Discovery of seven nearby T Tauri stars in the TW Hydrae Association

Details Discovery of seven nearby T Tauri stars in the TW Hydrae Association Discovery of seven nearby T Tauri stars in the TW Hydrae Association

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...192.1007w&link_type=abstract

American Astronomical Society, 192nd AAS Meeting, #10.07; Bulletin of the American Astronomical Society, Vol. 30, p.828

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We report the discovery of five new T Tauri star systems, two of which are binary, in the vicinity of the nearest known region of recent star formation, the TW Hydrae Association. The locations, kinematics and characteristics of youth, such as high x-ray luminosity, strong Hα emission & Li I (6708 Angstroms ) absorption, strongly suggest that the seven components are indeed new members of the Association. This discovery doubles the known membership and points to a common origin for this mysterious group of young stars far from any known molecular cloud. At an age of ~ 20 Myr and a distance of only 50 pc, the stars in this cluster are excellent candidates for future studies of circumstellar disk dissipation, planetary system formation and the star formation history of the solar neighborhood.

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