2006ApJ...650L.131L

Query : 2006ApJ...650L.131L

2006ApJ...650L.131L - Astrophys. J., 650, L131-L134 (2006/October-3)

Direct detection of the brown dwarf GJ 802B with adaptive optics masking interferometry.

LLOYD J.P., MARTINACHE F., IRELAND M.J., MONNIER J.D., PRAVDO S.H., SHAKLAN S.B. and TUTHILL P.G.

Abstract (from CDS):

We have used the Palomar 200" adaptive optics (AO) system to directly detect the astrometric brown dwarf GJ 802B reported by Pravdo et al. This observation is achieved with a novel combination of aperture masking interferometry and AO. The dynamical masses are 0.175±0.021 and 0.064±0.032 M☉for the primary and secondary, respectively. The inferred absolute H-band magnitude of GJ 802B is MH=12.8 resulting in a model-dependent Teffof 1850±50 K and mass range of 0.057-0.074 M☉.

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Journal keyword(s): Instrumentation: Adaptive Optics - Stars: Low-Mass, Brown Dwarfs - Techniques: Interferometric

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 4915 PM* 00 51 10.8478903584 -05 02 21.401155212 7.792 7.643 6.972 6.604 6.252 G5V 163 0
2 HD 28005 PM* 04 27 24.7042375981 +46 51 11.353739807       6.3   G0 113 0
3 LSPM J0746+2000 BD* 07 46 42.56207 +20 00 32.1839       17.9 15.034 L0+L1.5 201 1
4 BD+16 2708B SB* 14 54 29.4185719182 +16 06 08.616294953           M8.5 143 0
5 Wolf 1084 SB* 20 43 19.2623811502 +55 20 53.100443210   16.46   13.9   M5Ve 94 0
6 ZTF J204940.24+452639.8 LP* 20 49 40.2487327224 +45 26 39.801742620           ~ 3 0

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