New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs
Astrophysics
2009-11-07 v1
Abstract
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.
Cite
@article{arxiv.astro-ph/0110583,
title = {New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs},
author = {N. Phan-Bao and J. Guibert and F. Crifo and X. Delfosse and T. Forveille and J. Borsenberger and N. Epchtein and P. Fouque and G. Simon},
journal= {arXiv preprint arXiv:astro-ph/0110583},
year = {2009}
}
Comments
Accepted in Astronomy and Astrophysics