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Kinematics and Parameters of the Gas in the Vicinity of TW Hya

Lamzin, S. A.; Kravtsova, A. S.; Romanova, M. M. +1 more

The following conclusions about the kinematics and parameters of the gas in the vicinity of TW Hya have been drawn from an analysis of optical and ultraviolet line profiles and intensities. The accreting matter rises in the magnetosphere to a distance z>R_* above the disk plane and falls to the star near its equator almost perpendicul…