HR4975 - a Possible Early-Type Contact System with Unequal Components

Details HR4975 - a Possible Early-Type Contact System with Unequal Components HR4975 - a Possible Early-Type Contact System with Unequal Components

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...108...51w&link_type=abstract

Astronomy and Astrophysics, Vol.108, P. 51, 1982

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

From 295 measurements in the Geneva seven-colour photometric system, it is found that the suspected variable star HR 4975 is in fact a close binary system. The colour variations and the very short period (0.64254 d) indicate a possible contact configuration. It is also argued that the two components are probably unequal in size and that the system is near to the ZAMS. Theoretical implications are briefly discussed.

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