The distance of the helium-variable B star HD 37479

Details The distance of the helium-variable B star HD 37479 The distance of the helium-variable B star HD 37479

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...224...57h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 224, no. 1-2, Oct. 1989, p. 57-64.

Astronomy and Astrophysics

Astrophysics

17

B Stars, Stellar Gravitation, Stellar Spectra, Variable Stars, Interstellar Extinction, Orion Constellation, Star Clusters, Stellar Atmospheres, Stellar Evolution, Stellar Mass

Scientific paper

The gravity of HD 37479 (Sigma Ori E) is redetermined using eight high resolution and high S/N ratio spectrograms. The analysis is carried out differentially with respect to the main sequence stars Gamma Peg and Sigma Ori D. It is confirmed that the gravity of HD 37479 is log g = 3.95 + or - 0.15. Evidence is presented for a peculiar interstellar or circumstellar reddening law toward HD 37479.

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