Exploring the Ca II Triplet as a Metallicity Indicator in M Supergiants

Details Exploring the Ca II Triplet as a Metallicity Indicator in M Supergiants Exploring the Ca II Triplet as a Metallicity Indicator in M Supergiants

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20712407b&link_type=abstract

American Astronomical Society Meeting 207, #124.07; Bulletin of the American Astronomical Society, Vol. 37, p.1369

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results to calibrate the Ca II triplet lines as a metallicity indicator in M supergiants. Stars in the open clusters h and chi Per, the Large Magellanic Cloud, and the Small Magellanic Cloud were observed in the 8400-8700Å region to derive equivalent widths of the Ca II triplet lines. The data have been analysed to derive correlations of equivalent widths with effective temperature, surface gravity, and metallicity.

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