Other
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236..363a&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 15, 1989, p. 363-374.
Other
34
Interstellar Masers, Mira Variables, Silicon Oxides, Symbiotic Stars, Emission Spectra, Flux Density, Infrared Radiation, Polarized Radiation, Signal To Noise Ratios, Southern Sky
Scientific paper
In July 1987 the Parkes radio telescope was used to search for 43.12 GHz SiO maser emission from southern late-type stars. The discovery of such emission from 12 Mira-like systems, including the symbiotic star H1-36 is reported, and the implications of the data for the symbiotic stars are discussed. Several M-type Mira variables with unusually low SiO/infrared flux ratios are identified. In addition, profiles are presented for the only other known symbiotic maser, R Aqr, at unprecedented signal-to-noise ratio; these profiles show linearly polarized emission from several components of the source. In conjunction with previous work, constraints are placed on the orbital dynamics of the masing component in RAqr.
Allen David A.
Hall Jonathan Peter
Norris Ray P.
Troup Euan R.
Wark R. M.
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