The Infall Motion in the Low-Mass Protostellar Binary NGC 1333 IRAS 4A1/4A2

27 Sep 2019 Su Yu-Nung Liu Sheng-Yuan Li Zhi-Yun Lee Chin-Fei Hirano Naomi Takakuwa Shigehisa Hsieh I-Ta

We report ALMA observations of NGC 1333 IRAS 4A, a young low-mass protostellar binary, referred as 4A1 and 4A2. With multiple H$_2$CO transitions and HNC (4$-$3) observed at a resolution of 0.25" ($\sim$70 au), we investigate the gas kinematics of 4A1 and 4A2... (read more)

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  • SOLAR AND STELLAR ASTROPHYSICS
  • ASTROPHYSICS OF GALAXIES