Velocity Drift of the H₂O Maser Emission in ON2

A. Marquez* and E. E. Lekht**

* Instituto Nacional de Astrofísica, Óptica y Electrónica, Tonantzintla, Mexico

** Sternberg Astronomical Institute, Universitetskii pr. 13, Moscow, 119899 Russia

Received January 11, 1996

Abstract—The radial velocity drift of the H₂O maser emission in the source ON2 is studied. A regular drift is
found for the two main groups of spectral features. Possible causes of this drift are discussed.

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