Evidence of Stellar-driven Outflows from the Classical T Tauri Star RY Tau | Zendy

Ana I. Gómez de Castro | Zendy; E. Verdugo | Zendy

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Evidence of Stellar-driven Outflows from the Classical T Tauri Star RY Tau

Author(s) -

Ana I. Gómez de Castro,

E. Verdugo

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/510849

Subject(s) - astrophysics , physics , t tauri star , star (game theory) , thermal wind , magnetohydrodynamics , plasma , wind speed , stars , wind profile power law , meteorology , quantum mechanics

RY Tau is a rapidly rotating Classical T Tauri star observed close toedge-on. The combination of new HST/STIS observations obtained in 2001 withHST/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. Therepeated observations of the Si III] and C III] lines show a lack of changeswith 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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