Is the Outflow from RT Vir Bipolar or Rotating
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Author
Yates, J.A.
Richards, A.M.S.
Gledhill, T.
Bains, I.
Attention
2299/1440
Abstract
We present high angular resolution observations of H2O maser proper motions in the circumstellar envelope of the semi-regular variable RT Vir. The MERLIN observations, at 12-mas angular resolution, were used to map H2O maser emission at ~2 week intervals over 10 weeks in 1996, during which period the brightness distribution changed markedly.