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自然科学研究機構アストロバイオロジーセンター/National Institutes of Natural Sciences, Astrobiology Center: 三鷹市, 東京都, JP

2015-10-01 to present | 特任教授/Project Professor
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National Institutes of Natural Sciences

東京大学大学院理学系研究科: 本郷, 文京区, JP

2015-04-01 to present | 教授
Employment
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Motohide TAMURA

Works (50 of 63)

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Revisiting Near-infrared Features of Kilonovae: The Importance of Gadolinium

The Astrophysical Journal
2025-02-10 | Journal article
Contributors: Salma Rahmouni; Masaomi Tanaka; Nanae Domoto; Daiji Kato; Kenta Hotokezaka; Wako Aoki; Teruyuki Hirano; Takayuki Kotani; Masayuki Kuzuhara; Motohide Tamura
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Crossref

An Abrupt Change in the Disk Fraction of Free-Floating Planets at the Deuterium-Burning Ignition Limit

2025-01-29 | Preprint
Contributors: Tommy Rodrigues; Hervé Bouy; Sean Raymond; Eduardo Martín; Emmanuel Bertin; Javier Olivares Romero; David Barrado; Nuria Huélamo; Motohide Tamura; Núria Miret Roig et al.
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Crossref

Weighing Single-lined Spectroscopic Binaries Using Tidal Effects on Radial Velocities: The Case of V723 Monocerotis

The Astrophysical Journal
2024-12-01 | Journal article
Contributors: Mio Tomoyoshi; Kento Masuda; Teruyuki Hirano; Yui Kasagi; Hajime Kawahara; Takayuki Kotani; Tomoyuki Kudo; Motohide Tamura; Sébastien Vievard
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Crossref

Evidence of Water Vapor in the Atmosphere of a Metal-rich Hot Saturn with High-resolution Transmission Spectroscopy

The Astronomical Journal
2024-09-01 | Journal article
Contributors: Sayyed A. Rafi; Stevanus K. Nugroho; Motohide Tamura; Lisa Nortmann; Alejandro Sánchez-López
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Crossref

ALMA 2D super-resolution imaging of Taurus–Auriga protoplanetary disks: Probing statistical properties of disk substructures

Publications of the Astronomical Society of Japan
2024-06-11 | Journal article
Contributors: Masayuki Yamaguchi; Takayuki Muto; Takashi Tsukagoshi; Hideko Nomura; Naomi Hirano; Takeshi Nakazato; Shiro Ikeda; Motohide Tamura; Ryohei Kawabe
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Crossref

Wide-spectral-band Nuller Insensitive to Finite Stellar Angular Diameter with a One-dimensional Diffraction-limited Coronagraph

The Astronomical Journal
2024-05-01 | Journal article
Contributors: Satoshi Itoh; Taro Matsuo; Motohide Tamura
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Testing Magnetospheric Accretion as an Hα Emission Mechanism of Embedded Giant Planets: The Case Study for the Disk Exhibiting Meridional Flow Around HD 163296

The Astronomical Journal
2024-03-01 | Journal article
Contributors: Yasuhiro Hasegawa; Taichi Uyama; Jun Hashimoto; Yuhiko Aoyama; Vincent Deo; Olivier Guyon; Julien Lozi; Barnaby Norris; Motohide Tamura; Sebastien Vievard
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Crossref

Tomographic Imaging of the Sagittarius Spiral Arm's Magnetic Field Structure

The Astrophysical Journal
2024-01-01 | Journal article
Contributors: Yasuo 靖生 Doi 土井; Kengo 謙吾 Nakamura 中村; Koji S. 弘治 Kawabata 川端; Masafumi 雅文 Matsumura 松村; Hiroshi 谷洋 Akitaya 秋田; Simon Coudé; Claudia V. Rodrigues; Jungmi 靜美 Kwon 權; Motohide 元秀 Tamura 田村; Mehrnoosh Tahani et al.
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Anisotropic Ionizing Illumination from an M-type Pre-main-sequence Star, DM Tau

The Astrophysical Journal
2023-08-01 | Journal article
Contributors: Yuka Terada; Hauyu Baobab Liu; David Mkrtichian; Jinshi Sai; Mihoko Konishi; Ing-Guey Jiang; Takayuki Muto; Jun Hashimoto; Motohide Tamura
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Crossref

Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star

Science
2023-04-14 | Journal article
Contributors: Thayne Currie; G. Mirek Brandt; Timothy D. Brandt; Brianna Lacy; Adam Burrows; Olivier Guyon; Motohide Tamura; Ranger Y. Liu; Sabina Sagynbayeva; Taylor Tobin et al.
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Crossref

Direct Imaging Explorations for Companions around Mid–Late M Stars from the Subaru/IRD Strategic Program 

The Astronomical Journal
2023-04-01 | Journal article
Contributors: Taichi Uyama; Charles Beichman; Masayuki Kuzuhara; Markus Janson; Takayuki Kotani; Dimitri Mawet; Bun’ei Sato; Motohide Tamura; Hiroyuki Tako Ishikawa; Bryson Cale et al.
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High-resolution Transmission Spectroscopy of the Terrestrial Exoplanet GJ 486b

The Astronomical Journal
2023-04-01 | Journal article
Contributors: Andrew Ridden-Harper; Stevanus K. Nugroho; Laura Flagg; Ray Jayawardhana; Jake D. Turner; Ernst de Mooij; Ryan MacDonald; Emily Deibert; Motohide Tamura; Takayuki Kotani et al.
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Crossref

High-contrast Imaging around a 2 Myr-old CI Tau with a Close-in Gas Giant

The Astronomical Journal
2023-01-01 | Journal article
Contributors: Toshinori Shimizu; Taichi Uyama; Yasunori Hori; Motohide Tamura; Nicole Wallack
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Crossref

Infrared spectroscopy of free-floating planet candidates in Upper Scorpius and Ophiuchus

Astronomy & Astrophysics
2022-08 | Journal article
Contributors: H. Bouy; M. Tamura; D. Barrado; K. Motohara; N. Castro Rodríguez; N. Miret-Roig; M. Konishi; S. Koyama; H. Takahashi; N. Huélamo et al.
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Monitoring Inner Regions in the RY Tau Jet

The Astronomical Journal
2022-06-01 | Journal article
Contributors: Taichi Uyama; Michihiro Takami; Gabriele Cugno; Vincent Deo; Olivier Guyon; Jun Hashimoto; Julien Lozi; Barnaby Norris; Motohide Tamura; Sebastien Vievard et al.
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Global Mapping of Surface Composition on an Exo-Earth Using Sparse Modeling

The Astrophysical Journal
2022-05-01 | Journal article
Contributors: Atsuki Kuwata; Hajime Kawahara; Masataka Aizawa; Takayuki Kotani; Motohide Tamura
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Images of embedded Jovian planet formation at a wide separation around AB Aurigae

Nature Astronomy
2022-04-04 | Journal article
Contributors: Thayne Currie; Kellen Lawson; Glenn Schneider; Wladimir Lyra; John Wisniewski; Carol Grady; Olivier Guyon; Motohide Tamura; Takayuki Kotani; Hajime Kawahara et al.
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A 38 Million Year Old Neptune-sized Planet in the Kepler Field

The Astronomical Journal
2022-03-01 | Journal article
Contributors: L. G. Bouma; J. L. Curtis; K. Masuda; L. A. Hillenbrand; G. Stefansson; H. Isaacson; N. Narita; A. Fukui; M. Ikoma; M. Tamura et al.
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Polarization-based Speckle Nulling Using a Spatial Light Modulator to Generate a Wide-field Dark Hole

The Astronomical Journal
2022-03-01 | Journal article
Contributors: Naoshi Murakami; Kenta Yoneta; Kenya Kawai; Hajime Kawahara; Takayuki Kotani; Motohide Tamura; Naoshi Baba
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A rich population of free-floating planets in the Upper Scorpius young stellar association

Nature Astronomy
2021-12-22 | Journal article
Contributors: Núria Miret-Roig; Hervé Bouy; Sean N. Raymond; Motohide Tamura; Emmanuel Bertin; David Barrado; Javier Olivares; Phillip A. B. Galli; Jean-Charles Cuillandre; Luis Manuel Sarro et al.
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ALMA Super-resolution Imaging of T Tau: r = 12 au Gap in the Compact Dust Disk around T Tau N

The Astrophysical Journal
2021-12-01 | Journal article
Contributors: Masayuki Yamaguchi; Takashi Tsukagoshi; Takayuki Muto; Hideko Nomura; Takeshi Nakazato; Shiro Ikeda; Motohide Tamura; Ryohei Kawabe
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Crossref

Multiband Imaging of the HD 36546 Debris Disk: A Refined View from SCExAO/CHARIS*

The Astronomical Journal
2021-12-01 | Journal article
Contributors: Kellen Lawson; Thayne Currie; John P. Wisniewski; Motohide Tamura; Jean-Charles Augereau; Timothy D. Brandt; Olivier Guyon; N. Jeremy Kasdin; Tyler D. Groff; Julien Lozi et al.
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Zodiacal Exoplanets in Time (ZEIT). XIV. He i Transit Spectroscopy of the 650 Myr Hyades Planet K2-136c

Research Notes of the AAS
2021-10-25 | Journal article
Contributors: Eric Gaidos; Teruyuki Hirano; Masashi Omiya; Masayuki Kuzuhara; Takayuki Kotani; Motohide Tamura; Hiroki Harakawa; Tomoyuki Kudo
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Crossref

K-band High-resolution Spectroscopy of Embedded High-mass Protostars

The Astrophysical Journal
2021-05-01 | Journal article
Contributors: Tien-Hao Hsieh; Michihiro Takami; Michael S. Connelley; Sheng-Yuan Liu; Yu-Nung Su; Naomi Hirano; Motohide Tamura; Masaaki Otsuka; Jennifer L. Karr; Tae-Soo Pyo
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Misaligned Twin Molecular Outflows from the Class 0 Protostellar Binary System VLA 1623A Unveiled by ALMA

The Astrophysical Journal
2021-05-01 | Journal article
Contributors: Chihomi Hara; Ryohei Kawabe; Fumitaka Nakamura; Naomi Hirano; Shigehisa Takakuwa; Yoshito Shimajiri; Takeshi Kamazaki; James Di Francesco; Masahiro N. Machida; Motohide Tamura et al.
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Crossref

Neutral Metals in the Atmosphere of HD 149026b

The Astronomical Journal
2021-04-01 | Journal article
Contributors: Masato Ishizuka; Hajime Kawahara; Stevanus K. Nugroho; Yui Kawashima; Teruyuki Hirano; Motohide Tamura
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Crossref

ALMA Observations of the Inner Cavity in the Protoplanetary Disk around Sz 84

The Astrophysical Journal
2021-02-01 | Journal article
Contributors: Jun Hashimoto; Takayuki Muto; Ruobing Dong; Yasuhiro Hasegawa; Nienke van der Marel; Motohide Tamura; Michihiro Takami; Munetake Momose
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Crossref

SCExAO/CHARIS Near-infrared Integral Field Spectroscopy of the HD 15115 Debris Disk

The Astronomical Journal
2020-10-01 | Journal article
Contributors: Kellen Lawson; Thayne Currie; John P. Wisniewski; Motohide Tamura; Glenn Schneider; Jean-Charles Augereau; Timothy D. Brandt; Olivier Guyon; N. Jeremy Kasdin; Tyler D. Groff et al.
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Distortion of Magnetic Fields in the Dense Core SL 42 (CrA-E) in the Corona Australis Molecular Cloud Complex

The Astrophysical Journal
2020-09-01 | Journal article
Contributors: Ryo Kandori; Motohide Tamura; Masao Saito; Kohji Tomisaka; Tomoaki Matsumoto; Ryo Tazaki; Tetsuya Nagata; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon et al.
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Limits on the Spin–Orbit Angle and Atmospheric Escape for the 22 Myr Old Planet AU Mic b*

The Astrophysical Journal Letters
2020-08-01 | Journal article
Contributors: Teruyuki Hirano; Vigneshwaran Krishnamurthy; Eric Gaidos; Heather Flewelling; Andrew W. Mann; Norio Narita; Peter Plavchan; Takayuki Kotani; Motohide Tamura; Hiroki Harakawa et al.
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Distortion of Magnetic Fields in BHR 71

The Astrophysical Journal
2020-04-01 | Journal article
Contributors: Ryo Kandori; Motohide Tamura; Masao Saito; Kohji Tomisaka; Tomoaki Matsumoto; Ryo Tazaki; Tetsuya Nagata; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon et al.
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Distortion of Magnetic Fields in Barnard 335

The Astrophysical Journal
2020-03-01 | Journal article
Contributors: Ryo Kandori; Masao Saito; Motohide Tamura; Kohji Tomisaka; Tomoaki Matsumoto; Ryo Tazaki; Tetsuya Nagata; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon et al.
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Evidence for Spin–Orbit Alignment in the TRAPPIST-1 System

The Astrophysical Journal Letters
2020-02-20 | Journal article
Contributors: Teruyuki Hirano; Eric Gaidos; Joshua N. Winn; Fei Dai; Akihiko Fukui; Masayuki Kuzuhara; Takayuki Kotani; Motohide Tamura; Maria Hjorth; Simon Albrecht et al.
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Distortion of Magnetic Fields in the Dense Core CB81 (L1774, Pipe 42) in the Pipe Nebula

The Astrophysical Journal
2020-02-10 | Journal article
Contributors: Ryo Kandori; Motohide Tamura; Masao Saito; Kohji Tomisaka; Tomoaki Matsumoto; Ryo Tazaki; Tetsuya Nagata; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon et al.
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Distortion of Magnetic Fields in a Starless Core. VI. Application of Flux Freezing Model and Core Formation of FeSt 1–457

The Astrophysical Journal
2020-01-10 | Journal article
Contributors: Ryo Kandori; Kohji Tomisaka; Masao Saito; Motohide Tamura; Tomoaki Matsumoto; Ryo Tazaki; Tetsuya Nagata; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon et al.
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JCMT BISTRO Survey: Magnetic Fields within the Hub-filament Structure in IC 5146

The Astrophysical Journal
2019-05-01 | Journal article
Contributors: Jia-Wei Wang; Shih-Ping Lai; Chakali Eswaraiah; Kate Pattle; James Di Francesco; Doug Johnstone; Patrick M. Koch; Tie Liu; Motohide Tamura; Ray S. Furuya et al.
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Magnetic Stability of Massive Star-forming Clumps in RCW 106

The Astrophysical Journal Letters
2019-04-20 | Journal article
Contributors: Shohei Tamaoki; Koji Sugitani; Quang Nguyen-Luong; Fumitaka Nakamura; Takayoshi Kusune; Takahiro Nagayama; Makoto Watanabe; Shogo Nishiyama; Motohide Tamura
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Crossref

A Tail Structure Associated with a Protoplanetary Disk around SU Aurigae

The Astronomical Journal
2019-04-01 | Journal article
Contributors: Eiji Akiyama; Eduard I. Vorobyov; Hauyu Baobabu Liu; Ruobing Dong; Jerome de Leon; Sheng-Yuan Liu; Motohide Tamura
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High-resolution Transit Spectroscopy of Warm Saturns

The Astronomical Journal
2019-02-01 | Journal article
Contributors: Emily K. Deibert; Ernst J. W. de Mooij; Ray Jayawardhana; Jonathan J. Fortney; Matteo Brogi; Zafar Rustamkulov; Motohide Tamura
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ALMA Observations of the ρ Ophiuchus B2 Region. I. Molecular Outflows and Their Driving Sources

The Astrophysical Journal
2019-01-20 | Journal article
Contributors: Takeshi Kamazaki; Fumitaka Nakamura; Ryohei Kawabe; Chihomi Hara; Shigehisa Takakuwa; Naomi Hirano; James Di Francesco; Rachel Friesen; Motohide Tamura
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Distortion of Magnetic Fields in a Starless Core. V. Near-infrared and Submillimeter Polarization in FeSt 1-457

The Astrophysical Journal
2018-12-01 | Journal article
Contributors: Ryo Kandori; Tetsuya Nagata; Ryo Tazaki; Motohide Tamura; Masao Saito; Kohji Tomisaka; Tomoaki Matsumoto; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon et al.
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SCExAO/CHARIS Near-infrared Direct Imaging, Spectroscopy, and Forward-Modeling of κ And b: A Likely Young, Low-gravity Superjovian Companion

The Astronomical Journal
2018-11-30 | Journal article
Contributors: Thayne Currie; Timothy D. Brandt; Taichi Uyama; Eric L. Nielsen; Sarah Blunt; Olivier Guyon; Motohide Tamura; Christian Marois; Kyle Mede; Masayuki Kuzuhara et al.
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Distortion of Magnetic Fields in a Starless Core. IV. Magnetic Field Scaling on Density and Mass-to-flux Ratio Distribution in FeSt 1-457

The Astrophysical Journal
2018-10-01 | Journal article
Contributors: Ryo Kandori; Kohji Tomisaka; Motohide Tamura; Masao Saito; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon; Takahiro Nagayama; Tetsuya Nagata; Ken’ichi Tatematsu
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Crossref

Near-infrared Polarimetry of the Outflow Source AFGL 6366S: Detection of Circular Polarization

The Astronomical Journal
2018-07-01 | Journal article
Contributors: Jungmi Kwon; Takao Nakagawa; Motohide Tamura; James H. Hough; Ryo Kandori; Minho Choi; Miju Kang; Jungyeon Cho; Yasushi Nakajima; Tetsuya Nagata
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A First Look at BISTRO Observations of the ρ Oph-A core

The Astrophysical Journal
2018-05-20 | Journal article
Contributors: Jungmi Kwon; Yasuo Doi; Motohide Tamura; Masafumi Matsumura; Kate Pattle; David Berry; Sarah Sadavoy; Brenda C. Matthews; Derek Ward-Thompson; Tetsuo Hasegawa et al.
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Distortion of Magnetic Fields in a Starless Core. III. Polarization–Extinction Relationship in FeSt 1-457

The Astrophysical Journal
2018-04-20 | Journal article
Contributors: Ryo Kandori; Motohide Tamura; Tetsuya Nagata; Kohji Tomisaka; Nobuhiko Kusakabe; Yasushi Nakajima; Jungmi Kwon; Takahiro Nagayama; Ken’ichi Tatematsu
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Crossref

First Near-infrared Imaging Polarimetry of Young Stellar Objects in the Circinus Molecular Cloud

The Astrophysical Journal Supplement Series
2018-02-01 | Journal article
Contributors: Jungmi Kwon; Takao Nakagawa; Motohide Tamura; James H. Hough; Minho Choi; Ryo Kandori; Tetsuya Nagata; Miju Kang
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Crossref

Star Formation in the Sh 2-53 Region Influenced by Accreting Molecular Filaments

The Astrophysical Journal
2018-01-10 | Journal article
Contributors: T. Baug; L. K. Dewangan; D. K. Ojha; Kengo Tachihara; A. K. Pandey; Saurabh Sharma; M. Tamura; J. P. Ninan; S. K. Ghosh
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Understanding the Links among the Magnetic Fields, Filament, Bipolar Bubble, and Star Formation in RCW 57A Using NIR Polarimetry

The Astrophysical Journal
2017-12-01 | Journal article
Contributors: Chakali Eswaraiah; Shih-Ping Lai; Wen-Ping Chen; A. K. Pandey; M. Tamura; G. Maheswar; S. Sharma; Jia-Wei Wang; S. Nishiyama; Y. Nakajima et al.
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Distortion of Magnetic Fields in a Starless Core II: 3D Magnetic Field Structure of FeSt 1-457

The Astrophysical Journal
2017-10-20 | Journal article
Contributors: Ryo Kandori; Motohide Tamura; Kohji Tomisaka; Yasushi Nakajima; Nobuhiko Kusakabe; Jungmi Kwon; Takahiro Nagayama; Tetsuya Nagata; Ken’ichi Tatematsu
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Crossref
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