HR 5637 - The unveiling of a binary

Details HR 5637 - The unveiling of a binary HR 5637 - The unveiling of a binary

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.212..931n&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 212, Feb. 15, 1985, p. 931-938.

Astronomy and Astrophysics

Astronomy

2

Binary Stars, Stellar Spectra, Astronomical Photometry, Astronomical Spectroscopy, Ultraviolet Spectra, Visible Spectrum

Scientific paper

HR 5637, previously classified as G1/3 Ib/II but considered composite by Bidelman and MacConnell, has been examined both photometrically and spectroscopically. The spectroscopic observations spanned the wavelength interval 1000-7000 A. Using these data in various combinations, the star is shown to be a binary with components of G2-5Ib and B8 V, with a magnitude difference Delta V of about 2.5 + or - 0.3 mag. This conclusion follows principally from the combination of low-resolution optical spectra of the components. These results are confirmed by ultraviolet (IUE) observations.

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