New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs

Details New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs

2001-10-27

arxiv.org/abs/astro-ph/0110583v1

Astronomy and Astrophysics

Astrophysics

Accepted in Astronomy and Astrophysics

Scientific paper

10.1051/0004-6361:20011461

We present 30 new nearby (d<30 pc) red dwarf candidates, with estimated spectral types M6 to M8. 26 were directly selected from the DENIS database, and another 4 were first extracted from the LHS catalogue and cross-identified with a DENIS counterpart. Their proper motions were measured on the MAMA measuring machine from plates spanning 13 to 48 years, and are larger than 0.1 arcsec/yr, ruling out the possibility that they are giants. Their distances were estimated from the DENIS colours and IR colour-magnitude relations and range between 15 and 30 pc.

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