The ejection of runaway massive binaries

M. Virginia McSwain, Scott M. Ransom, Tabetha S. Boyajian, Erika D. Grundstrom, Mallory S.E. Roberts

Research output: Contribution to journalArticlepeer-review


The runaway O-type stars HD 14633 and HD 15137 are both SB1 systems that were probably ejected from the open cluster NGC 654. Were these stars dynamically ejected by close gravitational encounters in the dense cluster, or did the binaries each receive a kick from a supernova in one member? We present new results from our investigation of the optical, X-ray, and radio properties of these binary systems to discuss the probable ejection scenarios. We argue that these binaries may have been ejected via dynamical interactions in the dense cluster environment.

Original languageEnglish (US)
Pages (from-to)313-315
Number of pages3
JournalProceedings of the International Astronomical Union
Issue numberS240
StatePublished - Aug 2006


  • Binaries: spectroscopic
  • Pulsars: general
  • Stars: early-type
  • Stars: individual (HD 14633, HD 15137)
  • Stars: kinematics
  • Stars: winds
  • X-rays: binaries

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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