Triple structure in the 8 km/s water maser source in Orion

Details Triple structure in the 8 km/s water maser source in Orion Triple structure in the 8 km/s water maser source in Orion

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...204..239v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 204, no. 1-2, Oct. 1988, p. 239-241. FINEP-supported research.

Astronomy and Astrophysics

Astrophysics

3

Interstellar Masers, Molecular Clouds, Orion Nebula, Water Masers, Extremely High Frequencies, Line Spectra, Polarized Electromagnetic Radiation, Very Long Base Interferometry

Scientific paper

The authors report the observations of a triple structure in the 8 km s-1 water maser in Orion. Two of the components are clearly separated in the line profile by about 35 kHz (0.4 km s-1). Differences in the degree of polarization and position angle of the polarization plane across the line profile were detected when the frequency resolution of the measurements were 15 kHz. The authors interpreted the data as a result of the superposition of several components, centered at different velocities and having different values of antenna temperature, degree of polarization and position angle of the polarization plane. Three components were necessary to fit the data. The time behaviour of the flaring source since its detection in 1979 is also described in terms of a multicomponent model.

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