X-ray and IR study of Rho Oph dark cloud (Grosso+, 2000)

Details X-ray and IR study of Rho Oph dark cloud (Grosso+, 2000) X-ray and IR study of Rho Oph dark cloud (Grosso+, 2000)

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..33590113g&link_type=abstract

VizieR On-line Data Catalog: J/A+A/359/113. Originally published in: 2000A&A...359..113G

Physics

Molecular Clouds, X-Ray Sources, Infrared Sources

Scientific paper

We have obtained two deep exposures of the ρ Oph cloud core region with the ROSAT High Resolution Imager. The improved position accuracy (1"-6") with respect to previous recent X-ray observations (ROSAT PSPC, and ASCA) allows us to remove positional ambiguities for the detected sources. We also cross-correlate the X-ray positions with IR sources found in the ISOCAM survey of the same region at 6.7 and 14.3μm, in addition to sources (optical and IR) known from ground-based observations, which are young stars (T Tauri stars, with and without circumstellar disks, and protostars). We thus obtain the best-studied sample of X-ray emitting stars in a star-forming region (63 X-ray sources detected, and 55 identified). (3 data files).

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