Rubin-152 - A massive star on the Galactic fringe
Rubin-152 is spectroscopically identical with a type O4-5 main-sequence star, and the standard luminosity calibration places it at the unexpected distance of 50 kpc from the Galactic center. Although its radial velocity is inconsistent with a circular orbit, a highly eccentric one cannot be excluded...
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| Veröffentlicht in: | Astron. J.; (United States) 1980-07, Vol.85, p.853-857 |
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| container_title | Astron. J.; (United States) |
| container_volume | 85 |
| creator | Chromey, F. R. |
| description | Rubin-152 is spectroscopically identical with a type O4-5 main-sequence star, and the standard luminosity calibration places it at the unexpected distance of 50 kpc from the Galactic center. Although its radial velocity is inconsistent with a circular orbit, a highly eccentric one cannot be excluded. On the other hand, the data reported here are also consistent with the hypothesis that R-152 is in an advanced stage of evolution, and that it is a nearby, low-mass, low-luminosity object which by perverse coincidence exhibits the effective temperature and surface gravity of a very massive star. |
| doi_str_mv | 10.1086/112747 |
| format | Article |
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R.</creatorcontrib><creatorcontrib>Department of Physics, Brooklyn College, City University of New York, Brooklyn, New York 11210</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Astron. J.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chromey, F. R.</au><aucorp>Department of Physics, Brooklyn College, City University of New York, Brooklyn, New York 11210</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rubin-152 - A massive star on the Galactic fringe</atitle><jtitle>Astron. 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| fulltext | fulltext |
| identifier | ISSN: 0004-6256 |
| ispartof | Astron. J.; (United States), 1980-07, Vol.85, p.853-857 |
| issn | 0004-6256 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_23856754 |
| source | EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | 640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DISTANCE GALAXIES LUMINOSITY MAIN SEQUENCE STARS MASS MILKY WAY OPTICAL PROPERTIES ORBITS PHYSICAL PROPERTIES RADIAL VELOCITY SPECTROSCOPY STAR EVOLUTION STARS SUPERMASSIVE STARS VELOCITY |
| title | Rubin-152 - A massive star on the Galactic fringe |
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