The Effective Temperatures of Am-Stars from the Infrared Flux Method

Details The Effective Temperatures of Am-Stars from the Infrared Flux Method The Effective Temperatures of Am-Stars from the Infrared Flux Method

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.265.1035s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 265, NO. 4/DEC15, P.1035, 1993

Astronomy and Astrophysics

Astronomy

17

Binaries: Spectroscopic - Stars: Chemically Peculiar - Stars: Fundamental Parameters - Stars: Individual: 63 Tau

Scientific paper

The Blackwell & Shallis infrared flux method (IRFM) is applied to the determination of effective temperatures of metallic-line (Am) stars. Since many Am stars are metal-rich spectroscopic binaries, the effects of metal abundance and binary companions on the IRFM are discussed. A modification to the IRFM is presented which allows explicitly for the effects of a companion star. This new method is applied to the determination of Teff for the classical Am star 63 Tau. After making due allowance for the effects of the companion, the IRFM gives a Teff in good agreement with that obtained using other techniques.

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