Ultraviolet Spectrophotometry of VV Cephei

Details Ultraviolet Spectrophotometry of VV Cephei Ultraviolet Spectrophotometry of VV Cephei

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jass....9..111k&link_type=abstract

Journal of Astronomy and Space Sciences, vol.9, no.1, p.111-119.

Astronomy and Astrophysics

Astronomy

Scientific paper

The IUE archival spectra of VV Cephei were collected to investigate the eclipse nature in the ultraviolet. The temperature of the B star has been determined, as approximately 30000K, based on the flux distributions during egress. Light curves of VV Cephei were reduced from the spectrophotometry of the IUE archival spectra. Three light curves at the center wavelengths of 3250 Å, 2550 Å and 2850 Å have been analyzed by the modified Wilson and Devinney light curve program. The radii of the B star and M star were deduced to 0.05 and 0.22 of unit separation, respectively. The UV light curves show an evidence that the light was attenuated by the highly opaque atomsphere of the M star.

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