SIMBAD references

1997A&AS..124..449M - Astron. Astrophys., Suppl. Ser., 124, 449-467 (1997/September-0)

Search for young low-mass stars in a ROSAT selected sample south of the Taurus-Auriga molecular clouds.

MAGAZZU A., MARTIN E.L., STERZIK M.F., NEUHAEUSER R., COVINO E. and ALCALA J.M.

Abstract (from CDS):

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.

Abstract Copyright:

Journal keyword(s): stars: formation - stars: late-type - stars: pre-main sequence - X-rays: stars

VizieR on-line data: <Available at CDS (J/A+AS/124/449): table1 table2 table3 table4 tables.tex>

Nomenclature: Table 2: [MMS97] RX JHHMM.m+DDMMA, [MMS97] RX JHHMM.m+DDMMW, [MMS97] RX JHHMM.m+DDMMWW, N=31

Simbad objects: 140

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