Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....106..455k&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 106, no. 2, p. 455-465.
Astronomy and Astrophysics
Astronomy
15
Astronomical Photography, Faint Object Camera, Galactic Evolution, Hubble Space Telescope, Radio Galaxies, Radio Sources (Astronomy), Astronomical Photometry, Faint Objects, Morphology, Sky Brightness, Slits
Scientific paper
Images 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.
Keel William C.
Windhorst Rogier A.
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