Abstract

Results are presented of the analysis of maser spectra in ON2, obtained with the RT-22 radio telescope at Pushchino during 1981–1996. The spectral features are analyzed and their time evolution examined. Anticorrelation between the fluxes of features with close radial velocities is found. A systematic displacement of the drifts sum of all features from 0.8 to during 1981–1988 and 1990–1996 is observed. In 1989 a fast jump of this parameter from -0.3 to took place. The quadratic sum of the drifts of the features always increased during a rise in maser activity. Possible causes of the observed phenomena are discussed.

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