Evidence for stellar driven outflows from the Classical T Tauri star RY Tau

Details Evidence for stellar driven outflows from the Classical T Tauri star RY Tau Evidence for stellar driven outflows from the Classical T Tauri star RY Tau

2007-01-22

arxiv.org/abs/astro-ph/0701626v1

Astrophys.J.654:L91-L94,2007

Astronomy and Astrophysics

Astrophysics

11pages, 3 figures

Scientific paper

10.1086/510849

RY Tau is a rapidly rotating Classical T Tauri star observed close to edge-on. The combination of new HST/STIS observations obtained in 2001 with HST/GHRS Archive data from 1993 has allowed us to get, for the first time, information on the thermal structure and the velocity law of the wind. The repeated observations of the Si III] and C III] lines show a lack of changes with time in the blue side of the profile(dominated by the wind contribution). Very high temperature plasma (log Te = 4.8) is detected at densities of 9.5

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