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Deep Hubble Space Telescope imaging of 53W044 - An S0 radio galaxy at z = 0.311Images of the Wide Field Camera (WFC) and Faint-Object Camera (FOC) of the radio galaxy 53W044 are presented. The WFC images are used to examine the structure of the galaxy, and show evidence for a significant disk, on the basis of which 53W044 is classified as an S0. This radio galaxy is near the maximum radio power associated with sources in S0 host galaxies. The FOC image is combined with ground-based spectroscopy to study 53W044's stellar population, which appears normal for an E/S0 galaxy of modest luminosity. No evidence is found for a significant contribution from a nuclear blue-continuum source, and the stellar population is old with a continuum level at 2100 A, consistent with what is seen in nearby radio galaxies.
Document ID
19930066907
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Keel, William C.
(Alabama Univ. Tuscaloosa, United States)
Windhorst, Rogier A.
(Arizona State Univ. Tempe, United States)
Date Acquired
August 16, 2013
Publication Date
August 1, 1993
Publication Information
Publication: Astronomical Journal
Volume: 106
Issue: 2
ISSN: 0004-6256
Subject Category
Astrophysics
Accession Number
93A50904
Funding Number(s)
CONTRACT_GRANT: NSF AST-88-21016
CONTRACT_GRANT: NAS5-26555
CONTRACT_GRANT: NSF EHR-91-08761
Distribution Limits
Public
Copyright
Other

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