Hydroxyl in galaxies. I - Surveys with the NRAO 300 FT telescope

Details Hydroxyl in galaxies. I - Surveys with the NRAO 300 FT telescope Hydroxyl in galaxies. I - Surveys with the NRAO 300 FT telescope

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103..728b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 103, March 1992, p. 728-742.

Astronomy and Astrophysics

Astronomy

32

Astronomical Catalogs, Hydroxyl Emission, Infrared Spectra, Sky Surveys (Astronomy), Telescopes, Far Infrared Radiation, Global Positioning System, Interstellar Masers, Red Shift

Scientific paper

Results are presented of a search for 1667- and 1665-MHz mainline OH transitions for 321 galaxies, which were observed during four separate sessions at the NRAO 300-ft telescope in the period 1984-1987. Three detections of OH megamasers are reported, as well as detections of three new OH absorption sources. The observational sample contains sources from a variety of catalogs and represents different criteria. The results for the whole sample confirm that FIR luminosity and color criteria used for these surveys are indeed optimized for finding megamasers. The results also confirm that detecting distant high luminosity OH megamasers is considerably more successful than finding nearby weak masers.

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