Emission-Line Imaging of 3CR Radio Galaxies. I. Imaging Data

Details Emission-Line Imaging of 3CR Radio Galaxies. I. Imaging Data Emission-Line Imaging of 3CR Radio Galaxies. I. Imaging Data

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apjs...99...27m&link_type=abstract

Astrophysical Journal Supplement v.99, p.27

Astronomy and Astrophysics

Astronomy

100

Galaxies: Structure, Ultraviolet: Galaxies

Scientific paper

We present emission-line and continuum images of a sample of 53 3CR radio galaxies with 0.05 < z < 2.0. Each object was imaged in one of the following emission lines: Hα, [O III] λ5007, [O II] λ3727, or Lyα. The visible continuum, emission-line, and radio morphologies of each object are described. The galaxies show a wide range of structures on scales ranging from subkiloparsec circumnuclear emission-line regions to 300 kpc nebulae. For z > 0.3 nearly all of the emission-line regions are aligned with their radio source axes. At redshifts greater than ~0.6 the optical/UV continua show a strong alignment with the radio axes. All of the emission-line regions show a strong correlation with the arm-length asymmetry of their radio source. The data presented here are analyzed in Paper II.

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