Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss..99..281k&link_type=abstract
(International Astronomical Union, Colloquium on Double Stars, Physical Properties and Generic Relations, 80th, Bandung, Indones
Astronomy and Astrophysics
Astrophysics
9
Binary Stars, Space Plasmas, Stellar Envelopes, Ultraviolet Spectra, Variable Stars, High Temperature Plasmas, Iue, Light Curve, Optical Thickness, Spectral Energy Distribution, Stellar Evolution
Scientific paper
Recent International Ultraviolet Explorer (IUE) observations of two interacting binaries, R Arae and HD 207739 are reported. The ultraviolet spectra indicate the presence of optically-thick, variable hot plasma in those binary systems. These two binaries may belong to a class of binaries that are currently undergoing a rarely observed and probably short-lived phase in their evolution. Their properties are compared with those of two other interacting binaries, U Cephei and Beta Lyrae.
Kondo Yoshihiko
McCluskey George E.
Parsons Sidney B.
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