Spectrophotometry of Epsilon Aurigae

Details Spectrophotometry of Epsilon Aurigae Spectrophotometry of Epsilon Aurigae

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...321..450t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 321, Oct. 1, 1987, p. 450-458. Research supported by the Raymond Educationa

Astronomy and Astrophysics

Astrophysics

5

Auriga Constellation, Eclipsing Binary Stars, Peculiar Stars, Spectrum Analysis, Stellar Spectrophotometry, Absorption Spectra, Interstellar Extinction, Stellar Color, Stellar Composition

Scientific paper

Four- and eight-A resolution spectrophotometric observations were performed over the range of 3295-8880 A of the peculiar eclipsing binary Epsilon Aurigae during the 1982-1984 eclipse. The observations reveal a reddening of E(B-V) = 0.30 mag and, by comparison with published spectral atlases, a spectrophotometric spectral type in the MK region of F3-F4 Ia. The behavior of several absorption lines during eclipse is described. The observations suggest the presence of neutral sodium, potassium, hydrogen, and the molecule CH in the eclipsing body.

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