Membership of the Orion nebula population (Getman+, 2005)

Details Membership of the Orion nebula population (Getman+, 2005) Membership of the Orion nebula population (Getman+, 2005)

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ycat..21600353g&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/160/353. Originally published in: 2005ApJS..160..353G

Computer Science

Clusters: Open, Stars: Pre-Main Sequence, X-Ray Sources, Infrared Sources

Scientific paper

The Chandra Orion Ultradeep project (COUP) observation described in a companion paper by Getman et al. (2005, Cat. J/ApJS/160/319) provides an exceptionally deep X-ray survey of the Orion Nebula Cluster and associated embedded young stellar objects. Membership of the region is important for studies of the stellar IMF, cluster dynamics, and star formation. The COUP study detected 1616 X-ray sources. In this study we confirm cloud membership for 1315 stars, identify 16 probable foreground field stars having optical counterparts with discrepant proper motions, and classify the remaining 285 X-ray sources, of which 51 are lightly and 234 heavily obscured.
(4 data files).

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