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Z45: A New 45-GHz Band Dual-Polarization HEMT Receiver for the NRO 45-m Radio Telescope
Fumitaka Nakamura, Hideo Ogawa, Yoshinori Yonekura +20
We developed a dual-linear-polarization HEMT (High Electron Mobility Transistor) amplifier receiver system of the 45-GHz band (hereafter Z45), and installed it in the Nobeyama 45-m…
An origin of arc structures deeply embedded in dense molecular cloud cores
Tomoaki Matsumoto, Toshikazu Onishi, Kazuki Tokuda +1
We investigated the formation of arc-like structures in the infalling envelope around protostars, motivated by the recent Atacama Large Millimeter/Submillimeter Array (ALMA) observ…
High-mass star formation triggered by collision between CO filaments in N159 West in the Large Magellanic Cloud
Yasuo Fukui, Ryohei Harada, Kazuki Tokuda +20
We have carried out 13CO(J=2-1) observations of the active star-forming region N159 West in the LMC with ALMA. We have found that the CO distribution at a sub-pc scale is highly el…