Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-09-04
Astronomy and Astrophysics
Astrophysics
5 pages, 2 figures, submitted to Astronomy & Astrophysics
Scientific paper
10.1051/0004-6361:20066120
We report the discovery of companions to 5 nearby late M dwarfs (>M5), LHS1901, LHS4009, LHS6167, LP869-26 and WT460, and we confirm that the recently discovered mid-T brown dwarf companion to SCR1845-6357 is physically bound to that star. These discoveries result from our adaptive optics survey of all M dwarfs within 12 pc. The new companions have spectral types M5 to L1, and orbital separations between 1 and 10 AU. They add significantly to the number of late M dwarfs binaries in the immediate solar neighbourhood, and will improve the multiplicity statistics of late M dwarfs. The expected periods range from 3 to 130 years. Several pairs thus have good potential for accurate mass determination in this poorly sampled mass range.
Beuzit Jean Luc
Chauvin Gael
Delfosse Xavier
Delorme Patrick
Forveille Thierry
No associations
LandOfFree
Five new very low mass binaries does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Five new very low mass binaries, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Five new very low mass binaries will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-726840