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- Cayrel's_Star abstract "BPS CS31082-0001, named Cayrel's Star, is an old Population II star located in a distance of 4 kpc in the Galactic Halo. It belongs to the class of ultra-metal-poor stars (metallicity [Fe/H] = -2.9), specifically the very rare subclass of neutron-capture enhanced stars. It was discovered by Tim C. Beers and collaborators with the Curtis Schmidt telescope at the Cerro Tololo Inter-American Observatory in Chile and analyzed by Roger Cayrel and collaborators. They used the Very Large Telescope (VLT) at the European Southern Observatory in Paranal, Chile for high-resolution optical spectroscopy to determine elemental abundances. The thorium-232 to uranium-238 ratio was used to determine the age. It is estimated to be about 12.5 billion years old, making it one of the oldest known.Compared to other ultra-metal-poor, r-process enriched stars (as CS22892-052, BD +17° 3248, HE 1523-0901) CS31082-001 has higher abundances of the actinides (Th, U), but a surprisingly low Pb abundance.".
- Cayrel's_Star wikiPageExternalLink 0104357.
- Cayrel's_Star wikiPageExternalLink ages.html.
- Cayrel's_Star wikiPageExternalLink sim-id.pl?protocol=html&Ident=bps+cs31082-0001.
- Cayrel's_Star wikiPageID "507573".
- Cayrel's_Star wikiPageRevisionID "591378609".
- Cayrel's_Star appmagV "11.7".
- Cayrel's_Star constell Cetus.
- Cayrel's_Star dec "-16".
- Cayrel's_Star epoch "J2000".
- Cayrel's_Star hasPhotoCollection Cayrel's_Star.
- Cayrel's_Star ra "5370.3099999999995".
- Cayrel's_Star subject Category:Cetus_(constellation).
- Cayrel's_Star subject Category:Population_II_stars.
- Cayrel's_Star type CelestialBody109239740.
- Cayrel's_Star type NaturalObject100019128.
- Cayrel's_Star type Object100002684.
- Cayrel's_Star type PhysicalEntity100001930.
- Cayrel's_Star type PopulationIIStars.
- Cayrel's_Star type Star109444100.
- Cayrel's_Star type Whole100003553.
- Cayrel's_Star type CelestialBody.
- Cayrel's_Star type Star.
- Cayrel's_Star type PhysicalBody.
- Cayrel's_Star comment "BPS CS31082-0001, named Cayrel's Star, is an old Population II star located in a distance of 4 kpc in the Galactic Halo. It belongs to the class of ultra-metal-poor stars (metallicity [Fe/H] = -2.9), specifically the very rare subclass of neutron-capture enhanced stars. It was discovered by Tim C. Beers and collaborators with the Curtis Schmidt telescope at the Cerro Tololo Inter-American Observatory in Chile and analyzed by Roger Cayrel and collaborators.".
- Cayrel's_Star label "BPS CS 31082-0001".
- Cayrel's_Star label "BPS CS31082-001".
- Cayrel's_Star label "Cayrel's Star".
- Cayrel's_Star sameAs BPS_CS31082-001.
- Cayrel's_Star sameAs BPS_CS_31082-0001.
- Cayrel's_Star sameAs BPS_CS31082-0001.
- Cayrel's_Star sameAs m.02jpm0.
- Cayrel's_Star sameAs Q796883.
- Cayrel's_Star sameAs Q796883.
- Cayrel's_Star sameAs Cayrel's_Star.
- Cayrel's_Star wasDerivedFrom Cayrel's_Star?oldid=591378609.
- Cayrel's_Star isPrimaryTopicOf Cayrel's_Star.
- Cayrel's_Star name "BPS CS31082-0001".