The symmetry, color and morphology of galaxies in the Hubble Deep Field | Zendy

Christopher J. Conselice | Zendy; Matthew A. Bershady | Zendy

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The symmetry, color and morphology of galaxies in the Hubble Deep Field

Author(s) -

Christopher J. Conselice,

Matthew A. Bershady

Publication year - 1999

Publication title -

astrophysics

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1063/1.58605

Subject(s) - physics , astrophysics , hubble deep field , asymmetry , peculiar galaxy , galaxy , elliptical galaxy , lenticular galaxy , hubble sequence , galaxy merger , astronomy , hubble space telescope , quantum mechanics

We present a new method of utilizing the color and asymmetry values forgalaxies in the Hubble Deep Field to determine both their morphologicalfeatures and physical parameters. By using a color-asymmetry diagram, we showthat various types of star-forming galaxies (e.g. irregular versus interacting,peculiar galaxies) can be distinguished in local samples. We apply the samemethods to the F814W images of the Hubble Deep Field, and show preliminaryresults indicating that galaxy mergers and interactions are the dominateprocess responsible for creating asymmetries in the HDF galaxies.Comment: 5 Pages with 1 figure; To appear in "After the Dark Ages: When Galaxies were Young", proceedings of the 9th annual October Astrophysics Conference, ed. S. Holt and E. Smit

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