Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26as..110..553s&link_type=abstract
Astronomy and Astrophysics Supplement, v.110, p.553
Astronomy and Astrophysics
Astrophysics
25
Stars: Atmospheres, Stars: Early-Type, Stars: Fundamental Parameters
Scientific paper
A method of determination of the effective temperature of B, A and F main sequence stars is proposed, using the slope of the continuum between 3200A and 3600A. The effective temperature calibration is based on a sample of stars with energy distributions known from UV to the red. We have determined the Balmer jump and the effective temperatures for 235 main sequence stars. The temperatures found have been compared with those derived by Underhill et al. (1979), Kontizas & Theodossiou (1980), Theodossiou (1985), Morossi & Malagnini (1985). The comparison showed good agreement for most of the stars in common. On the other hand, the temperatures derived from the reddening-free colour factor QUV, from the colour index (m1965-V) and from (B-V), given in Gulati et al. (1989), are systematically lower than our temperatures, however the differences are within one-sigma error.
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