Missing low-mass stars in S254-S258 : J/A+A/533/A121

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Authors : Mucciarelli P. orcid , Preibisch T., Zinnecker H. (hide) , Preibisch T., Zinnecker H. et..al

VizieR DOI : 10.26093/cds/vizier.35330121
Bibcode : 2011A&A...533A.121M (ADS) (Simbad) (Objects)
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CDS Keywords : Stars, pre-main sequence; YSOs; Protostars; X-ray sources
UAT : Pre-main sequence stars, Young stellar objects, Protostars, X-ray sources

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Inserted into VizieR : 13-Sep-2011
Last modification : 06-Jul-2017

Revealing the "missing" low-mass stars in the S254-S258 star forming region by deep X-ray imaging. (2011)

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}_. ...(more)
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Astronomy and Astrophysics policies
P. Mucciarelli, pmuccia(at)usm.uni-muenchen.de

                


                

                    

                


                

                    

                


                

                    
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