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Proper Motions and Jets in NGC 4258: Further Evidence for a Sub-Parsec Nuclear Disk

Published online by Cambridge University Press:  12 April 2016

J. R. Herrnstein
J. R. Herrnstein*
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA

Abstract

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The evidence for a subparsec-scale disk in the nucleus of NGC 4258 is reviewed in the context of multi-epoch VLBA observations. The detection of jet continuum emission and of maser proper motions in these data bolster the case for a nuclear disk.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 164: Radio Emission from Galactic and Extragalactic Compact Sources , 1998 , pp. 213 - 216
Copyright
Copyright © Astronomical Society of the Pacific 1998

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