4C 41. 17 - A radio galaxy at a redshift of 3. 8

Observations, comprising radio imaging at three frequencies, optical broadband and narrow-band imaging, optical spectroscopy, and K-band IR imaging, of a distant radio source, 4C 41.17, are presented. It is shown that 4C 41.17 is associated with an extended source of optical and IR emission at a red...

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Bibliographic Details
Published inThe Astrophysical journal Vol. 363
Main Authors Chambers, K.C., Miley, G.K., Van Breugel, W.J.M.
Format Journal Article
LanguageEnglish
Published United States 01.11.1990
Subjects
640105 - Astrophysics & Cosmology- Galaxies
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COSMIC RADIO SOURCES
ELECTROMAGNETIC RADIATION
EMISSION SPECTRA
ENERGY SPECTRA
FLUIDS
GALAXIES
GASES
INFRARED RADIATION
IONIZED GASES
MORPHOLOGY
PLASMA JETS
POLARIZATION
RADIATIONS
RADIO GALAXIES
RADIOWAVE RADIATION
RED SHIFT
SPECTRA
SPECTROSCOPY
STAR EVOLUTION
VISIBLE SPECTRA
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Summary:Observations, comprising radio imaging at three frequencies, optical broadband and narrow-band imaging, optical spectroscopy, and K-band IR imaging, of a distant radio source, 4C 41.17, are presented. It is shown that 4C 41.17 is associated with an extended source of optical and IR emission at a redshift of 3.8. The morphological similarities between the radio source and the ionized gas and optical/IR continua suggest that the radio source is interacting vigorously with the galaxy. Various mechanisms for producing the optical/IR emission in 4C 41.17 are considered. It is concluded that a large fraction of the spectral energy distribution is from stars, and that the star formation induced by the radio source is the likely mechanism to account for the radio/optical alignment. 89 refs.
ISSN:0004-637X
1538-4357
DOI:10.1086/169316