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Structural and dynamical forms of elliptical and dwarf galaxies

Djorgovski, S. (1994) Structural and dynamical forms of elliptical and dwarf galaxies. In: Ergodic Concepts in Stellar Dynamics. Lecture Notes in Physics. No.430. Springer , Berlin, pp. 3-21. ISBN 978-3-540-57929-8. https://resolver.caltech.edu/CaltechAUTHORS:20190724-085714246

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Abstract

This review discusses two intriguing problems posed by observations of early-type galaxies: First, the existence of a so-called fundamental plane of elliptical galaxies and its thickness impose strong constraints on their global dynamical structures, stellar populations, and the relation of dark to visible matter in them. Second, the prevalence of extreme core-halo structures among the nucleated dwarf galaxies. Finally, some general remarks are made about the standard density forms of galactic subsystems, including dark halos. These empirical findings provide strong constraints and valuable clues for models of galaxy formation. They may point towards the existence of preferred dynamical structures in galaxies, perhaps globally stable or maximum entropy states, reached through different formative histories.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/BFb0058086DOIArticle
https://rdcu.be/b37ujPublisherFree ReadCube access
ORCID:
AuthorORCID
Djorgovski, S.0000-0002-0603-3087
Additional Information:© 1994 Springer-Verlag. The author wishes to thank to the organizers of the conference for their hospitality and the saintly patience while waiting for this written contribution. This work was supported in part by the NASA AISRP contract NAS5-31348 and the NSF PYI award AST-9157412.
Funders:
Funding AgencyGrant Number
NASANAS5-31348
NSFAST-9157412
Subject Keywords:Dark Matter; Globular Cluster; Surface Brightness; Stellar Population; Dwarf Galaxy
Series Name:Lecture Notes in Physics
Issue or Number:430
Record Number:CaltechAUTHORS:20190724-085714246
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190724-085714246
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97383
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Jul 2019 16:22
Last Modified:12 May 2020 21:59

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