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Dive into the research topics where Yusuke Aso is active.

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Featured researches published by Yusuke Aso.


The Astrophysical Journal | 2014

Formation of a keplerian disk in the infalling envelope around l1527 IRS: Transformation from infalling motions to kepler motions

Nagayoshi Ohashi; Kazuya Saigo; Yusuke Aso; Yuri Aikawa; Shin Koyamatsu; Masahiro N. Machida; Masao Saito; Sanemichi Z. Takahashi; Shigehisa Takakuwa; Kengo Tomida; Kohji Tomisaka; Hsi-Wei Yen

We report Atacama Large Millimeter/submillimeter Array (ALMA) cycle 0 observations of C


The Astrophysical Journal | 2014

ALMA OBSERVATIONS OF INFALLING FLOWS TOWARD THE KEPLERIAN DISK AROUND THE CLASS I PROTOSTAR L1489 IRS

Hsi-Wei Yen; Shigehisa Takakuwa; Nagayoshi Ohashi; Yuri Aikawa; Yusuke Aso; Shin Koyamatsu; Masahiro N. Machida; Kazuya Saigo; Masao Saito; Kengo Tomida; Kohji Tomisaka

^{18}


The Astrophysical Journal | 2017

SIGNS OF EARLY-STAGE DISK GROWTH REVEALED WITH ALMA

Hsi-Wei Yen; Patrick M. Koch; Shigehisa Takakuwa; Ruben Krasnopolsky; Nagayoshi Ohashi; Yusuke Aso

O (


Proceedings of the International Astronomical Union | 2015

SMA and ALMA studies of protoplanetary disk formation around low-mass protostars

Shigehisa Takakuwa; Nagayoshi Ohashi; Hsi-Wei Yen; Ti-Lin Chou; Kazuya Saigo; Masao Saito; Yusuke Aso; Yuri Aikawa; Shin Koyamatsu; Masahiro N. Machida; Sanemichi Z. Takahashi; Kengo Tomida; Kohji Tomisaka

J=2-1


The Astrophysical Journal | 2015

ALMA OBSERVATIONS OF THE TRANSITION FROM INFALL MOTION TO KEPLERIAN ROTATION AROUND THE LATE-PHASE PROTOSTAR TMC-1A

Yusuke Aso; Nagayoshi Ohashi; Kazuya Saigo; Shin Koyamatsu; Yuri Aikawa; Masahiko Hayashi; Masahiro N. Machida; Masao Saito; Shigehisa Takakuwa; Kengo Tomida; Kohji Tomisaka; Hsi-Wei Yen

), SO (


The Astrophysical Journal | 2015

NO KEPLERIAN DISK >10 AU AROUND THE PROTOSTAR B335: MAGNETIC BRAKING OR YOUNG AGE?

Hsi-Wei Yen; Shigehisa Takakuwa; Patrick M. Koch; Yusuke Aso; Shin Koyamatsu; Ruben Krasnopolsky; Nagayoshi Ohashi

J_N= 6_5-5_4


The Astrophysical Journal | 2017

ALMA Observations of the Protostar L1527 IRS: Probing Details of the Disk and the Envelope Structures

Yusuke Aso; Nagayoshi Ohashi; Yuri Aikawa; Masahiro N. Machida; Kazuya Saigo; Masao Saito; Shigehisa Takakuwa; Kengo Tomida; Kohji Tomisaka; Hsi-Wei Yen

) and 1.3mm dust continuum toward L1527 IRS, a class 0 solar-type protostar surrounded by an infalling and rotating envelope. C


arXiv: Astrophysics of Galaxies | 2017

SMA and ALMA Studies of Disk- and Planet Formation around Low-mass Protostars

Shigehisa Takakuwa; Hsi-Wei Yen; Ti-Lin Chou; Nagayoshi Ohashi; Yusuke Aso; Patrick M. Koch; Ruben Krasnopolsky; Paul T. P. Ho; Hauyu Baobab Liu; Naomi Hirano; Pin-Gao Gu; Chin-Fei Lee; Evaria Puspitaningrum; Yuri Aikawa; Masahiro N. Machida; Kazuya Saigo; Masao Saito; Kengo Tomida; Kohji Tomisaka

^{18}


The Astrophysical Journal | 2018

The Distinct Evolutionary Nature of Two Class 0 Protostars in Serpens Main SMM4

Yusuke Aso; Naomi Hirano; Yuri Aikawa; Masahiro N. Machida; Shigehisa Takakuwa; Hsi-Wei Yen; Jonathan P. Williams

O emission shows strong redshifted absorption against the bright continuum emission associated with L1527 IRS, strongly suggesting infall motions in the C


The Astrophysical Journal | 2017

ALMA Observations of SMM11 Reveal an Extremely Young Protostar in Serpens Main Cluster

Yusuke Aso; Nagayoshi Ohashi; Yuri Aikawa; Masahiro N. Machida; Kazuya Saigo; Masao Saito; Shigehisa Takakuwa; Kengo Tomida; Kohji Tomisaka; Hsi-Wei Yen; Jonathan P. Williams

^{18}

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Hsi-Wei Yen

European Southern Observatory

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Kazuya Saigo

Osaka Prefecture University

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Kohji Tomisaka

Graduate University for Advanced Studies

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Masao Saito

Graduate University for Advanced Studies

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