Subaru HDS studies of carbon-rich, very metal-poor stars

Details Subaru HDS studies of carbon-rich, very metal-poor stars Subaru HDS studies of carbon-rich, very metal-poor stars

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13r.578a&link_type=abstract

In: Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 J

Astronomy and Astrophysics

Astronomy

Stellar Abundances, Lyman-Alpha Systems

Scientific paper

Recent surveys of metal-poor stars have discovered a large number of carbon-rich ([C/Fe]>+1) objects. To investigate the origin of the carbon excesses detailed abundance studies were made for 11 carbon-rich metal-poor stars based on high-resolution spectra obtained with Subaru/HDS. Nine of them show large excesses of s-process elements (e.g. Ba) which would be associated with production by AGB stars. Our study covers neutron-capture elements with a wide mass range (38

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