The Hipparcos observations and the mass of sub-stellar objects

Details The Hipparcos observations and the mass of sub-stellar objects The Hipparcos observations and the mass of sub-stellar objects

2001-02-19

arxiv.org/abs/astro-ph/0102316v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in A&A Letters

Scientific paper

10.1051/0004-6361:20010252

The Hipparcos Intermediate Astrometric Data have been used lately to estimate
the inclination of the orbital plane of candidate extrasolar planets. Whereas
most of these investigations derive almost face-on orbits, we show that the
astrometric data are seldom precise enough to undertake such studies and that
the `face-on' result might be just a spurious effect of the method.

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