2002A&A...394..219C


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.02CET12:35:52

2002A&A...394..219C - Astronomy and Astrophysics, volume 394, 219-223 (2002/10-4)

No disk needed around HD 199143B.

CHAUVIN G., FUSCO T., LAGRANGE A.-M., MOUILLET D., BEUZIT J.-L., THOMSON M., AUGEREAU J.-C., MARCHIS F., DUMAS C. and LOWRANCE P.

Abstract (from CDS):

We present new, high angular resolution images of HD 199143 in the Capricornus association, obtained with the adaptive optics system ADONIS+SHARPII at the ESO 3.6m Telescope of La Silla Observatory. HD 199143 and its neighbour star HD 358623 (separation ∼5' away) have previously been imaged with adaptive optics. For each star, a companion has been detected in the J and K bands at respective separations of 1.1'' and 2.2'' (Jayawardhana & Brandeker, 2001ApJ...561L.111J). Our new photometry of HD 199143 B suggests that it is a M2 star and that the presence of circumstellar dust proposed by van den Ancker et al. (2000A&A...363L..25V) is no longer necessary. We show that the 12µm flux detected by IRAS previously interpreted as an IR excess, can be explained by the presence of the late-type companion.

Abstract Copyright:

Journal keyword(s): stars: imaging - binaries: general - stars: low-mass, brown dwarfs - stars: pre-main sequence

CDS comments: S055D = GSPC S 55-D, S294D = GSPC S294-D, S209D = GSPC S209-D.

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 - 2021
#notes
1 NAME Tuc Moving Group MGr 00 00 -64.0           ~ 67 0
2 TYC 7525-956-1 * 00 33 15.0291938272 -39 24 10.377489334   12.17 11.55     ~ 9 0
3 2MASS J04181893-6927346 * 04 18 18.9429767005 -69 27 34.817025027           ~ 10 0
4 GSPC S209-D * 08 01 15.4 -50 19 33           ~ 5 0
5 NAME TW Hya Association As* 11 01.9 -34 42           ~ 839 0
6 HD 198420 PM* 20 50 54.1453902707 -21 18 44.454171551   7.57 7.13     F5V 23 0
7 HD 199143B * 20 55 47.67 -17 06 50.0           M2 4 0
8 HD 199143 PM* 20 55 47.6748980673 -17 06 51.062191525   7.84 7.32 8.29   F8V 110 0
9 HD 358623 BY* 20 56 02.738688 -17 10 53.80428   11.603 10.625 10.18 8.847 K7 81 0

    Equat.    Gal    SGal    Ecl

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2021.03.02-12:35:52

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