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H2O maser observation using the 26-meter Nanshan Radio Telescope of the XAO

  • Yu-Xin He (a1) (a2), Jarken Esimbek (a1) (a2), Jian-Jun Zhou (a1) (a2), Gang Wu (a1) (a2), Xin-Di Tang (a1) (a2) (a3), Wei-Guang Ji (a1) (a2), Ye Yuan (a1) (a2) and Da-Lei Li (a1) (a2)...


In the past few years, we have performed a 22 GHz H2O maser survey towards hundreds of BGPS sources using the 25-meter Nanshan Radio Telescope (NSRT) of the Xinjiang Astronomical Observatory, and detected more than one hundred masers. Our aim is to study star formation activities associated with these sources, as well as search for any correlations that may exist between 22 GHz H2O masers and the evolutionary stage of high-mass star formation regions. The NSRT has been upgraded and have now an effective diameter of 26 meter. Besides, cryogenically cooled dual-beam receiver systems covering seven millimeter-wave observing bands have been installed on the NSRT. For the next step of maser observation, we will continue to do H2O and SiO masers survey of massive dust clumps and monitor some maser sources.



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