RT corona borealis: Wave-like distortion and photometric solution

Details RT corona borealis: Wave-like distortion and photometric solution RT corona borealis: Wave-like distortion and photometric solution

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982cha%26a...6..209z&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 6, Issue 3, p. 209-215.

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We reduced our photoelectric observations of the eclipsing binary RT CrB made in April-July, 1978 and found that the light curve showed the characteristics of a wave-like distortion. After comparing with other observations in recent years, we found the wave to have the characteristics of an advancing travelling wave with a migration period of 18.5yr. We discuss its possible explanations. We used the classical method to find a preliminary set of photometric elements. After combining with spectrographic results, we found the binary to consist of two separate subgiants, but the primary departs from the usual mass-radius relation for the primaries of RS CVn type binaries.

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