Article (Scientific journals)
An XMM-Newton observation of the very young open cluster NGC 6383
Rauw, Grégor; De Becker, Michaël; Gosset, Eric et al.
2003In Astronomy and Astrophysics, 407 (3), p. 925-U15
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Keywords :
stars : pre-main sequence; X-rays : stars; open clusters and associations : individual : NGC 6383; stars : early-type
Abstract :
[en] We report the detection of a number of X-ray sources associated with the very young open cluster NGC6383. About two thirds of these objects are correlated with a rather faint optical source and all but one have at least one infrared counterpart within a correlation radius of 8 arcsec. Although NGC6383 is not associated with a prominent star forming region, the overall properties of many of the X-ray sources suggest that they may be candidates for low-mass pre-main sequence stars. The number of X-ray sources increases towards the cluster center suggesting that there exists a close relation between the massive O-star binary system HD159176 in the cluster core and the population of X-ray bright low-mass objects in NGC 6383.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Rauw, Grégor  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
De Becker, Michaël  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
Gosset, Eric ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
Pittard, J. M.
Stevens, I. R.
Language :
English
Title :
An XMM-Newton observation of the very young open cluster NGC 6383
Publication date :
September 2003
Journal title :
Astronomy and Astrophysics
ISSN :
0004-6361
eISSN :
1432-0746
Publisher :
E D P Sciences, Les Ulis Cedexa, France
Volume :
407
Issue :
3
Pages :
925-U15
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 18 December 2008

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