========================================================================== J/A+A/533/A121 Missing low-mass stars in S254-S258 (Mucciarelli+, 2011) The following files can be converted to FITS (extension .fit or fit.gz) table2.dat table3.dat table5.dat ========================================================================== Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/A+A/533/A121 ==========================================================================
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Beginning of ReadMe : J/A+A/533/A121 Missing low-mass stars in S254-S258 (Mucciarelli+, 2011) ================================================================================ Revealing the "missing" low-mass stars in the S254-S258 star forming region by deep X-ray imaging. Mucciarelli P., Preibisch T., Zinnecker H. <Astron. Astrophys. 533, A121 (2011)> =2011A&A...533A.121M ================================================================================ ADC_Keywords: Stars, pre-main sequence ; YSOs ; Protostars ; X-ray sources Keywords: stars, formation - stars: pre-main-sequence - open clusters and associations: individual: individual: S254-S258 - X-ray: stars Abstract: The aim of this study was to find an explanation for the remarkable morphology of the central part of the S254-S258 star forming complex. We performed a deep Chandra X-ray observation of the S254-S258 region in order to efficiently discriminate young stars (with and without circumstellar matter) from the numerous older field stars in the area. We detected 364 X-ray point sources in a 17'x17' field. This X-ray catalog provides, for the first time, a complete sample of all young stars in the region down to about 0.5M_sun_.
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