Parallaxes of Three Young Brown Dwarfs and a Planet

Details Parallaxes of Three Young Brown Dwarfs and a Planet Parallaxes of Three Young Brown Dwarfs and a Planet

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006noao.prop..478g&link_type=abstract

NOAO Proposal ID #2006A-0478

Computer Science

Scientific paper

We propose to use the CTIO 0.9m telescope and CCD camera to measure the parallaxes of the three young brown dwarfs in the TW Hya Association. The Association has significant depth and thus we cannot assume that all members have the same distance (55 pc) as TW Hya itself. We need distances be able to reliably place these objects on the H-R diagram. Since 2M1207 is known to have a planetary mass companion, we would also obtain a distance to a five jupiter mass, 10 million year old planet. This 2M1207B is observable, this is will enable strong tests of planetary models.

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