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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

References

Greenhill, L.J., et al. 1995a. ApJ, 440, 619–627.CrossRefGoogle Scholar
Greenhill, L.J., et al. 1995b. A&A, 304, 21–33.Google Scholar
Herrnstein, J.R. 1997. Ph.D. Thesis, Harvard University.Google Scholar
Herrnstein, J.R., et al. 1997. ApJ, 475, L17–20.CrossRefGoogle Scholar
Herrnstein, J.R., Greenhill, L.J., & Moran, J.M. 1996. ApJ, 468, L17–20.CrossRefGoogle Scholar
Miyoshi, M., et al. 1995. Nature, 373, 127–129.CrossRefGoogle Scholar
Moran, J.M., et al. 1995. Proc. Natl. Acad. Sci. USA, 92, 11427–11437.CrossRefGoogle Scholar
Nakai, N., et al. 1995. PASJ, 47, 771–799.Google Scholar
Nakai, N., Inoue, M., & Miyoshi, M. 1993. Nature, 361, 45–47.CrossRefGoogle Scholar
Watson, W.D., & Wallin, B.K. 1994. ApJ, 432, L35–38.CrossRefGoogle Scholar