Survey of water vapor sources in the southern hemisphere

Details Survey of water vapor sources in the southern hemisphere Survey of water vapor sources in the southern hemisphere

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..577k&link_type=abstract

Astronomical Journal, vol. 82, Aug. 1977, p. 577-586. Conselho Nacional de Pesquisas

Astronomy and Astrophysics

Astronomy

28

Interstellar Masers, Magellanic Clouds, Water Masers, Water Vapor, Galactic Radio Waves, H Ii Regions, Hydroxyl Emission, Nebulae, Southern Hemisphere

Scientific paper

An extensive low-flux-limit survey of Southern Hemisphere celestial water vapor sources has been carried out. Observations were made at 115 different potential source positions, with upper limits for line detection ranging from 7 to 80 Jy. Fifteen Galactic H2O masers were discovered, and one weak one was confirmed. Some of them were found in H II regions in which type-I OH emission has not yet been detected. A selection of H II regions observed in the Carina Nebula yielded negative results. A survey of H II regions in the Magellanic Clouds also yielded negative results for the presence of very strong H2O emitters.

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