d16c999992c9716 | in 1975, bidelman and san-gak lee reported spectral | in 1975, bidelman and san-gak lee reported spectral classifications for 601 proper-motion stars that had been listed in both a lowell observatory survey under henry l. giclas, and the luyten two-tenths catalogue and supplement, and their report included data from gerard kuiper. kuiper and bidelman had been at yerkes ob... | wikipedia |
027c135ae47c587e93e84ad5623d0609042fd6c5 | in 1962 and 1966, bidelman had reported that | in 1962 and 1966, bidelman had reported that the wavelength of λ 3984 varied somewhat from star to star, and stated differences in the ratios of mercury isotopes could be the reason. bidelman was the first to note this, and in 1974, michaud, reeves and charland, considering the isotopic abundances to be real, and that ... | wikipedia |
678a291ca407bc9ac5f3f7970b057409f6fadad3 | in 1973, bidelman and macconnell provided data on | in 1973, bidelman and macconnell provided data on a variety of b-emission (be) and shell stars, peculiar stars, weak-metal stars and other bright stars of the southern hemisphere, covering ~81% of the southern sky. they said when completed, houk's more comprehensive study would "provide spectral date of inestimable val... | wikipedia |
9fd71b3374f8cab0471ad90c946c866b5de75169 | bidelman directed the warner and swasey observatory from | bidelman directed the warner and swasey observatory from 1970 to 1975, and was a professor of astronomy from 1970 to 1986. in june 1970, bidelman began as chairman and director. bidelman's office was at the old taylor road observatory, given to the university by the warner & swasey company in 1920. due to light polluti... | wikipedia |
d39e9657a30683dbcb35f72ba1255d7528cccea8 | while at austin in 1970, bidelman, macconnell and | while at austin in 1970, bidelman, macconnell and frye published findings on six new stars showing strong neutral helium lines whose spectra appeared different from other "hydrogen deficient" stars, on objective prism plates from cerro tololo, chile. | wikipedia |
a5664a222abe9f7ec2b7b75169da1dc754f0cf46 | in 1970, the first official iau debate on | in 1970, the first official iau debate on astronomical data centers took place. after a temporary iau working group held meetings, and representatives from 16 countries showed interest, the iau established the first permanent working group on numerical data, and bidelman became one of its "main data center leaders" to ... | wikipedia |
8c90afa5b5d24dc3705a566097aeb6667eaee1c0 | in 1969, bidelman was a professor in the | in 1969, bidelman was a professor in the astronomy department at austin. by the end of the 1960s, astronomers had begun to discuss the possibility of creating astronomical data centers. in a letter in 1969, luboš perek wrote that an astronomer who wanted a star's mk classification might search through 5 to 100 papers "... | wikipedia |
2dd8735c53fc0157487e842da5fa48f0b2b611d3 | the first worldwide milestone in creating one or | the first worldwide milestone in creating one or more astronomical data centers was the first discussion in 1966 at a national science foundation event in maryland. the second was when bidelman was president of the international astronomical union's commission 45 and they discussed the issue at the 1967 iau meeting in ... | wikipedia |
f40d35bfcabd1f131c9d9d0a8b199e1e2cdff980 | with the help of macconnell and research assistants | with the help of macconnell and research assistants bond, frye and humphreys, bidelman discovered 53 new barium (ba ii) stars, 26 new late-type giants which had strong ca ii emission lines, new supergiants of various spectral classes and g- and k-type stars with very weak ch absorption in their spectra. | wikipedia |
fa8109077f1c1703a157975b8ea034a6a7abcae4 | by 1964, bidelman reported finding ~150 peculiar stars, | by 1964, bidelman reported finding ~150 peculiar stars, about 80% were believed to be new discoveries. in 1966, bidelman reported finding praseodymium iii in χ lupi and with the curtis schmidt telescope, bidelman and robert victor made provisional identifications of 23 peculiar stars including 3 new metallic line stars... | wikipedia |
b23b5671379726340a523723cce7ccc46f813ce4 | even though i was on record as having | even though i was on record as having thought it 'feasible' to reclassify all of the henry draper catalogue stars, i myself had no intention of doing this, nor had dr. mcconnell. but what we did do, to begin utilization of the beautiful plates that kept coming, was to start a so-called 'early-result' program in which w... | wikipedia |
a167a6969baf43bf2355379cbf1931920d1f8347 | reclassifying all hd stars the same way would | reclassifying all hd stars the same way would create a vast data set that could be used as a teaching data set for a computer to encourage automated classifications which would be as better telescopes looked at for fainter stars. houk eventually led the michigan survey and because it was anticipated that the work which... | wikipedia |
338f32e319322db6a36a9bbb3b7ce5a8efae3cce | in the early 1960s bidelman gave a colloquium | in the early 1960s bidelman gave a colloquium at case western reserve university in cleveland, ohio, where bidelman suggested it would be feasible to reclassify all stars listed in the henry draper catalogue on the mk system. graduate student, nancy houk heard bidelman's colloquium and became interested in classifying.... | wikipedia |
7d633b03be9cebab454ebee0382744954c7d0db6 | at the university of michigan, freeman d. miller | at the university of michigan, freeman d. miller and bidelman began to direct the complete reactivation of the curtis schmidt telescope, to search for stars with spectra that showed unusual chemical compositions. after the university of michigan agreed in 1966 to transfer the telescope to south america, the telescope w... | wikipedia |
7854a48bb7aff0373a31ce0729e2932c066d1e75 | t tauri, the prototype of the t-tauri stars, | t tauri, the prototype of the t-tauri stars, is a young star found in the constellation taurus. in november 1962, bidelman found ~100 times more gallium i in the spectrum of t tauri than is found in the spectrum of the sun. bidelman noted that it was at present "impossible to explain these abundance anomalies in terms ... | wikipedia |
339cc16ca0f07d368e1fa9b42c6faa8698976888 | in march 1962, bidelman used three peculiar stars, | in march 1962, bidelman used three peculiar stars, 3 centauri, κ cancri and 112 herculis, to make the first certain identification of the rare element gallium ii (ga ii) in stellar spectra, with lab work assistance by charles h. corliss at the national bureau of standards, which they reported in may 1962. | wikipedia |
18d71cbe9144bbd1ca1ee8e76c4dfafb44cc2ec3 | while he was editor, bidelman was the general | while he was editor, bidelman was the general supervisor of the students at lick observatory. according to hyron spinrad, bidelman encouraged astronomy students at the berkeley campus to make observations at lick observatory. spinrad recalled: "i don't know how he was regarded on mt. hamilton, but at berkeley he was re... | wikipedia |
2248581e664d785d9b83da713e4db8f5e8713270 | in 1962, bidelman helped soviet astronomers edit a | in 1962, bidelman helped soviet astronomers edit a manuscript for english readers, he continued on the asp publications committee, no longer as chair, in 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, and 1970. when helmut abt explored the number of reference errors in astronomy journal articles in 1992, he said the o... | wikipedia |
9ac3c206f9e08234e9eed4cbbc4360da418f535e | he was third vice president of asp in | he was third vice president of asp in 1961, and they published six issues totaling 543 pages, including 100 articles from the united states and nine other countries, and other papers. bidelman's annual report said being "largely responsible for the welfare" of the journal for approximately five years had been a conside... | wikipedia |
2be7fe96765990c82607b4fff0dcabf35fc53398 | in 1957, the directors discussed but did not | in 1957, the directors discussed but did not act on making the editor a salaried position. in 1958, the publications committee published over 100 papers, over 20 book reviews, and two symposia. re-elected to the board of directors, bidelman was authorized to spend up to $1,000 for editorial assistance in 1959, and they... | wikipedia |
08cf0f516b3481a3e76cc68b65bdae3cea7b7136 | bidelman served on the astronomical society of the | bidelman served on the astronomical society of the pacific 's nominating committee and publications committees in 1955. when seth b. nicholson, chairman of the publications committee for thirteen years retired, he nominated bidelman as the next chairman. bidelman resigned from the nominating committee, and became the e... | wikipedia |
6be5872a21f17d95a0e5972a0d8a463902e03279 | in 1951, bidelman informed other astronomers of his | in 1951, bidelman informed other astronomers of his intentions to publish a catalogue with data for all known emission-line stars and requested they contribute data to be incorporated into it. he researched emission-line stars for his catalogue and bibliography at yerkes observatory (wisconsin) and mcdonald observatory... | wikipedia |
b02d715a9612523fcbdfa7b94062135404a4b8c5 | otto struve had left the chicago for the | otto struve had left the chicago for the university of california in 1950. bidelman lectured for struve's graduate seminar on astrophysics at berkeley in 1955. he and george herbig also gave ten lectures together on stellar spectroscopy at berkeley during the 1954–55 academic year. bidelman served on the program commit... | wikipedia |
0b4721848e4822798384e135d3868ec18905bfb7 | in october 1953, bidelman was hired as an | in october 1953, bidelman was hired as an assistant astronomer at lick observatory. this observatory of the university of california is located on mount hamilton (california). the bidelman family lived on mount hamilton and the children attended a one-room school where it was an hour's drive to the nearest grocery stor... | wikipedia |
84d79a3cde299bcd53849e057c4259e3bb2559ec | astronomers expect to find massive young stars that | astronomers expect to find massive young stars that are five to twenty times the mass of the sun, on the galactic plane, a place where stars form, but it is rare to find stars like her 89, with a spectrum that appears to be a young supergiant so far from the galactic plane. regarding these stars with characteristics of... | wikipedia |
fa1587a06107ce1ffb5f93161817121016248c9c | bidelman was the first to find three unusual | bidelman was the first to find three unusual a- and f-type high-latitude bright stars, hr 6144, 89 herculis, and hd 161796 in the high galactic plane, an unexpected place for supergiant stars to be found. | wikipedia |
b50c3379cf02729ae2bbcc5ab6a49ab9ef9bb3eb | eventually, robert mcclure discovered that essentially all barium | eventually, robert mcclure discovered that essentially all barium stars began with a companion star that made the s-process elements, and when the companion star aged into a white dwarf, a stellar wind moved what was made by one star to the other star, a shifting of mass from an asymptotic giant branch (agb) star that ... | wikipedia |
2c529d45649d8a6eb56169d066ee30a4f12d68eb | bidelman and keenan were the first to regard | bidelman and keenan were the first to regard the barium star red giants as different from other red giants and to describe them as a spectroscopic class. barium is a heavy metal element made by certain advanced stars with a helium-burning shell surrounding a spent carbon core in addition to the λ4554 barium line, some ... | wikipedia |
ab6ae8b77cc9b3739cc3bb5d44ff5970664eb972 | hydrogen is the most abundant element in the | hydrogen is the most abundant element in the universe, so stars displaying very little hydrogen in their atmospheres are chemically peculiar stars. there are many kinds of hydrogen-deficient stars. upsilon sagittarii is a hydrogen-deficient star. it is a very luminous, variable, and unusual eclipsing binary with a spec... | wikipedia |
1b4176e2ec1f683d71013cb2c734a64716f0cabb | unlike most the usual relatively young star clusters | unlike most the usual relatively young star clusters including few supergiant stars, 18 were found in the double cluster of perseus by 2007, which robert f. wing noted as the 60th anniversary of bidelman's "important paper", saying bidelman's 1947 two-dimensional classifications of the then-known supergiants in h and χ... | wikipedia |
d7034fedd0611746c2a09587ea7fdfccf7d32c5d | this group, along with the double cluster, was | this group, along with the double cluster, was later named the perseus ob1 association. based on its radial velocity, bidelman also became first to see that s persei is part of the per ob1 association, which was later confirmed. among the first stars that were studied at far-infrared wavelengths, m-type supergiants may... | wikipedia |
5d3c78cd018a624cf5f3a45fb656823cc601d5ab | in 1946, w. w. morgan and william p. | in 1946, w. w. morgan and william p. bidelman published a paper on interstellar reddening using the mk system of spectral classifications and photoelectric photometry. morgan later said this paper with bidelman on interstellar reddening was "the principal paper along the way" to the ubv system, which he devised with ha... | wikipedia |
ef50abb7b3da018b1a2c3ba18c7cb17c9a73a512 | otto struve, who directed both yerkes and mcdonald, | otto struve, who directed both yerkes and mcdonald, has been described as dedicated yet demanding. his managerial style included daily inspections of the faculty to see if they were working. despite reports of tensions there was also "close knit camaraderie" and "boisterous parties" evidenced by yerkes "spontaneous par... | wikipedia |
a4a775b62a957f6fbfc8f271fae88ffc8f9662ea | bidelman spent long hours observing in remote west | bidelman spent long hours observing in remote west texas at mcdonald observatory because he, like other yerkes faculty, was also an astronomer at the university of texas (ut). at the suggestion of struve, the two universities had cooperated to create mcdonald observatory when the ut system had no astronomy department b... | wikipedia |
a0a95ee3f80379003af32c653f9afe072fc39d02 | in 1945, when bidelman left aberdeen he was | in 1945, when bidelman left aberdeen he was hired at yerkes as an instructor. under otto struve yerkes became the leading astrophysics center, when he directed it. in addition to bidelman, by 1946 the yerkes astronomy staff included paul ledoux, arne slettebak, armin deutsch, marshall wrubel, arthur d. code, carlos ces... | wikipedia |
c89075bac76ea01f8c8e785938d5228cf42a6e14 | bidelman served in the u.s. army's ballistic research | bidelman served in the u.s. army's ballistic research laboratory at aberdeen proving ground for over 2 years during world war ii,. he attended the 1942 american astronomical society 's annual meeting despite a small assembly due to gasoline rationing during world war ii. | wikipedia |
800934e03f27edb8ce7bbdddc5be024906a7c49d | for his 1943 dissertation, bidelman reported the double | for his 1943 dissertation, bidelman reported the double cluster in the i persei association is physically associated with neighborhood supergiant stars, and is part of an association of o- and b-type stars, and designated 47 stars as its members. bidelman received his ph.d. in 1943. the yerkes astronomy graduate progra... | wikipedia |
39dfc63a0f38d4cfebe9bb390941fa0236988ecd | as an undergraduate at harvard college, bidelman received | as an undergraduate at harvard college, bidelman received an honorary harvard college scholarship for academic excellence in 1939. he graduated in 1940. bidelman entered the graduate program at the university of chicago affiliated with yerkes observatory. his doctoral advisor was william w.morgan, who discovered the fi... | wikipedia |
1d4232170af3fb2cd0287f248226567936c64210 | born in los angeles, california, bidelman was raised | born in los angeles, california, bidelman was raised in north dakota, where he met his future wife of 69 years. he was a father of four and a grandfather. as an emeritus professor william p. bidelman continued working in astronomy after he retired from teaching, and was 92 when he died in murfreesboro, tennessee. | wikipedia |
3752d622de06b41f931a5a0b4db557ab30f744c1 | bidelman's undergraduate degree was from harvard college, and | bidelman's undergraduate degree was from harvard college, and his ph.d. in astronomy was from the university of chicago under advisor william wilson morgan. he was a physicist in the army during world war ii. a professional astronomer for over 50 years, bidelman taught for ~41 years at the university of chicago, the un... | wikipedia |
78453a0fdbb4a3de2f475ce6c3b50329b5475dd8 | william pendry bidelman (⫽ ˈ b aɪ d | william pendry bidelman (⫽ ˈ b aɪ d əl m æ n ⫽ by -dəl-man; september 25, 1918 – may 3, 2011) was an american astronomer. born in los angeles, and raised in north dakota, he was noted for classifying the spectra of stars, and considered a pioneer in recognizing and classifying sub-groups of the peculiar stars. | wikipedia |
0268548b7071b522f83a05de4e052435805d82cd | on 7 january 2011, morita was named in | on 7 january 2011, morita was named in the japan under-22 squad for middle east tour. he made his debut for the japan under-22 side on 10 february 2011 against the kuwait senior team. | wikipedia |
186dab5944c63b130bb676490a286cb39b2bf24c | morita grew up in the chiba prefecture and | morita grew up in the chiba prefecture and began his professional career with kyoto sanga in the j. league in 2009. he made his debut on 11 september 2010, in a 3–0 win against vissel kobe. | wikipedia |
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