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COUP census of X-ray stars in BN-KL and OMC-1S | | N. Grosso
; E.D. Feigelson
; K.V. Getman
; L. Townsley
; P. Broos
; E. Flaccomio
; M.J. McCaughrean
; G. Micela
; S. Sciortino
; J. Bally
; N. Smith
; A.A. Muench
; G.P. Garmire
; F. Palla
; | | Date: |
8 Apr 2005 | | Subject: | astro-ph | | Affiliation: | 4,5), G. Micela , S. Sciortino , J. Bally , N. Smith , A.A. Muench , G.P. Garmire , F. Palla ( Laboratoire d’Astrophysique de Grenoble, Pennsylvania State Univ., Osservatorio Astronomico di Palermo, Univ. of Exeter, AIP, Center for Astroph | | Abstract: | We present a study of the X-ray sources detected in the vicinity of two density peaks in the Orion Molecular Cloud 1 (OMC-1) behind the Orion Nebula Cluster (ONC), as seen in the exceptionally deep (~10 days) exposure of the Chandra Orion Ultradeep Project (COUP). We focus on a 40"*50" region around the Becklin-Neugebauer object and Kleinmann-Low nebula (collectively BN-KL) and a 60"*75" region around OMC-1S, a secondary star-forming peak some 90" south of BN-KL. Forty-three and sixty X-ray sources were detected in BN-KL and OMC-1S, respectively, of which half and one-third, respectively, were found to be foreground members of the ONC, while the remaining sources are identified as obscured X-ray sources with column densities 22 | | Source: | arXiv, astro-ph/0504204 | | Services: | Forum | Review | PDF | Favorites | |
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