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Molecular-Cloud-Scale Chemical Composition III: Constraints of Average Physical Properties through Chemical Models
Nanase Harada, Yuri Nishimura, Yoshimasa Watanabe +4
It is important to understand the origin of molecular line intensities and chemical composition in the molecular-cloud scale in the Galactic sources because it serves as a benchmar…
An Ordered Envelope-disk Transition in the Massive Protostellar Source G339.88-1.26
Yichen Zhang, Jonathan C. Tan, Nami Sakai +7
We report molecular line observations of the massive protostellar source G339.88-1.26 with the Atacama Large Millimeter/Submillimeter Array. The observations reveal a highly collim…
Science with an ngVLA: The ngVLA Science Case and Associated Science Requirements
Eric J. Murphy, Alberto Bolatto, Shami Chatterjee +22
The science case and associated science requirements for a next-generation Very Large Array (ngVLA) are described, highlighting the five key science goals developed out of a commun…
The Co-evolution of Disk and Star in Embedded Stages: The Case of the Very Low-mass Protostar
Yuki Okoda, Yoko Oya, Nami Sakai +4
We have observed the CCH (N=3-2, J=7/2-5/2, F=4-3 and 3-2) and SO (6_7-5_6) emission at a 0"2 angular resolution toward the low-mass Class 0 protostellar source IRAS 15398-3359 wit…
Rotation in the NGC 1333 IRAS 4C Outflow
Yichen Zhang, Aya E. Higuchi, Nami Sakai +8
We report molecular line observations of the NGC 1333 IRAS 4C outflow in the Perseus Molecular Cloud with the Atacama Large Millimeter/Submillimeter Array. The CCH and CS emission…
A multiline study of a high-mass young stellar object in the Small Magellanic Cloud with ALMA: The detection of methanol gas at 0.2 solar metallicity
Takashi Shimonishi, Yoshimasa Watanabe, Yuri Nishimura +5
We report the results of subparsec-scale submillimeter observations towards an embedded high-mass young stellar object in the Small Magellanic Cloud (SMC) with ALMA. Complementary…