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Testing the Merger Hypothesis of Powerful Radio Galaxies

Published online by Cambridge University Press:  25 May 2016

Aaron S. Evans ,
D.B. Sanders  and
Joseph M. Mazzarella
Aaron S. Evans
Affiliation:
Caltech, California, USA
D.B. Sanders
Affiliation:
Institute for Astronomy, Hawaii, USA
Joseph M. Mazzarella
Affiliation:
IPAC-Caltech, California, USA

Extract

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We present K′-band imaging and millimeter (CO) spectroscopy of a 60 and 100 μm flux-limited sample of 35 low redshift, powerful radio galaxies (LzPRGs: P178MHz > 1023.5 W Hz−1 and 0.01 < z < 0.22). These observations are being obtained to test the hypothesis that the radio activity in LzPRGs is triggered by the merger of gas-rich galaxies, as well as to look for evolutionary correlations between the degree of irregularity in the K′-band morphologies, the amount of star-forming molecular gas, and the radio morphologies.

Type
Nuclear Activity
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 353
Copyright
Copyright © Kluwer 1999