An XMM-Newton observation of the very young open cluster NGC 6383

[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 :

Pages :

925-U15

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://www.aanda.org/index.php?option=article&access=bibcode&bibcode=2003A%2526A...407..925RFUL

Available on ORBi :

since 18 December 2008

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