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Title:
Molecular gas in powerful radio galaxies detected by IRAS
Authors:
Mazzarella, J. M.; Graham, J. R.; Sanders, D. B.; Djorgovski, S.
Affiliation:
AA(JPL, Pasadena, CA), AB(California Inst. of Technology, Pasadena; California Univ., Berkeley), AC(Hawaii Univ., Honolulu), AD(California Inst. of Technology, Pasadena)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 409, no. 1, p. 170-178. (ApJ Homepage)
Publication Date:
05/1993
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
CARBON MONOXIDE, INFRARED ASTRONOMY SATELLITE, INTERSTELLAR MATTER, MOLECULAR GASES, RADIO GALAXIES, ELLIPTICAL GALAXIES, INFRARED SOURCES (ASTRONOMY), INTERACTING GALAXIES, RADIO SPECTRA
DOI:
10.1086/172653
Bibliographic Code:
1993ApJ...409..170M

Abstract

The present CO(J = 1 to 0) line survey of powerful radio galaxies has led to the detection of five sources in eight IRAS-determined radio galaxies. The range of the computed molecular gas masses is 1-7 times the H2 mass of the Milky Way and strikingly contrasts with the low molecular gas masses found in radio-quiet FIR-selected elliptical galaxies. These new CO observations lend support to the hypothesis that powerful radio galaxies result from disk galaxy collisions that evolve into gas-rich, peculiar E/S0 galaxies in the course of their merging.

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