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NGC 205 and the Nature of Compact Nuclei in Dwarf Galaxies

Djorgovski, S. and Bendinelli, O. and Parmeggiani, G. and Zavatti, F. (1992) NGC 205 and the Nature of Compact Nuclei in Dwarf Galaxies. In: Morphological and Physical Classification of Galaxies. Astrophysics and Space Science Library. No.178. Springer , Dordrecht, pp. 439-440. ISBN 978-94-010-5113-2.

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Compact nuclei are both a ubiquitous and a striking feature in low-surface brightness dwarf galaxies, sometimes containing a large fraction of the total light. Yet, their nature and origin are still a mystery. Spectroscopic and photometric observations suggest that the nuclei contain an intermediate-age stellar population. Their structural and dynamical parameters are still very poorly known, due to their compactness: essentially all an unresolved. The Local Group dwarf galaxy NGC 205 contains the nearest, albeit an unimpressive and relatively faint example. Even in this nearby case, the nucleus is almost unresolved, making the estimates of its structural and dynamical parameters difficult. The situation can be helped somewhat by seeing deconvolution.

Item Type:Book Section
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Djorgovski, S.0000-0002-0603-3087
Additional Information:© 1992 Springer Science+Business Media Dordrecht. SD acknowledges a travel grant from the AAS, a partial support from the Alfred P. Sloan Foundation, and the cordial hospitality of Dipartimento di Astronomia, Università di Bologna.
Funding AgencyGrant Number
American Astronomical SocietyUNSPECIFIED
Alfred P. Sloan FoundationUNSPECIFIED
Subject Keywords:Dynamical Parameter; Globular Cluster; Dwarf Galaxy; Photometric Observation; Virgo Cluster
Series Name:Astrophysics and Space Science Library
Issue or Number:178
Record Number:CaltechAUTHORS:20190730-075849971
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97503
Deposited By: Tony Diaz
Deposited On:01 Aug 2019 20:38
Last Modified:16 Nov 2021 17:32

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