Binarity of Hipparcos Main Sequence Survey Stars

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

Abstract

Hipparcos observations of double stars, mainly A and F primaries, aremodelled in order to check the statistics of double-star solutions inthe Hipparcos Catalogue and to set quantitative limits on binarydistributions. The number of companions per primary is estimated to 0.25+/-0.05 for semi-major axes from 1 to 10 AU, and to 0.43 +/-0.20 for therange 10--100 AU. The total multiplicity found is between 0.9 and 1.2.

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Subject classification (UKÄ) – MANDATORY

  • Astronomy, Astrophysics and Cosmology
Original languageEnglish
Title of host publicationThe Formation of Binary Stars, Proceedings of IAU Symp. 200, held 10-15 April 2000, in Potsdam, Germany, Edited by Hans Zinnecker and Robert D. Mathieu, 2001, p. 64.
PublisherIAU
Pages64-64
Volume200
Publication statusPublished - 2001
Publication categoryResearch
Peer-reviewedYes

Publication series

Name
Volume200