The hot component of KS Persei /HD 30353/

Details The hot component of KS Persei /HD 30353/ The hot component of KS Persei /HD 30353/

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...113l..22d&link_type=abstract

Astronomy and Astrophysics, vol. 113, no. 2, Sept. 1982, p. L22, L23.

Astronomy and Astrophysics

Astrophysics

24

Binary Stars, Companion Stars, Stellar Evolution, Stellar Spectra, Stellar Temperature, Early Stars, Iue, Stellar Mass Ejection, Supergiant Stars

Scientific paper

The presence of a hot companion for the single-lined spectroscopic binary KS Per (HD 30353) has been detected in a study of low-resolution IUE spectra. The system as a whole is very similar to Upsilon Sgr. The observations are consistent with a model in which the primary is a helium supergiant of about 1 solar mass and the secondary is an overluminous early-type star with a mass of 5-6 solar masses. This model predicts that the system is now undergoing its second mass exchange.

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