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4C 41.17 - A radio galaxy at a redshift of 3.8
Chambers, K. C.; Miley, G. K.; van Breugel, W. J. M.
AA(Space Telescope Science Institute; Johns Hopkins University, Baltimore, MD), AB(Space Telescope Science Institute, Baltimore, MD; Leiden, Rjiksuniversiteit, Sterrewacht, Netherlands), AC(Lawrence Livermore National Laboratory, Livermore, CA)
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 363, Nov. 1, 1990, p. 21-39. Research supported by NATO. (ApJ Homepage)
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NASA/STI Keywords:
Galactic Structure, Radio Galaxies, Red Shift, Astronomical Spectroscopy, Emission Spectra, Polarization Characteristics, Radio Jets (Astronomy), Radio Spectra, Spectral Energy Distribution
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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.

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