The mass distribution of extrasolar planet candidates and spectroscopic binary low-mass companions

Tsevi Mazeh, Dorit Goldberg, David W. Latham

Research output: Contribution to journalArticlepeer-review

Abstract

Spectroscopic orbits have been reported for nine unseen companions orbiting solar-type stars with minimum possible masses in the range 0.5-10 Jupiter masses. We compare the mass distribution of these nine planet candidates with the distribution of low-mass secondaries in spectroscopic binaries. Although we still have only a very small number of systems, the two distributions suggest two distinctive populations. The transition region between the two populations might be at the range of 10-30 Jupiter masses.

Original languageEnglish
Pages (from-to)L199-L203
JournalAstrophysical Journal
Volume501
Issue number2 PART 2
StatePublished - 10 Jul 1998

Keywords

  • Binaries: spectroscopic
  • Planetary systems

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