Young stars south of Taurus-Auriga (Magazzu+ 1997)

Details Young stars south of Taurus-Auriga (Magazzu+ 1997) Young stars south of Taurus-Auriga (Magazzu+ 1997)

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..41240449m&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/124/449. Originally published in: 1997A&AS..124..449M

Computer Science

X-Ray Sources, Stars: Pre-Main Sequence, Magnitudes

Scientific paper

We present results of intermediate resolution spectroscopy of 131 optical counterparts to 115 ROSAT All-Sky Survey X-ray sources south of the Taurus-Auriga dark cloud complex. These objects have been selected as candidate young stars from a total of 1084 ROSAT sources in a ~300 square degree area. We identify 30 objects as low-mass PMS stars on the basis of the LiIλ6708Å doublet in their spectrum, a signature of their young age. All these stars have a spectral type later than F7 and show spectral characteristics typical of weak-line and post-T Tauri stars. The presence of young objects several parsecs away from the regions of ongoing star formation is discussed in the light of the current models of T Tauri dispersal. (4 data files).

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