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.

Abstract Copyright:

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 - 2022
#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 981 0
2 NAME TW Hya Association As* 11 01.9 -34 42           ~ 895 0
3 TWA 27 LM* 12 07 33.4675524840 -39 32 54.016625184     19.95 17.99 15.88 M8IVe 325 0
4 TWA 27B BD* 12 07 33.50 -39 32 54.4           L3 262 0
5 NAME Lower Centaurus Crux As* 12 19 -57.1           ~ 420 1
6 NAME Upper Sco Association As* 16 12 -23.4           ~ 1216 1
7 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1245 1

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2022.09.26-03:19:26

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