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SiO Maser Observations - VLBI and Polarimetry

Published online by Cambridge University Press:  03 August 2017

G.C. McIntosh ,
C. R. Predmore ,
J. M. Moran ,
L. J. Greenhill ,
M. J. Reid ,
A.E.E. Rogers  and
R. E. Barvainis
G.C. McIntosh
Affiliation:
University of Massachusetts
C. R. Predmore
Affiliation:
University of Massachusetts
J. M. Moran
Affiliation:
Harvard-Smithsonian Center for Astrophysics
L. J. Greenhill
Affiliation:
Harvard-Smithsonian Center for Astrophysics
M. J. Reid
Affiliation:
Harvard-Smithsonian Center for Astrophysics
A.E.E. Rogers
Affiliation:
Haystack Observatory
R. E. Barvainis
Affiliation:
National Radio Astronomy Observatory

Abstract

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The spatial distribution and polarization characteristics of the SiO (v=1, J=1-0) maser emission from several late type stars have been observed. The spatial distribution, derived from VLBI observations, generally shows a number of emitting regions but no clear velocity pattern or geometry. Some of these regions have well defined polarization characteristics. The results of high spatial resolution polarization measurements of RCas are similar to the lower spatial resolution polarimetry performed on this source.

Type
Galactic
Information
Symposium - International Astronomical Union , Volume 129: The Impact of VLBI on Astrophysics and Geophysics , 1988 , pp. 259 - 260
Copyright
Copyright © Reidel 1988 

References

McIntosh, G.C. 1987, Ph. D. Dissertation, Univ. of Massachusetts.Google Scholar