Period variation of selected cepheids

Research output: Contribution to journalArticle

5 Citations (Scopus)


The aim of the present paper is to study the period as well as γ-velocity changes of 12 cepheid-type variable stars in order to find possible evidence for duplicity. Light-time effect was found in the O-C diagram of RY CMa, the orbital period being about 5200 days. Furthermore, especially spectroscopic observations are needed to confirm the duplicity or render the accurate orbital solution possible.

Original languageEnglish
Pages (from-to)17-36
Number of pages20
JournalAstrophysics and Space Science
Issue number1
Publication statusPublished - Sep 1 1991

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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