Effective temperatures of AP stars

Details Effective temperatures of AP stars Effective temperatures of AP stars

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219..197s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. 197-204. Research supported by Polska Akademia Nau

Astronomy and Astrophysics

Astrophysics

35

A Stars, Peculiar Stars, Stellar Spectrophotometry, Stellar Temperature, Spectral Energy Distribution, Stellar Structure, Visible Spectrum

Scientific paper

A new method of determination of the effective temperatures of Ap stars is suggested in which at first the temperature of a model best reproducing the observed visual energy distribution is determined and then a correction to this temperature resulting from the UV flux deficit is added. The method is calibrated on a sample of stars with energy distributions known from the UV to the red. It is shown that the obtained effective temperatures of hotter stars agree well with the relation found by Lanz (1985). An extension of his relation toward cooler temperatures is given.

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