Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21560605b&link_type=abstract
American Astronomical Society, AAS Meeting #215, #606.05; Bulletin of the American Astronomical Society, Vol. 36, p.1130
Astronomy and Astrophysics
Astronomy
Scientific paper
We unveil an on-line database, www.bdcompanions.org, that lists the properties of all published brown dwarf and massive planetary companions to >0.075 solar-mass stars. The database includes substellar secondaries discovered through the radial velocity, direct imaging, astrometry, transit photometry, infrared excess, compound spectroscopy, and eclipse-timing methods. The lower mass limit for the inclusion of a substellar companion in the database is 10 Jupiter masses for most techniques. Companions discovered through direct imaging have been included regardless of their estimated mass. Companions that have been shown to have stellar masses after their discovery, or whose existence is debated or disproven, are noted separately. The database lists the principal properties of each host star (spectral type, measured or estimated parallax, mass, age, etc) and companion (spectral type, mass, semi-major axis, projected orbital separation, etc) where available, and includes the appropriate references. The database is sortable on each of the parameters. Altogether, 125 companions are listed, including 95 with masses between 0.013 and 0.075 times solar. We expect the database to have broad relevance to studies of brown dwarfs, extrasolar planets, and stellar multiplicity.
Bird Justin
Metchev Stanimir
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