A CO survey for high velocity gas in interstellar H2O maser sources.

Details A CO survey for high velocity gas in interstellar H2O maser sources. A CO survey for high velocity gas in interstellar H2O maser sources.

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998acaps..18..415w&link_type=abstract

Acta Astrophys. Sin., Vol. 18, No. 4, p. 415 - 418

Astronomy and Astrophysics

Astrophysics

2

Water Masers: Carbon Monoxide, Water Masers: Molecular Outflows, Water Masers: High-Velocity Gas

Scientific paper

Using the 13.7 m telescope of Joint Radio Lab. Purple Mountain Observatory Qinghai Station, a survey and a partial mapping with CO (J = 1-0) lines were made for 97 interstellar H2O maser sources in April 1997. Results for 81 sources are suitable for analyzing the activities of associated stellar objects. 33 sources have been identified to be molecular outflow candidates. Their characteristics and the relation between the CO (J = 1-0) and H2O 616-523 emissions are discussed briefly. A comparison of both velocity range and peak value between the CO and H2O lines shows good agreement in most cases, which suggests that their exciting mechanisms may be correlated.

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