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Electric vector rotations of π/2 in polarized circumstellar SiO maser emission
A. J. Kemball, P. J. Diamond, L. Richter +2
This paper examines the detailed sub-milliarcsecond polarization properties of an individual SiO maser feature displaying a rotation in polarization electric vector position angle…
Resolution of the Compact Radio Continuum Sources in Arp220
Fabien Batejat, John E. Conway, Rossa Hurley +4
We present 2 cm and 3.6 cm wavelength very long baseline interferometry images of the compact radio continuum sources in the nearby ultra-luminous infrared galaxy Arp220. Based on…
High Velocity Precessing Jets from the Water Fountain IRAS 18286-0959 Revealed by VLBA Observations
Bosco Yung, Jun-ichi Nakashima, Hiroshi Imai +3
We report the results of multi-epoch VLBA observations of the 22.2GHz water maser emission associated with the "water fountain" IRAS 18286-0959. We suggest that this object is the…
The 43GHz SiO maser in the circumstellar envelope of the AGB star R Cassiopeiae
K. A. Assaf, P. J. Diamond, A. M. S. Richards +1
We present multi-epoch, total intensity, high-resolution images of 43GHz, v=1, J=1-0 SiO maser emission toward the Mira variable R Cas. In total we have 23 epochs of data for R Cas…