uvby-β photometry of WTTS (Chavarria-K+, 2000)

Details uvby-β photometry of WTTS (Chavarria-K+, 2000) uvby-β photometry of WTTS (Chavarria-K+, 2000)

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..41450187c&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/145/187. Originally published in: 2000A&AS..145..187C

Physics

Stars: Pre-Main Sequence, X-Ray Sources, Photometry: Uvby: Beta

Scientific paper

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. (4 data files).

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