The VV Cephei star V641 Cassiopeiae

Details The VV Cephei star V641 Cassiopeiae The VV Cephei star V641 Cassiopeiae

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97..836s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, March 1989, p. 836-841.

Astronomy and Astrophysics

Astronomy

B Stars, Eclipsing Binary Stars, Red Giant Stars, Stellar Spectra, Ultraviolet Spectra, Absorption Spectra, Continuous Radiation, Emission Spectra, Iue, Light Curve, Visible Spectrum

Scientific paper

Ultraviolet spectra of the variable star V641 Cas taken with the IUE satellite have confirmed the VV Cephei nature of this object. The observations are consistent with the variable being a M3 I + B2 V-III system with E(B-V) = 0.55 mag lying in the Perseus arm of the Galaxy. In spite of V641 Cas having the largest light variation in the visible of any VV Cephei type star, no correlation was found between variation in ultraviolet line or continuum and light variation in the visible wavelength region.

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