Water masers in red supergiants

Details Water masers in red supergiants Water masers in red supergiants

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26at...25..399p&link_type=abstract

Astronomical and Astrophysical Transactions, vol. 25, Issue 5, p.399-403

Astronomy and Astrophysics

Astronomy

Scientific paper

Results of long-term monitoring of circumstellar water maser sources in red supergiants are reviewed. The observations were carried out in 1980-2006 on the RT-22 radio telescope at Pushchino Radio Astronomy Observatory. We discuss the results for the semiregular variable M-supergiant VX Sgr and non-variable M-supergiant IRC-10414. In addition to our single-dish data, very-long-baseline interferometry results are invoked. VX Sgr and IRC-10414 display a characteristic water line profile, which suggests the presence of a rotating circumstellar disc and a bipolar outflow.

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