New nearby stars selected in a high proper motion survey by DENIS photometry

Details New nearby stars selected in a high proper motion survey by DENIS photometry New nearby stars selected in a high proper motion survey by DENIS photometry

2002-05-06

arxiv.org/abs/astro-ph/0205072v1

Astronomy and Astrophysics

Astrophysics

9 pages, 3 figures, accepted for publication in A&A

Scientific paper

10.1051/0004-6361:20020667

We present new nearby stars extracted from a proper motion catalogue and having a DENIS counterpart. Their distances and spectral type are estimated using the DENIS colours. 107 stars are within 50 pc. 31 stars among them have previously measured distances. In addition, 40 stars may enter within the 50 pc limit depending on which population they belong to. 6 stars among them have already measured distances. 5 objects, LHS5045, LP225-57, LP831-45, LHS1767, and WT792, are probably closer than 15 pc, with LP225-57 at 9.5 pc. Most of these stars are M-type while 4 stars are white dwarfs. 88 M-dwarfs are disc stars, 14 belong to the thick disc and 1 to the spheroid.

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