Search for radial velocity variation in visual binary and multiple stars

J. Tremko, G. A. Bakos, J. Žižnovský, T. Pribulla

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Radial velocity measurements are given for 143 stars, predominantly for the components of visual binaries. A critical examination of the present and older observations extending over several decades indicates that the majority of the observed stars have a variable radial velocity. The cause of the radial velocity changes is the binary nature, multiplicity and/or the intrinsic variability of pulsating variable stars. Altogether 577 new radial velocity measurements are presented. For ADS 7651 the first RV curve is published.

Original languageEnglish (US)
Pages (from-to)83-98
Number of pages16
JournalContributions of the Astronomical Observatory Skalnate Pleso
Volume40
Issue number2
StatePublished - 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

Keywords

  • ADS 7651
  • Binary
  • Radial velocities
  • Spectroscopic
  • Stars

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