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Variability of the Radio Nucleus of the Galaxy M81

Published online by Cambridge University Press:  12 April 2016

M. F. Bietenholz
Affiliation:
Department of Physics and Astronomy, York University, Ontario, Canada
N. Bartel
Affiliation:
Department of Physics and Astronomy, York University, Ontario, Canada
M. P. Rupen
Affiliation:
National Radio Astronomy Observatory, Socorro, NM 87801, U.S.A.

Abstract

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We report on VLA and VLBI observations of the nucleus of the nearby spiral galaxy M81. The VLA observations show the flux density of the nucleus to be variable by 50%. The VLBI observations indicate that the structure of the nucleus of M81 is somewhat variable on timescales of weeks.

Type
Research Article
Copyright
Copyright © Astronomical Society of the Pacific 1998

References

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