New Hipparcos-based Parallaxes for 424 Dim Stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Submitted to ApJS, 20 pages

Scientific paper

10.1086/381147

We present a catalog of 424 common proper motion companions to Hipparcos stars with good (>3 sigma) parallaxes, thereby effectively providing new parallaxes for these companions. Compared to stars in the Hipparcos catalog, these stars are substantially dimmer. The catalog includes 20 WDs and an additional 29 stars with M_V>14, the great majority of the latter being M dwarfs.

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