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First-generation Science Cases for Ground-based Terahertz Telescopes
Hiroyuki Hirashita, Patrick M. Koch, Satoki Matsushita +33
Ground-based observations at terahertz (THz) frequencies are a newly explorable area of astronomy for the next ten years. We discuss science cases for a first-generation 10-m class…
Spectral-Line Survey at Millimeter and Submillimeter Wavelengths toward an Outflow-Shocked Region, OMC 2-FIR 4
Yoshito Shimajiri, Takeshi Sakai, Yoshimi Kitamura +9
We performed the first spectral-line survey at 82--106 GHz and 335--355 GHz toward the outflow-shocked region, OMC 2-FIR 4, the outflow driving source, FIR 3, and the northern outf…
Dispersing Envelope around the Keplerian Circumbinary Disk in L1551 NE and its Implications for the Binary Growth
Shigehisa Takakuwa, Kazuhiro Kiyokane, Kazuya Saigo +1
We performed mapping observations of the Class I protostellar binary system L1551 NE in the CO (=3-2), CO (=3-2), CS (=7-6), and SO (=7-6) lines…
No Keplerian Disk >10 AU around the Protostar B335: Magnetic Braking or Young Age?
Hsi-Wei Yen, Shigehisa Takakuwa, Patrick M. Koch +4
We have conducted ALMA cycle 2 observations in the 1.3 mm continuum and in the C18O (2-1) and SO (5_6-4_5) lines at a resolution of ~0.3" toward the Class 0 protostar B335. The 1.3…
ALMA Observations of the Transition from Infall Motion to Keplerian Rotation around the Late-phase Protostar TMC-1A
Yusuke Aso, Nagayoshi Ohashi, Kazuya Saigo +9
We have observed the Class I protostar TMC-1A with Atacama Millimeter/submillimeter Array (ALMA) in 12CO and C18O (J=2-1), and 1.3-mm dust continuum emission. Continuum emission wi…