The interpretation of the spectra of two magnetic degenerates

Details The interpretation of the spectra of two magnetic degenerates The interpretation of the spectra of two magnetic degenerates

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252..285g&link_type=abstract

Astrophysical Journal, Part 1, vol. 252, Jan. 1, 1982, p. 285-295.

Astronomy and Astrophysics

Astrophysics

43

Magnetic Stars, Stellar Spectra, Stellar Spectrophotometry, Ultraviolet Spectra, White Dwarf Stars, Zeeman Effect, Absorption Spectra, Black Body Radiation, Carbon Stars, Line Spectra, Spectral Energy Distribution, Spectrum Analysis

Scientific paper

Ultraviolet and optical fluxes are measured for two magnetic degenerates, Feige 7 (Gr 267) and Grw + 70 deg 8247 (EG 129), from 10,000 to 1150 A. A method is developed for fitting blackbodies and models to this broad range of fluxes. From models, the best effective temperatures average 20% below the blackbody temperatures. Feige 7, a mixed H + He atmosphere, exhibits Ly-alpha absorption and a continuum flux corresponding to between 23,000 and 19,000 K. For a white dwarf, the radius is normal. It is thought that the spectrum may have some weak absorption line features.

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