2026年

• Ring-Gap Structures in the Class I Circumstellar Disk of CrA IRS 2 Associated with Magnetic Flux-Driven Bubble

Ayumu Shoshi, Masayuki Yamaguchi, Mitsuki Omura, Kazuki Tokuda, Naofumi Fukaya, Kengo Tachihara, Masahiro N. Machida

Accepted for publication in ApJ on 2026 January 13.

2025年

• Magnetic Fields in Massive Star-forming Regions (MagMaR). VI. Magnetic Field Dragging in the Filamentary High-mass Star-forming Region G35.20-0.74N due to Gravity

Jihye Hwang, Patricio Sanhueza, Josep Miquel Girart, Ian W. Stephens, Maria T. Beltrán, Chi Yan Law, Qizhou Zhang, Junhao Liu, Paulo Cortés, Fernando A. Olguin, Patrick M. Koch, Fumitaka Nakamura, Piyali Saha, Jia-Wei Wang, Fengwei Xu, Henrik Beuther, Kaho Morii, Manuel Fernández López, Wenyu Jiao, Kee-Tae Kim, Shanghuo Li, Luis A. Zapata, Jongsoo Kim, Spandan Choudhury, Yu Cheng, Kate Pattle, Chakali Eswaraiah, Panigrahy Sandhyarani, L. K. Dewangan, O. R. Jadhav

The Astrophysical Journal, Volume 171, Number 1, 50, 2025 December 19

• Self-supervised Synthetic Pretraining for Inference of Stellar Mass Embedded in Dense Gas

Keiya Hirashima, Shingo Nozaki, Naoto Harada

Accepted for NeurIPS 2025 ML4PS workshop

• How External Medium outside Prestellar Cores Affects Protostellar Growth: Variations in Accretion Rate and Evolution of Disks and Outflows

Shingo Nozaki, Masahiro N. Machida

The Astrophysical Journal, Volume 995, Number 1, 127, 2025 December 10

• Extended and Compact Ortho-H2D+ Structures Close to the Moment of Star-Formation: Evidence from ALMA-ACA Observations in Taurus

Kazuki Tokuda, Kenji Furuya, Naofumi Fukaya, Kengo Tachihara, Ken'ichi Tatematsu, Shingo Nozaki, Nami Sakai, Yuri Aikawa, Kazuya Saigo, Toshikazu Onishi, Masahiro N. Machida

The Astrophysical Journal, Volume 992, Number 1, 55, 2025 October 6

• ALMA High-resolution Observation for the Transitional Disk around IRAS 04125+2902

Ayumu Shoshi, Takayuki Muto, Quincy Bosschaart, Nienke van der Marel, Gijs D. Mulders, Mitsuki Omura, Kazuki Tokuda, Masahiro N. Machida

The Astrophysical Journal, Volume 993, Number 1, 90, 2025 October 28

• Inclination Effect on Observational Identification of Outflow Rotation in Magnetohydrodynamics Simulations

Yusuke Aso, Masahiro N. Machida

The Astrophysical Journal, Volume 989, Number 2, 184, 2025 August 20

• Effect of Magnetic Field on the Accretion Phase of Population III Star Formation

Masahiro N. Machida, Shingo Hirano, Shantanu Basu

The Astrophysical Journal, Volume 988, Number 1, 6, 2025 July 10

• Growth of Massive Molecular Cloud Filament by Accretion Flows. II. New Mechanism to Support a Supercritical Filament Against Radial Collapse

Daisei Abe, Tsuyoshi Inoue, Shu-ichiro Inutsuka, Doris Arzoumanian

The Astrophysical Journal, Volume 987, Number 2, 154, 2025 July 4

• The role of magnetic field and stellar feedback in the evolution of filamentary structures in collapsing star-forming clouds

P. Suin, D. Arzoumanian, A. Zavagno, P. Hennebelle

Astronomy & Astrophysics, Volume 698, 119S, 2025 June 6

• The JCMT BISTRO-3 Survey: Variation of Magnetic Field Orientations on Parsec and Subparsec Scales in the Massive Star-forming Region G28.34+0.06

Jihye Hwang and 38 authors incl. Doris Arzoumanian

The Astrophysical Journal, Volume 985, Number 2, 222, 2025 May 27

• Impact of Magnetohydrodynamic Disk Wind on Early Evolutionary Stage of Protoplanetary Disk and Dust Growth

Yoshihiro Kawasaki, Masahiro N. Machida

The Astrophysical Journal, Volume 985, Number 1, 106, 2025 May 20

• A multiscale view of the magnetic field morphology in the hot molecular core G31.41+0.31

C. Y. Law, M. T. Beltran, R. S. Furuya, J. M. Girart, D. Galli, R. Cesaroni, L. Moscadelli, D. Arzoumanian, A. Lorenzani, M. Padovani, A. Sanna, G. Surcis

Astronomy & Astrophysics, Volume 697, L4, 2025 May 12

• Structure and Fragmentation Scale of a Massive Star-forming Filament in NGC 6334: High-resolution Mid-infrared Absorption Imaging with JWST

Philippe André, Michael Mattern, Doris Arzoumanian, Yoshito Shimajiri, Annie Zavagno, Daisei Abe, Delphine Russeil

The Astrophysical Journal Letters, Volume 984, Number 2, L59, 2025 May 7

• ALMA 2D Super-resolution Imaging Survey of Ophiuchus Class I/Flat Spectrum/II Disks - I: Discovery of New Disk Substructures

Ayumu Shoshi, Masayuki Yamaguchi, Takayuki Muto, Naomi Hirano, Ryohei Kawabe, Takashi Tsukagoshi, Masahiro N. Machida

Publications of the Astronomical Society of Japan, Volume 77, Issue 3, pp. 572-606, 2025 April 22

• Hunting pre-stellar cores with APEX: Corona Australis 151, the densest pre-stellar core or the youngest protostar?

E. Redaelli, S. Spezano, P. Caselli, J. Harju, D. Arzoumanian, O. Sipilä, A. Belloche, F. Wyrowski, J. E. Pineda

Astronomy & Astrophysics, Volume 696, A171, 2025 April 21

• Velocity Structure of Circumstellar Environment around Class 0/I Protostars: Uncertainty in the Protostellar Mass Estimation Using Circumstellar Velocities

Shingo Hirano, Yuri Aikawa, Masahiro N. Machida

The Astrophysical Journal, Volume 982, Number 2, 166, 2025 April 1

• ALMA 0.1 pc View of Molecular Clouds Associated with High-Mass Protostellar Systems in the Small Magellanic Cloud: Are Low-Metallicity Clouds Filamentary or Not?

Kazuki Tokuda, Yuri Kunitoshi, Sarolta Zahorecz, Kei E. I. Tanaka, Itsuki Murakoso, Naoto Harada, Masato I. N. Kobayashi, Tsuyoshi Inoue, Marta Sewiło, Ayu Konishi, Takashi Shimonishi, Yichen Zhang, Yasuo Fukui, Akiko Kawamura, Toshikazu Onishi, Masahiro N. Machida

The Astrophysical Journal, Volume 980, Number 2, 269, 2025 February 20

• Tracking Star-Forming Cores as Mass Reservoirs in Clustered and Isolated Regions Using Numerical Passive Tracer Particles

Shingo Nozaki, Hajime Fukushima, Kazuki Tokuda, Masahiro N. Machida

The Astrophysical Journal, Volume 980, Number 1, 101, 2025 February 10

• Complex Structure around a Circumstellar Disk Caused by Interchange Instability

Masahiro N. Machida, Shantanu Basu

The Astrophysical Journal Letters, Volume 979, Number 2, L49, 2025 January 30

2024年

• Combining neural networks with galaxy light subtraction for discovering strong lenses in the Hyper Suprime-Cam Subaru Strategic Program

Yuichiro Ishida, Kenneth C Wong, Anton T Jaelani, Anupreeta More

Publications of the Astronomical Society of Japan, Volume 77, Issue 1, 26 December 2024, Pages 105-117

• ACA CO(J = 2–1) mapping of the nearest spiral galaxy M 33. II. Exploring the evolution of giant molecular clouds

Ayu Konishi, Kazuyuki Muraoka, Kazuki Tokuda, Shinji Fujita, Yasuo Fukui, Rin I. Yamada, Fumika Demachi, Kengo Tachihara, Masato I. N. Kobayashi, Nario Kuno, Kisetsu Tsuge, Hidetoshi Sano, Rie E. Miura, Akiko Kawamura, Toshikazu Onishi

Publications of the Astronomical Society of Japan, Volume 76, Issue 5, October 2024, Pages 1098-1121

• Giant molecular clouds and their type classification in M 74: Toward understanding star formation and cloud evolution

Fumika Demachi, Yasuo Fukui, Rin I. Yamada, Kengo Tachihara, Takahiro Hayakawa, Kazuki Tokuda, Shinji Fujita, Masato I. N. Kobayashi, Kazuyuki Muraoka, Ayu Konishi, Kisetsu Tsuge, Toshikazu Onishi, Akiko Kawamura

Publications of the Astronomical Society of Japan, Volume 76, Issue 5, October 2024, Pages 1059-1083

• High-mass star formation in the Large Magellanic Cloud triggered by colliding H_I flows

Kisetsu Tsuge, Hidetoshi Sano, Kengo Tachihara, Kenji Bekki, Kazuki Tokuda, Tsuyoshi Inoue, Norikazu Mizuno, Akiko Kawamura, Toshikazu Onishi, Yasuo Fukui

Publications of the Astronomical Society of Japan, Volume 76, Issue 4, August 2024, Pages 589-615

• HCN as a probe of the inner disc in a candidate proto-brown dwarf

B. Riaz, W -F Thi, M. N. Machida

Monthly Notices of the Royal Astronomical Society: Letters, Volume 532, Issue 1, July 2024, Pages 36-41

• Cloud Dissipation and Disk Wind in the Late Phase of Star Formation

Masahiro N. Machida, Shantanu Basu

The Astrophysical Journal, Volume 970, Number 1, 41, 2024 July 15

• Internal 1000 AU-scale Structures of the R CrA Cluster-forming Cloud -- I: Filamentary Structures

Kengo Tachihara, Naofumi Fukaya, Kazuki Tokuda, Yasumasa Yamasaki, Takeru Nishioka, Daisei Abe, Tsuyoshi Inoue, Naoto Harada, Ayumu Shoshi, Shingo Nozaki, Asako Sato, Mitsuki Omura, Kakeru Fujishiro, Misato Fukagawa, Masahiro N. Machida, Takahiro Kanai, Yumiko Oasa, Toshikazu Onishi, Kazuya Saigo, Yasuo Fukui

The Astrophysical Journal, Volume 968, Number 2, 131, 2024 June 20

• Delivery of Dust Particles from Protoplanetary Disks onto Circumplanetary Disks of Giant Planets

Natsuho Maeda, Keiji Ohtsuki, Ryo Suetsugu, Yuhito Shibaike, Takayuki Tanigawa, and Masahiro N. Machida

The Astrophysical Journal, Volume 968, Number 2, 62, 2024 June 11

• Multiple Outflows around a Single Protostar IRAS 15398−3359

Jinshi Sai, Hsi-Wei Yen, Masahiro N. Machida, Nagayoshi Ohashi, Yusuke Aso, Anaëlle J. Maury, and Sébastien Maret

The Astrophysical Journal, Volume 966, Number 2, 192, 2024 May 7

• Observations of spiral and streamer on a candidate proto-brown dwarf

B. Riaz, D. Stamatellos, M. N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 529, Issue 4, April 2024, Pages 3601-3609

• Discovery of Asymmetric Spike-like Structures of 10 au Disk around the Very Low-luminosity Protostar Embedded in the Taurus Dense Core MC 27/L1521F with ALMA

Kazuki Tokuda, Naoto Harada, Mitsuki Omura, Tomoaki Matsumoto, Toshikazu Onishi, Kazuya Saigo, Ayumu Shoshi, Shingo Nozaki, Kengo Tachihara, Naofumi Fukaya, Yasuo Fukui, Shu-ichiro Inutsuka, and Masahiro N. Machida

The Astrophysical Journal, Volume 965, Number 2, 99, 2024 April 11

• Outflows Driven from a Magnetic Pseudodisk

Shantanu Basu, Mahmoud Sharkawi, and Masahiro N. Machida

The Astrophysical Journal, Volume 964, Number 2, 116, 2024 march21

• An Extremely Young Protostellar Core, MMS 1/OMC-3: Episodic Mass Ejection History Traced by the Micro SiO Jet

Satoko Takahashi, Masahiro Machida, Mitsuki Omura, Doug Johnstone, Kazuya Saigo, Naoto Harada, Kohji Tomisaka, Paul T. P. Ho, Luis A. Zapata, Steve Mairs, Gregory J. Herczeg, Kotomi Taniguchi, Yuhua Liu, and Asako Sato

The Astrophysical Journal, Volume 964, Number 1, 48, 2024 March 4

• Dust Polarization of Prestellar and Protostellar Sources in OMC-3

Yuhua Liu, Satoko Takahashi, Masahiro Machida, Kohji Tomisaka, Josep Miquel Girart, Paul T. P. Ho, Kouichiro Nakanishi, and Asako Sato

The Astrophysical Journal, Volume 963, Number 2, 104, 2024 March 4

• Revealing Multiple Nested Molecular Outflows with Rotating Signatures in HH270mms1-A with ALMA

Mitsuki Omura, Kazuki Tokuda, and Masahiro Machida

The Astrophysical Journal, Volume 963, Number 1, 72, 2024 February 29

• Ring Gap Structure around Class I Protostar WL 17

Ayumu Shoshi, Naoto Harada, Kazuki Tokuda, Yoshihiro Kawasaki, Hayao Yamasaki, Asako Sato, Mitsuki Omura, Masayuki Yamaguchi, Kengo Tachihara, and Masahiro N. Machida

The Astrophysical Journal, Volume 961, Number 2, 228, 2024 January 30

• ATCA study of Small Magellanic Cloud supernova remnant 1E 0102.2–7219

Rami Z. E. Alsaberi, M. D. Filipović, S. Dai, H. Sano, R. Kothes, J. L. Payne, L. M. Bozzetto, R. Brose, C. Collischon, E. J. Crawford, F. Haberl, T. Hill, P. J. Kavanagh, J. Knies, D. Leahy, P. J. Macgregor, P. Maggi, C. Maitra, P. Manojlović, S. Martín, C. Matthew, N. O. Ralph, G. Rowell, A. J. Ruiter, M. Sasaki, I. R. Seitenzahl, K. Tokuda, N. F. H. Tothill, D. Urošević, J. Th. van Loon, V. Velović, F. P. A. Vogt

Monthly Notices of the Royal Astronomical Society, Volume 527, Issue 1, January 2024, Pages 1444-1460

2023年

• Secondary outflow driven by the protostar Ser-emb 15 in Serpens

Asako Sato, Kazuki Tokuda, Masahiro N. Machida, Kengo Tachihara, Naoto Harada, Hayao Yamasaki, Shingo Hirano, Toshikazu Onishi, and Yuko Matsushita

The Astrophysical Journal, Volume 958, Number 2, 102, 2023 November 16

• An ALMA resoved view of 7,000 au Protostellar Gas Ring around the Class I source CrA-IRS 2 as a possible sign of magnetic flux advection

Kazuki Tokuda, Naofumi Fukaya, Kengo Tachihara, Mitsuki Omura, Naoto Harada, Shingo Nozaki, Ayumu Shoshi, and Masahiro N. Machida

The Astrophysical Journal Letters, Volume 956, Number 1, 16, 2023 October 9

• "An ALMA Glimpse of Dense Molecular Filaments Associated with High-mass Protostellar Systems in the Large Magellanic Cloud"

Kazuki Tokuda, Naoto Harada, Kei E. I. Tanaka, Tsuyoshi Inoue, Takashi Shimonishi, Yichen Zhang, Marta Sewiło, Yuri Kunitoshi, Ayu Konishi, Yasuo Fukui, Akiko Kawamura, Toshikazu Onishi, and Masahiro N. Machida

The Astrophysical Journal, Volume 955, Number 1, 52, 2023 September 18

• Oxygen isotope exchange between molten silicate spherules and ambient water vapor with nonzero relative velocity: Implication for chondrule formation environment

Sota Arakawa, Daiki Yamamoto, Takayuki Ushikubo, Hiroaki Kaneko, Hidekazu Tanaka, Shigenobu Hirose, Taishi Nakamoto

Icarus, Volume 405, 15 November 2023, 115690

• Impact of turbulence intensity and fragmentation velocity on dust particle size evolution and non-ideal magnetohydrodynamics effects

Yoshihiro Kawasaki and Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 522, Issue 3, July 2023, Pages 3679–3692

• Magnetic Effects Promote Supermassive Star Formation in Metal-enriched Atomic- cooling Halos

Shingo Hirano, Masahiro N. Machida and Shantanu Basu

The Astrophysical Journal, Volume 952, Number 1, 56, 2023 July 18

• Environmental effects of star-forming cores on mass accretion rate

Shingo Nozaki and Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 519, Issue 4, March 2023, Pages 5017-5030

• Dust motion and possibility of dust growth in a growing circumstellar disk

Shunta Koga and Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 519, Issue 3, March 2023, Pages 3595–3610

• Crescent-Shaped Molecular Outflow from the Intermediate-mass Protostar DK Cha Revealed by ALMA

Naoto Harada, Kazuki Tokuda, Hayao Yamasaki, Asako Sato, Mitsuki Omura, Shingo Hirano, Toshikazu Onishi, Kengo Tachihara, Masahiro N. Machida

The Astrophysical Journal, Volume 945, Number 1, 63, 2023 March 7

• ALMA Fragmented Source Catalogue in Orion(FraSCO) I. Outflows interaction within an embedded cluster in OMC-2/FIR3,FIR4, and FIR5

Asako Sato, Satoko Takahashi, Shun Ishii, Paul T. P. Ho, Masahiro N. Machida, John Carpenter, Luis A. Zapata, Paula Stella Teixeira, Sumeyye Suri

The Astrophysical Journal, Volume 944, Number 1, 92, 2023 February 14

2022年

• Implementation of dust particles in three-dimensional magnetohydrodynamics simulation: dust dynamics in a collapsing cloud core

Shunta Koga, Kawasaki Yoshihiro and Machida N. Masahiro

Monthly Notices of the Royal Astronomical Society, Volume 515, Issue 4, October 2022, Pages 6073-6092

• Dust coagulation and fragmentation in a collapsing cloud core and their influence on non-ideal magnetohydrodynamic effects

Kawasaki Yoshihiro, Shunta Koga and Machida N. Masahiro

Monthly Notices of the Royal Astronomical Society, Volume 515, Issue 2, September 2022, Pages 2072-2087

• The First Detection of a Protostellar CO Outflow in the Small Magellanic Cloud with ALMA

Kazuki Tokuda, Sarolta Zahorecz, Yuri Kunitoshi, Kosuke Higashino, Kei E. I. Tanaka, Ayu Konishi, Taisei Suzuki, Naoya Kitano, Naoto Harada, Takashi Shimonishi, Naslim Neelamkodan, Yasuo Fukui, Akiko Kawamura, Toshikazu Onishi, and Masahiro N. Machida

The Astrophysical Journal Letters, Volume 936, Number 1, L6, 2022 September 1

• Synthetic Polarization Maps of an Outflow Zone from Magnetohydrodynamic Simulations

Gianfranco Bino, Shantanu Basu, Masahiro N. Machida, Aris Tritsis, Mahmoud Sharkawi, Kundan Kadam, and Indrani Das

The Astrophysical Journal, Volume 936, Number 1, 29, 2022 September 1

• Exponentially Amplified Magnetic Field Eliminates Disk Fragmentation around Population III Protostars

Shingo Hirano and Masahiro N. Machida

The Astrophysical Journal Letters, Volume 935, Number 1, L16, 2022 August 10

• Delivery of Gas onto the Circumplanetary Disk of Giant Planets: Planetary-mass Dependence of the Source Region of Accreting Gas and Mass Accretion Rate

Natsuho Maeda, Keiji Ohtsuki, Takayuki Tanigawa, Masahiro N. Machida, and Ryo Suetsugu

The Astrophysical Journal, Volume 935, Number 1, 56, 2022 August 10

• An ALMA Study of the Massive Molecular Clump N159W-North in the Large Magellanic Cloud: A Possible Gas Flow Penetrating One of the Most Massive Protocluster Systems in the Local Group

Tokuda Kazuki, Minami Taisei, Fukui Yasuo, Inoue Tsuyoshi, Nishioka Takeru, Tsuge Kisetsu, Zahorecz Sarolta, Sano Hidetoshi, Konishi Ayu, Rosie Chen C. -H., Sewiło Marta, Madden Suzanne C., Nayak Omnarayani, Saigo Kazuya, Nishimura Atsushi, Tanaka Kei E. I., Sawada Tsuyoshi, Indebetouw Remy, Tachihara Kengo, Kawamura Akiko, Onishi Toshikazu

The Astrophysical Journal, Volume 933, Number 1, 20, 2022 July 1

• Discovery of a Giant Molecular Loop in the Central Region of NGC 253

R. Konishi, R. Enokiya, Y. Fukui, K. Muraoka, Tokuda K., and T. Onishi

The Astrophysical Journal, Volume 929, Number 1, 63, 2022 April 10

• The role of magnetic fields in the formation of protostars, disks, and outflows

Yusuke Tsukamoto, Anaëlle Maury, Benoît Commerçon, Felipe O. Alves, Erin G. Cox, Nami Sakai, Tom Ray, Bo Zhao, and Masahiro N. Machida

chapter of Protostars and Planets VII (arXiv:2209.13765)

• Antarctic micrometeorite composed of CP and CS IDP-like material: A micro-breccia originated from a partially ice-melted comet-like small body

Takaaki Noguchi,Rikako Matsumoto, Hikaru Yabuta, Hanae Kobayashi, Akira Miyake, Hiroshi Naraoka, Ryuji Okazaki, Naoya Imae, Akira Yamaguchi, A. L. David Kilcoyne, Yasuo Takeichi, Yoshio Takahashi

Meteoritics & Planetary Science, Volume 57, Issue 11, 2042-2062

• First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu

Ryuji Okazaki and 123 authors (Daiki Yamamoto (116th))

Science Advances, Volume 8, Issue 46

• Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution

Ryuji Okazaki and 122 authors (Daiki Yamamoto (114th))

Science, 20 October 2022

• Ryugu particles found outside the Hayabus2 sample container

Aiko Nakato and 16 authors (Ryuji Okazaki (15th))

Geochemical journal, Advance online publication 21 October 2022

• Environmental assessment in the prelaunch phase of Hayabusa2 for safety declaration of returned samples from the asteroid(162173) Ryugu: background monitoring and risk management during development of the sampler system

The Hayabusa2 Project Team

Earth, Planets and Space, Volume 74, Issue 1, 90, December 2022

• Presolar Stardust in Asteroid Ryugu

Jens Barosch and 124 authors (Ryuji Okazaki (122nd))

The Astrophysical Journal Letters, Volume 935, Number 1, L3, 2022 August 10

• The GAs Extraction and Analyses system(GAEA) for immediate extraction and measurements of volatiles in the Hayabusa2 sample container

Yayoi N. Miura,Ryuji Okazaki, Yoshinori Takano, Kanako Sakamoto, Shogo Tachibana, Keita Yamada, Saburo Sakai, Hirotaka Sawada

Earth, Planets and Space, Volume 74, Issue 1, 76, 2022 December

• Pebbles and sand on asteroid(162173) Ryugu: In situ observation and particles returned to Earth

Tachibana and 107 authors (Ryuji Okazaki (3rd))

Science, Volume 375, Issue 6584, Pages 1011-1016, 10 February 2022

2021年

• Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu

Toru yada and 101 authors (Daiki Yamamoto (19th), Ryuji Okazaki (36th))

Nature Astronomy, Volume 6, Isuue 1, Pages 214-220, 20 december 2021

• An exchange reaction between CAI melt and low-pressure water vapor under simulated Solar nebular conditions

Daiki Yamamoto, Noriyuki Kawasaki, Shogo Tachibana, Michiru Kamibayashi, Hisayoshi Yurimoto

Geochimica et Cosmochimica Acta, Volume 314, Pages 108-120, 1 December 2021

• Impact of magnetic braking on high-mass close binary formation

Naoto Harada, Shingo Hirano, Masahiro N. Machida, and Takashi Hosokawa

Monthly Notices of the Royal Astronomical Society, Volume 508, Issue 3, December 2021, Pages 3730–3747

• Can high-velocity protostellar jets help to drive low-velocity outflow?

Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 508, Issue 3, December 2021, Pages 3208–3225

• "Ashfall" Induced by Molecular Outflow in Protostar Evolution

Yusuke Tsukamoto, Masahiro N. Machida, and Shu-ichiro Inutsuka

The Astrophysical Journal Letters, Volume 920, Number 2, L35, 2021 October 20

• Supermassive Star Formation in Magnetized Atomic-cooling Gas Clouds: Enhanced Accretion, Intermittent Fragmentation, and Continuous Mergers

Shingo Hirano, Masahiro N. Machida, and Shantanu Basu

The Astrophysical Journal, Volume 917, Number 1, 34, 2021 August 10

• ALMA Observations toward the S-shaped Outflow and the Envelope around NGC 1333 IRAS 4A2

Chen-Yu Chuang, Yusuke Aso, Naomi Hirano, Shingo Hirano, Masahiro N. Machida

The Astrophysical Journal, Volume 916, Number 2, 82, 2021 August 1

• Complex structure of a proto-brown dwarf

B Riaz, and Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 504, Issue 4, July 2021, Pages 6049-6066

• Growth of magnetorotational instability in circumstellar discs around class 0 protostars

Yoshihiro Kawasaki, Shunta Koga, and Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 504, Issue 4, July 2021, Pages 5588-5611

• Super-fast Rotation in the OMC 2/FIR 6b Jet

Yuko Matsushita, Satoko Takahashi, Shun Ishii, Kohji Tomisaka, Paul T. P. Ho, John M. Carpenter, and Masahiro N. Machida

The Astrophysical Journal, Volume 916, Number 1, 23, 2021 July 20

• Conditions for Justifying Single-fluid Approximation for Charged and Neutral Dust Fluids and a Smoothed Particle Magnetohydrodynamics Method for Dust-Gas Mixture

Y. Tsukamoto, and M. N. Machida, and S. Inutsuka

The Astrophysical Journal, Volume 913, Number 2, 148, 2021 June 1

2020年

• Failed and delayed protosteller outflows with high-mass accretion rates

Masahiro N. Machida and Takashi Hosokawa

Monthly Notices of the Royal Astronomical Society, Volume 499, Issue 3, December 2020, Pages 4490-4514

• Testing Disk Identification Methods thtough Numerical Simulations of Protostellar Evolution

Yusuke Aso and Masahiro N. Machida

The Astrophysical Journal, Volume 905, Number 2, 174, 2020 December 20

• Delivery of Pebbles from the Protoplanetary Disk into Cirucumplanetary Disks

Toru Homma, Keiji Otsuki, Natsusho Maeda, Ryo Suetsugu,Masahiro N. Machida, and Takayuki Tanigawa

The Astrophysical Journal, Volume 903, Number 2, 98, 2020 November 10

• A Low-velocity Bipolar Outflow from a Deeply Embedded Object in Taurus Revealed by the Atacama Compact Array

Kakeru Fujishiro, Kazuki Tokuda, Kengo Tachihara, Tatsuyuki Takashima, Yasuo Fukui, Sarolta Zahorecz, Kazuya Saigo, Tomoaki Matsumoto, Kengo Tomida, andMasahiro N. Machida

The Astrophysical Journal Letters, Volume 899, Number L10, 2020 August 10

• FRagmantation and Evolution of Dense Cores Judged by ALMA(FREJA). I. Overview: Inner ~1000 au Structures of Prestellar/Protostellar Cores in Taurus

Kazuki Tokuda, Kakeru Fujishiro, Kngo Tachihara, Tatsuyuki Takashima, Yasuo Fukui, Sarolta Zahorecz, Kazuya Saigo, Tomoaki Matsumoto, Kengo Tomida, andMasahiro N. Machida

The Astrophysical Journal, Volume 899, Number 1, 10, 2020 August 10

• The Effect of Misalignment between the Rotation Axis and Magnetic Field on the Circumstellar Disk

Shingo Hirano, Yusuke Tsukamoto, Shantanu Basu, and Masahiro N. Machida

The Astrophysical Journal, Volume 898, Number 2, 118, 2020 August 1

• Twin Jets and Close Binary Formation

Yu Saiki and Masahiro N. Machida

The Astrophysical Journal Letters, Volume 897, Number 2, L22, 2020 July 10

• Early Evolution of Disk, Outflow, and Magnetic Field of Young Stellar Objects: Impact of Dust model

Y. Tsukamoto, M. N. Machida, H. Susa, H. Nomura, S. Inutsuka

The Astrophysical Journal,Volume 896, Number 2, 158, 2020 June 20

• Magnetic Field Structure of Orion Source I

Tomoya Hirota, Richard L. Plambeck, Melvyn C. H. Wright, Masahiro N. Machida, Yuko Matsushita, Kazuhito Motogi, Mi Kyoung Kim, Ross A. Burns, and Mareki Honma

The Astrophysical Journal,Volume 896, Number 2, 157, 2020 June 20

• Different modes of star formation - II. Gas accretion phase of initially subcritical star-forming clouds

Masahiro N. Machida and Shantanu Basu

Monthly Notices of the Royal Astronomical Society, Volume 494, Issue 1, May 2020, Pages 827-845

• Disk Structure atounr the Class I Protostar L1489 IRS Revelaled by ALMA: A Warped-disk System

Jinshi Sai, Nagayoshi Ohashi, Kazuya Saigo, Tomoaki Matsumoto, Yusuke Aso, Shigehisa Takakuwa, Yuri Aikawa, Ippei Kurose, Hsi-Wei Yen, Kohji Tomisaka, Kengo Tomida, and Masahiro N. Machida

The Astrophysical Journal,Volume 893, Number 1, 51, 2020 April 10

• Misalignment of magnetic fields, outflows, and discs in star-forming clouds

Masahiro N. Machida, Shingo Hirano, Hideyuki Kitta

Monthly Notices of the Royal Astronomical Society, Volume 491, Issue 2, January 2020, Pages 2180-2197

2019年

• Protostellar Evolution in Serpens Main: Possible Origin of Disk-size Diversity

Yusuke Aso, Naomi Hirano, Yuri Aikawa, Masahiro N. Machida, Nagayoshi Ohashi, Masao Saito, Shigehisa Takakuwa, Hsi-Wei Yen, and Jonathan P. Williams

The Astrophysical Journal, Volume 887, Number 2, 209, 2019 December 20

• A centrally concentrated sub-solar-mass starless core in the Taurus L1495 filamentary complex

Kazuki Tokuda, Kengo Tachihara, Kazuya Saigo, Phillipe André, Yosuke Miyamoto, Sarolta Zahorecz, Shu-ichiro Inutsuka, Tomoaki Matsumoto, Tatsuyuki Takashima, Masahiro N. Machida, Kengo Tomida, Kotomi Taniguchi, Yasuo Fukui, Akiko Kawamura, Ken'ichi Tatematsu, Ryo Kandori, Toshikazu Onishi

Publications of the Astronomical Society of Japan, Volume 71, Issue 4, August 2019, 73

• ALMA reveals a pseudo-disc in a proto-brown dwarf

B. Riaz, M. N. Machida, D. Stamatellos

Monthly Notices of the Royal Astronomical Society, Volume 486, Issue 3, July 2019, Pages 4114-4129

• Driving conditions of protostellar outflows in different star-forming environments

Koki Higuchi, Masahiro N. Machida, Hajime Susa

Monthly Notices of the Royal Astronomical Society, Volume 486, Issue 3, July 2019, Pages 3741-3754

• Origin of misalignments: protostellar jet, outflow, circumstelar disc, and magnetic field

Shingo Hirano and Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 485, Issue 4, June 2019, Pages 4667-4674

• The First Bird's-eye View of a Gravitationally Unstable Accretion Disk in High-mass Star Formation

Kazuhito Motogi, Tomoya Hirota, Masahiro N. Machida, Yoshinori Yonekura, Mareki Honma, Shigehisa Takakuwa, and Satoki Matsushita

The Astrophysical Journal Letters, Volume 877, Number 2, L25, 2019 June 1

• The First Two Thousand Years of Star Formation

Masahiro N. Machida and Shantanu Basu

The Astrophysical Journal, Volume 876, Number 2, 149, 2019 May 10

• Dependence of Hall coefficient on grain size and cosmic ray rate and implication for circumstellar disc formation

Shunta Koga, Yusuke Tsukamoto, Satoshi Okuzumi, Masahiro N. Machida

Monthly Notices of the Royal Astronomical Society, Volume 484, Issue 2, April 2019, Pages 2119-2136

• ALMA High Anglular Resolution Polarization Study: An Exrtemely Young Class 0 Source, OMC-3/MMS 6

Satoko Takahashi, Masahiro N. Machida, Kohji Tomisaka, Paul T. P. Ho, Edward B. Fomalont, Kouichiro Nakanishi, and Josep Miquel Girart

The Astrophysical Journal, Volume 872, Number 1, 70, 2019 February 10

• Extremely High Excitation SiO Lines in Disk-outflow Systems in Orion Source I

Mi Kyoung Kim, Tomoya Hirota, Masahiro N. Machida,Yuko Matsushita, Kazuhito Motogi, Naoko Matsumoto, and Mareki Honma

The Astrophysical Journal, Volume 872, Number 1, 64, 2019 February 10

• A Very Compact Extremely High Velocity Flow toward MMS5/OMC-3 Revealed with ALMA

Yuko Matsushita, Satoko Takahashi, Masahiro N. Machida, and Kohji Tomisaka

The Astrophysical Journal, Volume 871, Number 2, 221, 2019 February 1

• Radio borad-band visualization of global three-dimensional magnetohydrodynamical simulations of spiral galaxies - II. Faraday depolarization from 100 MHz to 10GHz

M. Machida, T. Akahori, K. E. Nakamura, H. Nakanishi, and M. Haverkorn

Monthly Notices of the Royal Astronomical Society, Volume 482, Issue 3, January 2019, Pages 3394-3402