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Small Satellite Probes of Spiral Galaxies

Published online by Cambridge University Press:  12 April 2016

Lance Erickson ,
Steve Gottesman  and
James Hunter
Lance Erickson
Affiliation:
Embry-Riddle University
Steve Gottesman
Affiliation:
University of Florida
James Hunter
Affiliation:
University of Florida

Abstract

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Small, bound satellites of larger spiral galaxies are employed in the determination of the statistical presence of mass beyond the rotation disk of the largest (primary) galaxy. Optical and neutral hydrogen data are combined to develop mass estimates using the small bound groups. The resulting distribution of the internal/external mass ratios provides limits on halo mass models, and a glimpse at this mass estimation technique.

Type
Part 5. Dark Matter and Clustering
Information
International Astronomical Union Colloquium , Volume 174: Small Galaxy Groups , 2000 , pp. 385 - 387
Copyright
Copyright © Astronomical Society of the Pacific 2000

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