Reports

Spectra, Variability, Size, and Polarization of H2O Microwave Emission Sources in the Galaxy

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Science  07 Mar 1969:
Vol. 163, Issue 3871, pp. 1055-1057
DOI: 10.1126/science.163.3871.1055

Abstract

Radio spectral line radiation of water molecules at a wavelength of 1.35 centimeters has been measured from eight sources in the galaxy. The sources are less than I arc minute in diameter, have extremely high brightness temperatures, and show many spectral features. Some spectral features are slightly polarized and some have changed greatly in intensity in a few weeks time.

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