Hostname: page-component-cd9895bd7-hc48f Total loading time: 0 Render date: 2024-12-27T07:08:34.377Z Has data issue: false hasContentIssue false
  • English
  • Français

Carbon-enhanced stars in SDSS DR-3

Published online by Cambridge University Press:  23 December 2005

T. Sivarani ,
B. Marsteller  and
T.C. Beers
T. Sivarani
Affiliation:
Department of Physics and Astronomy & Joint Institute for Nuclear Astophysics (JINA), East Lansing, Michigan State University 48824-2320, USA email: [email protected], [email protected], [email protected]
B. Marsteller
Affiliation:
Department of Physics and Astronomy & Joint Institute for Nuclear Astophysics (JINA), East Lansing, Michigan State University 48824-2320, USA email: [email protected], [email protected], [email protected]
T.C. Beers
Affiliation:
Department of Physics and Astronomy & Joint Institute for Nuclear Astophysics (JINA), East Lansing, Michigan State University 48824-2320, USA email: [email protected], [email protected], [email protected]
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We present new carbon-enhanced stars identified from the third public release of the Sloan Digital Sky Survey, SDSS-DR3. We have generated synthetic spectra with varying carbon abundances, and compare them with the SDSS spectra. We have also performed a preliminary analysis of s-process enhancement in several SDSS carbon-enhanced stars. Spectral features that are sensitve to stellar luminosity and temperature have also been explored. These methods will be applied to the large set of public SDSS data, as well as to the forthcoming data from SEGUE, the Sloan Extension for Galactic Understanding and Evolution, in order to study carbon enhancement at different metallicities, the fraction of s-process enhancement that occurs in carbon-enhanced stars, and possibly isotopic carbon abundances and nitrogen abundances.

Keywords

Stars: carbonstars: abundancestars: abundance
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S228: From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution , May 2005 , pp. 275 - 276
Copyright
© 2005 International Astronomical Union