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Astrometric Detection of a Low Mass Companion Orbiting the Star AB DoradusWe report submilliarcsecond--precise astrometric measurements for the late-type star AB Doradus via a combination of VLBI(very long baseline interferometry) and Hipparcos satellite data. Our astrometric analysis results in the precise determination of the kinematics of this star, that reveals an orbital motion readily explained as caused by the gravitational interaction with a low-mass companion.
Document ID
20060035680
Acquisition Source
Jet Propulsion Laboratory
Document Type
Preprint (Draft being sent to journal)
External Source(s)
hdl:2014/22790
Authors
Guirado, J. C.
Soderhjelm, S.
Reynolds, J. E.
Date Acquired
August 23, 2013
Publication Date
October 31, 1997
Distribution Limits
Public
Copyright
Other
Keywords
astrometry interferometric kinematics low-mass brown dwarfs

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