Photometric Abundance Calibration of delta Scuti Stars Using HK Photometry

Details Photometric Abundance Calibration of delta Scuti Stars Using HK Photometry Photometric Abundance Calibration of delta Scuti Stars Using HK Photometry

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aj....116.2993h&link_type=abstract

The Astronomical Journal, Volume 116, Issue 6, pp. 2993-2997.

Astronomy and Astrophysics

Astronomy

7

Stars: Variables: Delta Scuti, Stars: Abundances

Scientific paper

The hk index has been used as a metallicity indicator for RR Lyrae variable stars. It is now being applied to the shorter period delta Scuti variables. Employing spectroscopic abundances of stars with published hk values and photometric indices calculated from stellar atmosphere models, a three-dimensional interpolation is used to determine [Fe/H] from intrinsic b-y, c_1, and hk values. The resulting [Fe/H], log g, and T_eff values for 10 delta Scuti stars are presented.

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