A Search for Cepheid Binaries Using the CAII H and K Lines

Details A Search for Cepheid Binaries Using the CAII H and K Lines A Search for Cepheid Binaries Using the CAII H and K Lines

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985cto..conf...79e&link_type=abstract

Cepheids: Theory and Observations, Proceedings of IAU Colloquium No. 82, held 29 May - 1 June, 1984 in Toronto, Canada. Edited

Computer Science

5

Scientific paper

A survey of 24 classical Cepheids has been made to search for blue
companions using the Ca II H and K lines. It is shown that this
technique can detect an early A companion for a typical Cepheid. A blue
companion of SU Cas was discovered and upper limits for the companions
for a number of previously suspected binaries were established.

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