[Fe/H] Calibration of delta Scuti Variables Using Caby Photometry

Details [Fe/H] Calibration of delta Scuti Variables Using Caby Photometry [Fe/H] Calibration of delta Scuti Variables Using Caby Photometry

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...192.6722h&link_type=abstract

American Astronomical Society, 192nd AAS Meeting, #67.22; Bulletin of the American Astronomical Society, Vol. 30, p.921

Astronomy and Astrophysics

Astronomy

Scientific paper

The hk index has been used as a metallicity indicator for RR Lyrae variable stars (Baird 1996, AJ, 112, 2132). Baird found a relationship between [Fe/H] and hk at a given (b-y). Evidence will be given that for (b-y) < 0.200, the log g affects the [Fe/H]-hk relationship. Employing spectroscopic abundances of stars with published hk values and Kurucz models, a 3-D interpolation is used to determine [Fe/H] from (b-y), c1 and hk values. The resulting [Fe/H], log g and Teff values for 11 delta Scuti stars will be presented.

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