Observations of H2O masers with a resolution of 0.0008 arcsec

Details Observations of H2O masers with a resolution of 0.0008 arcsec Observations of H2O masers with a resolution of 0.0008 arcsec

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..403j&link_type=abstract

Astronomical Journal, vol. 82, June 1977, p. 403-407.

Astronomy and Astrophysics

Astronomy

13

Interstellar Masers, Stellar Evolution, Water Masers, Centimeter Waves, Data Reduction, Interferometry, Protostars, Radial Velocity

Scientific paper

The H2O masers at 1.35-cm wavelength associated with W3C, W3 (OH), Orion A, M17, W49N, and W75S were observed with interferometers having baselines of 50 million wavelengths (677 km) and 260 million wavelengths (3547 km). The apparent size of the individual maser spots ranged from less than 0.5 AU to 5 AU based on a symmetric Gaussian source model. The size of the masering regions varies in diameter from 5000 to 30,000 AU. The tendency of the maser spots to occur in lines is discussed.

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