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Published October 13, 1986 | Version Published
Book Section - Chapter Open

Enhancement Of Features In Galaxy Images

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  • 1. ROR icon Harvard-Smithsonian Center for Astrophysics

Contributors

Abstract

I describe and compare several image enhancement techniques, useful for morphological analysis of galaxian (or cometary) images. Such techniques can be used to search for, and investigate the properties of dust lanes, stellar disks or rings, jets, shells, tidal distortions, etc. Applications of the techniques are illustrated on CCD images of the peculiar galaxy Arp 230; this object has a rich morphology, indicative of a merger of two disk galaxies.

Additional Information

© 1986 Society of Photo-Optical Instrumentation Engineers (SPIE). This paper was completed during my stay at the Astronomy Department, University of California at Berkeley, whose hospitality and stimulative atmosphere I gratefully acknowledge. The data on Arp 230 were obtained in collaboration with Ivan King, whose NASA contract NAS5-28086 financed the computing. The data were obtained at the Cero Tololo Interamerican Observatory, which is operated by Aura, Inc., under a contract with the NSF. I thank Patricio Ugarte for assistance at the telescope, and Carl Vuosalo and Abe Oren for help with CCD data processing. The elliptical galaxy modeling routine was written by Tod Lauer. I acknowledge a partial support from the Harvard College Observatory, and the Society of Fellows, Harvard University.

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Identifiers

Eprint ID
97347
Resolver ID
CaltechAUTHORS:20190723-090635359

Funding

NASA
NAS5-28086
Association of Universities for Research in Astronomy (AURA)
NSF
Harvard University

Dates

Created
2019-07-23
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Updated
2021-11-16
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Caltech Custom Metadata

Series Name
Proceedings of SPIE
Series Volume or Issue Number
627