Constraining the True Mass and 3d Orbit of Companions beyond the Ice Line

Details Constraining the True Mass and 3d Orbit of Companions beyond the Ice Line Constraining the True Mass and 3d Orbit of Companions beyond the Ice Line

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21730205c&link_type=abstract

American Astronomical Society, AAS Meeting #217, #302.05; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Precision radial velocity measurements have established long time baselines and are now starting to discover planets that reside beyond the ice-line in orbit around nearby stars. The number of companions appears to be growing as a function of semi-major axis and many stars exhibit trends that hint at the existence of additional companions with yet longer periods. We are conducting a sensitive high-contrast imaging program at Keck targeting stars that are being accelerated by a distant body. By combining two powerful and complementary planet detection techniques, we show that it is possible to place tight constraints on the true mass and 3d-orbit of such objects.

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