Physical characters of HD 93044

Details Physical characters of HD 93044 Physical characters of HD 93044

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.210..193l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 210, no. 1-2, p. 193-195 (IAU Colloquium 134)

Astronomy and Astrophysics

Astrophysics

Metallicity, Stellar Gravitation, Stellar Magnitude, Stellar Temperature, Variable Stars, Abundance, Statistical Analysis, Stellar Color, Stellar Luminosity

Scientific paper

The measurements of uvby H beta of HD 93044 were obtained in April 1991, and the observational results that the star locates nearly in the middle of delta Scuti instability strip with somewhat deviation to red edge. According to Crawford (1979) and Philip's (1979) calibrations, the effective temperature, absolute visual magnitude and surface gravity are obtained to be Teff = 7300 +/- 200 K, Mv = 1.33 mag +/- 0.39 and log g = 3.7 +/- 0.15, respectively. The observational results of Delta m1 = 0.01 give an estimate of (Fe/H) = -0.003 +/- 0.18, so the opinion of metallic deficient is not supported obviously. The observations show the reddening index E(b-y) to be 0.014 which is 1.4 times as large as the standard deviation of Crawford's (1979) statistics.

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