2005A&A...438L..25C

Query : 2005A&A...438L..25C

2005A&A...438L..25C - Astronomy and Astrophysics, volume 438, L25-28 (2005/8-1)

Giant planet companion to 2MASSW J1207334-393254.

CHAUVIN G., LAGRANGE A.-M., DUMAS C., ZUCKERMAN B., MOUILLET D., SONG I., BEUZIT J.-L. and LOWRANCE P.

Abstract (from CDS):

We report new VLT/NACO imaging observations of the young, nearby brown dwarf 2MASSW J1207334-393254 and its suggested planetary mass companion (2M1207b). Three epochs of VLT/NACO measurements obtained over nearly one year show that the planetary mass companion candidate shares the same proper motion and, with a high confidence level, is not a stationary background object. This result confirms the status of 2M1207b as of planetary mass (5 times the mass of Jupiter) and the first image of a planetary mass companion in a different system than our own. This discovery offers new perspectives for our understanding of chemical and physical properties of planetary mass objects as well as their mechanisms of formation.

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Journal keyword(s):

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* AB Dor TT* 05 28 44.8712165880 -65 26 55.199147208 8.259 7.856 6.999 6.496 5.993 K0V 1021 0
2 NAME TW Hya Association As* 11 01.9 -34 42           ~ 942 0
3 TWA 27 LM* 12 07 33.4675524840 -39 32 54.016625184     19.95 17.99 15.88 M8IVe 338 0
4 TWA 27B BD* 12 07 33.50 -39 32 54.4           L3 281 0
5 NAME Lower Centaurus Crux As* 12 19 -57.1           ~ 477 1
6 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
7 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1330 1

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