2002MNRAS.335.1158C

Query : 2002MNRAS.335.1158C

2002MNRAS.335.1158C - Mon. Not. R. Astron. Soc., 335, 1158-1162 (2002/October-1)

A mini-survey for variability in early L dwarfs.

CLARKE F.J., OPPENHEIMER B.R. and TINNEY C.G.

Abstract (from CDS):

We report differential I -band photometry of four early L dwarfs, obtained to study variability. We detect variability on a time-scale of hours in two objects, 2MASS 0746425+200032 (at a level of 0.007 mag = 6.5σ) and 2MASS 1108307+683017 (0.012 mag; 5σ). We also place upper limits of 0.02 mag (1σ) on the variability of two others.

Abstract Copyright: RAS

Journal keyword(s): techniques: photometric - surveys - stars: low-mass, brown dwarfs

Simbad objects: 4

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Number of rows : 4
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 LSPM J0746+2000 BD* 07 46 42.56207 +20 00 32.1839       17.9 15.034 L0+L1.5 201 1
2 DENIS J090957.1-065806 BD* 09 09 57.4806647448 -06 58 18.655430772     19.2     L0.2V 46 0
3 LSPM J1108+6830 BD* 11 08 30.7737005711 +68 30 16.720164401       19.3 16.6 L1e 42 0
4 2MASS J11463449+2230527 BD* 11 46 34.5341033040 +22 30 54.036482400           L3+L4 94 0

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