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ALMA Observations of a High-density Core, MC27/L1521F in Taurus: Dynamical Gas Interaction at the Possible Site of a Multiple Star Formation
Kazuki Tokuda
We present the results of ALMA observations of dust continuum emission and molecular rotational lines toward a dense core, MC27 (aka L1521F), which is considered to be very close t…
SMA and ALMA Studies of Disk- and Planet Formation around Low-mass Protostars
Shigehisa Takakuwa, Hsi-Wei Yen, Ti-Lin Chou +16
We report our current SMA and ALMA studies of disk and planet formation around protostars. We have revealed that 100 AU scale disks in Keplerian rotation are ubiquitous…
ALMA Observations of SMM11 Reveal an Extremely Young Protostar in Serpens Main Cluster
Yusuke Aso, Nagayoshi Ohashi, Yuri Aikawa +8
We report the discovery of an extremely young protostar, SMM11, located in the associated submillimeter condensation SMM11 in the Serpens Main cluster using the Atacama Large Milli…
A Detached Protostellar Disk around a 0.2 protostar in a Possible Site of a Multiple Star Formation in a Dynamical Environment in Taurus
Kazuki Tokuda, Toshikazu Onishi, Kazuya Saigo +9
We report ALMA observations in 0.87 mm continuum and CO ( = 3--2) toward a very low-luminosity (0.1 ) protostar, which is deeply embedded in one of the dens…
1000 AU Exterior Arcs Connected to the Protoplanetary Disk around HL Tau
Hsi-Wei Yen, Shigehisa Takakuwa, You-Hua Chu +13
The protoplanetary disk around HL Tau is so far the youngest candidate of planet formation, and it is still embedded in a protostellar envelope with a size of thousands of au. In t…
ALMA Observations of the Protostar L1527 IRS: Probing Details of the Disk and the Envelope Structures
Yusuke Aso, Nagayoshi Ohashi, Yuri Aikawa +7
We have newly observed the Class 0/I protostar L1527 IRS using the Atacama Large Millimeter/submillimeter Array (ALMA) during its Cycle 1 in 220 GHz dust continuum and C18O (J=2-1)…