The HD 61273 case: investigation on a new Algol

Details The HD 61273 case: investigation on a new Algol The HD 61273 case: investigation on a new Algol

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sf2a.conf..563r&link_type=abstract

SF2A-2002: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 24-29, 2002, Eds.: F. Combes and D. Barret,

Astronomy and Astrophysics

Astrophysics

Scientific paper

Although it is a relatively bright star - 7th magnitude - the star HD 61273, classified as B9 in the HD catalogue, is very scarce in the literature. Periodic photometric variations are detected by Hipparcos, and radial velocity measurements carried out with the Elodie spectrometer correspond to a binary star. A set of 13 spectra, obtained over the last six years, demonstrates the binarity of this star. The H alpha line displays a variable emission. This binary system, of Algol type, with a 12.919 day period, is composed of a B9 dwarf and a K0 giant.

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