2005A&A...439L..19P


Query : 2005A&A...439L..19P

2005A&A...439L..19P - Astronomy and Astrophysics, volume 439, L19-22 (2005/8-4)

Discovery of a widely separated binary system of very low mass stars.

PHAN-BAO N., MARTIN E.L., REYLE C., FORVEILLE T. and LIM J.

Abstract (from CDS):

We report our discovery of a nearby wide binary system, LP 714-37 AB. Phan-Bao et al. identified LP 714-37 as a mid-M dwarf during a cross-identification of the NLTT and DENIS catalogues. Our CCD images resolve the system into a binary with a projected angular separation of 1.8", or 33AU, and low-resolution optical spectra give spectral types of M5.5 (LP 714-37A) and M7.5 (LP 714-37B). This makes LP 714-37 AB one of very few widely separated (separation >30AU) very low-mass binary systems known in the field, and we discuss it in the context of the multiplicity properties of very low-mass stars and brown dwarfs.

Abstract Copyright:

Journal keyword(s): binary stars - very low mass stars, brown dwarfs - individual star: DENIS-P J0410-1251, LP 714-37

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 DENIS J020529.0-115925 BD* 02 05 29.3651195393 -11 59 29.721210536           L7V 144 0
2 Cl* Melotte 22 BPL 283 LM* 03 53 23.1548800968 +23 19 20.148390372         18.34 M8 17 0
3 LP 714-37 ** 04 10 48.10248 -12 51 42.1488   18.4   15.0 12.99 M5.5+M8.0+M8.5 24 0
4 G 193-27 ** 07 03 55.7295368813 +52 42 06.567980132     13.29 11.94 10.14 M5.0V 54 0
5 LP 213-67 PM* 10 47 12.6095390983 +40 26 43.737443862   19.2       M6.5Ve 36 1
6 LP 213-68 ** 10 47 13.7778721616 +40 26 49.263789176   21.2   19.1   M8+L0 33 0
7 2MASS J11011926-7732383 BD* 11 01 19.266 -77 32 38.31       19.4 16.59 ~ 36 1
8 NAME TW Hya Association As* 11 01.9 -34 42           ~ 886 0
9 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1068 1
10 TWA 27 LM* 12 07 33.4675524840 -39 32 54.016625184     19.95 17.99 15.88 M8IVe 323 0
11 G 208-44 Er* 19 53 54.4821159649 +44 24 51.341564299   15.31 13.126 13.083 9.78 M5.5Ve 204 1
12 G 208-45 Er* 19 53 55.1405033909 +44 24 54.147256052   15.97 13.99 14.3 10.27 M6V 177 0

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2022.06.29-03:41:00

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