Sneden's Star
(Sprache: Englisch)
High Quality Content by WIKIPEDIA articles! BPS CS22892-0052 (Sneden's Star) is an old Population II star located at a distance of 4.7 kpc in the Galactic Halo. It belongs to a class of ultra-metal-poor stars (Metallicity [Fe/H]=-3.1) , especially the very...
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High Quality Content by WIKIPEDIA articles! BPS CS22892-0052 (Sneden's Star) is an old Population II star located at a distance of 4.7 kpc in the Galactic Halo. It belongs to a class of ultra-metal-poor stars (Metallicity [Fe/H]=-3.1) , especially the very rare subclass of neutron-capture (r-process) 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. Extended high-resolution spectroscopic observations since around 1995 (with Chris Sneden from the University of Texas at Austin as the leading observer) allowed observers to determine the abundances of 53 chemical elements in this star, as of December 2005 only second in number to the Sun.
Bibliographische Angaben
- 2010, 92 Seiten, Kartoniert (TB), Englisch
- Herausgegeben von Surhone, Lambert M.; Timpledon, Miriam T.; Marseken, Susan F.
- Verlag: Betascript Publishing
- ISBN-10: 6131071403
- ISBN-13: 9786131071409
Sprache:
Englisch
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