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Hot molecular cores in the W49A molecular cloud complex
Ryosuke Miyawaki, Masahiko Hayashi, Tetsuo Hasegawa
We present a comprehensive dataset of hot molecular cores (HMCs) in the W49A molecular cloud complex based on high-resolution ALMA observations, including the 1.3~mm continuum, 12…
An expanding ring of the hypercompact HII region W49N:A2
Ryosuke Miyawaki, Masahiko Hayashi, Tetsuo Hasegawa
We present 250~GHz continuum and H29alpha line data toward W49N:A2, a hypercompact HII region ionized by an O9 star. The data obtained with ALMA at a resolution of ~0"05 (600 au) c…
Effects of magnetic field orientations in dense cores on gas kinematics in protostellar envelopes
Aashish Gupta, Hsi-Wei Yen, Patrick Koch +16
Theoretically, misalignment between the magnetic field and rotational axis in a dense core is considered to be dynamically important in the star formation process, however, extent…