Period changes of bright southern Cepheids.

Details Period changes of bright southern Cepheids. Period changes of bright southern Cepheids.

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cokon..94.....s&link_type=abstract

Commun. Konkoly Obs., No. 94 (Vol. 11, Part 1),

Physics

4

Cepheids: Period Changes, Cepheids: Binaries

Scientific paper

O-C diagrams have been constructed for 44 bright southern Cepheids, mainly for studying the effects of duplicity on the pulsation period. The radial velocities have been studied as well. Light-time effect is found or suspected in eleven cases, and a preliminary value of the orbital period is suggested for 14 Cepheid binaries. The phenomenon of the phase jump is present in the O-C diagrams of eight Cepheid binaries.

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