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NGC 185 and the extended Faber-Jackson relation

Published online by Cambridge University Press:  07 August 2017

Enrico V. Held ,
Tim de Zeeuw ,
Jeremy Mould  and
Alain Picard
Enrico V. Held
Affiliation:
Osservatorio Astronomico di Bologna
Tim de Zeeuw
Affiliation:
Sterrewacht Leiden
Jeremy Mould
Affiliation:
Palomar Observatory, Caltech
Alain Picard
Affiliation:
Palomar Observatory, Caltech

Extract

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It has recently been found that diffuse dwarf elliptical galaxies (dE), as well as low–luminosity normal ellipticals of relatively low surface–brightness, are supported by an anisotropic velocity distribution. New kinematic observations have been obtained of the dwarf elliptical galaxy NGC 185. The velocity dispersion is constant at 28 ± 8 km s–1 between 3″ and 40″, but may increase to about twice that value in the center. We find an upper limit of 10 km s–1 for the rotation along either axis, so that the velocity distribution is anisotropic. The derived M/LB is ~ 3 in solar units.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 429
Copyright
Copyright © Kluwer