SIMBAD references

2000A&AS..145..187C - Astron. Astrophys., Suppl. Ser., 145, 187-195 (2000/August-0)

Photometric observations of weak-line T Tauri stars. II. WTTS in Taurus-Auriga, Orion and Scorpius OB2-2.

CHAVARRIA-K. C., TERRANEGRA L., MORENO-CORRAL M.A. and DE LARA E.

Abstract (from CDS):

We present uvby-β photometry of 116 X-ray flux-selected active stars in the directions of the Orion (40), Taurus-Auriga (58) and Scorpius OB2-2 (18) star forming regions. Additionally, we give near IR JHK photometry of 20 active stars in the Taurus-Auriga direction. The program stars were selected from the ROSAT All Sky Survey and EINSTEIN X-ray surveys and are spectroscopically confirmed weak-line T Tauri stars and weak-line T Tauri star candidates. The photometry confirms the young nature of the program stars and also indicates that a significant fraction of the sample could be foreground objects. The data given here probably represent the largest homogeneous uvby-β photometric sample of new WTTS and WTTS candidates. Many objects in the sample are observed photometrically for the first time.

Abstract Copyright:

Journal keyword(s): stars: activity - stars: evolution - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/A+AS/145/187): table1.dat table2.dat table3.dat table4.dat>

Simbad objects: 119

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