1999A&A...351L...5G

Query : 1999A&A...351L...5G

1999A&A...351L...5G - Astronomy and Astrophysics, volume 351L5-9 (1999/11-1)

EROS 2 proper motion survey: a field brown dwarf, and an L dwarf companion to LHS 102.

GOLDMAN B., DELFOSSE X., FORVEILLE T., AFONSO C., ALARD C., ALBERT J.N., ANDERSEN J., ANSARI R., AUBOURG E., BAREYRE P., BAUER F., BEAULIEU J.P., BORSENBERGER J., BOUQUET A., CHAR S., CHARLOT X., COUCHOT F., COUTURES C., DERUE F., FERLET R., FOUQUE P., GLICENSTEIN J.F., GOULD A., GRAFF D., GROS M., HAISSINSKI J., HAMILTON J.C., HARDIN D., DE KAT J., KIM A., LASSERRE T., LESQUOY E., LOUP C., MAGNEVILLE C., MANSOUX B., MARQUETTE J.B., MARTIN E.L., MAURICE E., MILSZTAJN A., MONIEZ M., PALANQUE-DELABROUILLE N., PERDEREAU O., PREVOT L., REGNAULT N., RICH J., SPIRO M., VIDAL-MADJAR A., VIGROUX L., ZYLBERAJCH S. (The EROS Collaboration)

Abstract (from CDS):

We report the discovery of two L dwarfs (the new spectral class defined for dwarfs cooler than the M type) in a two-epoch CCD proper motion survey of 413 square degrees, complemented by infrared photometry from DENIS. One of them has a strong lithium line, which for very cool dwarfs is a proof of brown dwarf status. The other is a common proper motion companion to the mid-M dwarf LHS 102 (GJ 1001), which has a well determined trigonometric parallax. LHS 102B is thus one of the coolest L dwarfs of known distance and luminosity.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: kinematics and dynamics - cosmology: dark matter - stars: low-mass, brown dwarfs

Nomenclature: EROS-MP JHHMM+DDMM N=1. [GDF99] LHS 102B N=1.

Simbad objects: 9

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Number of rows : 9
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 NAME L 362-29 BC BD* 00 04 34.8671722377 -40 44 06.463544237       19.61 16.88 L5+L5 119 0
2 L 362-29 PM* 00 04 36.4375346731 -40 44 02.880162313   14.47 12.84 12.525   M4V 88 0
3 EROS-MP J0032-4405 BD* 00 32 55.8475515840 -44 05 05.764029396         18.01 L0.5V 52 0
4 LP 944-20 LM* 03 39 35.2523500210 -35 25 43.641996333     18.69 16.39 13.288 M9.5Ve 308 0
5 Cl* Melotte 22 ROQUE 25 BD* 03 48 30.73544 +22 44 50.5385         21.80 L0.1 21 0
6 SIPS J1228-1547 BD* 12 28 15.23184 -15 47 34.2312       20.414 18.042 L5.5+L5.5 151 0
7 NAME Kelu-1 BD* 13 05 40.1642434199 -25 41 05.712165150         16.85 L2+L3.5 267 0
8 GD 165B BD* 14 24 39.09480 +09 17 10.4352         20.53 L4V 216 0
9 GD 165 WD* 14 24 39.1495824408 +09 17 14.160753960   14.46 14.32 14.6 14.91 DA4.1 176 0

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