OH maser emission in the W51M active star-forming regionстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 23 января 2026 г.
Аннотация:We present the results of a study of maser emission in the OH 1665 and 1667 MHz lines in theW51M star-forming region. The observations were carried out in 2022 and 2024 at the Large Radio Telescopein Nançay (France). The research results on the evolution of the flux density and the degree of circular polarizationof individual spectral features are presented. The spectral features were spatially identified. It has beenfound that the degree of linear polarization in five strongest features (55.92, 57.18, 57.72, 58.27, and59.5 km/s) in the 1665 MHz line does not exceed 5%. For these features, the vector of the transverse magneticfield is oriented within an angular range of 19.6°–39.2°. Thus, it can be supposed that in this region there isa spatially organized magnetic field, which is of large scale for W51M (e1 and e2).