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2005 The Astronomical Journal 129 610-614 doi: 10.1086/427133
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ABSTRACT.
We present searches for molecular gas (CO, OH, CS, and NH3) in six gigahertz-peaked spectrum (GPS) radio sources. We do not detect gas in any source and place upper limits on the mass of molecular gas that are generally in the range from ~109 to a few times 1010 M
. These limits are consistent with the following interpretations: (1) GPS sources do not require very dense gas in their hosts, and (2) the GPS sources are unlikely to be confined by dense gas and will evolve to become larger radio sources.
Key words: galaxies: active; galaxies: ISM; radio lines: galaxies
Print publication: Issue 2 (2005 February) |
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