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12 - Abundance surveys of metal-rich bulge stars

Published online by Cambridge University Press:  02 December 2009

By
J. P. Fulbright ,
R. M. Rich  and
A. McWilliam
Edited by
Garik Israelian  and
Georges Meynet
J. P. Fulbright
Affiliation:
Department of Physics & Astronomy, The Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA
R. M. Rich
Affiliation:
Division of Astronomy, Department of Physics & Astronomy, UCLA, Los Angeles, CA 90095-1562, USA
A. McWilliam
Affiliation:
Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA
Garik Israelian
Affiliation:
Instituto de Astrofísica de Canarias, Tenerife
Georges Meynet
Affiliation:
Geneva Observatory
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Summary

We present the results from optical high-resolution spectroscopic surveys of the Milky Way bulge. The bulge is observed to have stars with [Fe/H] values up to at least +0.5 and [Mg/H] values up to at least +0.8. Age information from color–magnitude diagrams suggests these stars formed at nearly the same time as old metal-rich globular clusters, and the abundance ratios imply that the chemical evolution of the bulge was dominated by Type-ii supernovae, including progenitors at least as metal-rich as those seen in the local disk today.

Type
Chapter
Information
The Metal-Rich Universe , pp. 100 - 111
Publisher: Cambridge University Press
Print publication year: 2008

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  • Abundance surveys of metal-rich bulge stars
    • By J. P. Fulbright, Department of Physics & Astronomy, The Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA, R. M. Rich, Division of Astronomy, Department of Physics & Astronomy, UCLA, Los Angeles, CA 90095-1562, USA, A. McWilliam, Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA
  • Edited by Garik Israelian, Instituto de Astrofísica de Canarias, Tenerife, Georges Meynet
  • Book: The Metal-Rich Universe
  • Online publication: 02 December 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511536267.013
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  • Abundance surveys of metal-rich bulge stars
    • By J. P. Fulbright, Department of Physics & Astronomy, The Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA, R. M. Rich, Division of Astronomy, Department of Physics & Astronomy, UCLA, Los Angeles, CA 90095-1562, USA, A. McWilliam, Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA
  • Edited by Garik Israelian, Instituto de Astrofísica de Canarias, Tenerife, Georges Meynet
  • Book: The Metal-Rich Universe
  • Online publication: 02 December 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511536267.013
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Abundance surveys of metal-rich bulge stars
    • By J. P. Fulbright, Department of Physics & Astronomy, The Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218, USA, R. M. Rich, Division of Astronomy, Department of Physics & Astronomy, UCLA, Los Angeles, CA 90095-1562, USA, A. McWilliam, Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA
  • Edited by Garik Israelian, Instituto de Astrofísica de Canarias, Tenerife, Georges Meynet
  • Book: The Metal-Rich Universe
  • Online publication: 02 December 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511536267.013
Available formats
×