2006ApJ...645L.153P

Query : 2006ApJ...645L.153P

2006ApJ...645L.153P - Astrophys. J., 645, L153-L156 (2006/July-2)

LP 714-37: a wide pair of ultracool dwarfs actually is a triple.

PHAN-BAO N., FORVEILLE T., MARTIN E.L. and DELFOSSE X.

Abstract (from CDS):

LP 714-37 was identified by Phan-Bao et al. as one of the very few wide pairs of very low mass (VLM) stars known to date, with a separation of 33 AU. Here we present adaptive optics imaging that resolves the secondary of the wide pair into a tighter binary, with a projected angular separation of 0".36, or 7 AU. The estimated spectral types of LP 714-37B and LP 714-37C are M8.0 and M8.5, respectively. We discuss the implications of this finding for brown dwarf formation scenarios.

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Journal keyword(s): Stars: Binaries: Visual - stars: individual (DENIS-P J0410-1251) - stars: individual (LP 714-37) - Stars: Low-Mass, Brown Dwarfs

Simbad objects: 6

Full paper

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Number of rows : 6

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	Cl* Melotte 22 BPL 283	LM*	03 53 23.1548800968	+23 19 20.148390372				18.34	~	18	0
2	LP 714-37	**	04 10 48.10248	-12 51 42.1488	18.4		15.0	12.99	M5.5+M8.0+M8.5	26	0
3	2MASS J05514604-4434128	**	05 51 46.04880	-44 34 12.8244					M8.5+L0	17	0
4	G 208-44	Er*	19 53 54.4821159649	+44 24 51.341564299	15.31	13.126	13.083	9.78	M5.5Ve	220	1
5	G 208-45	LM*	19 53 55.1405033909	+44 24 54.147256052	15.97	13.99	14.3	10.27	M6V	205	0
6	SIPS J2200-3038	**	22 00 02.01888	-30 38 32.7120			19.2	16.7	M9+L0	30	1

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