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The JCMT BISTRO Survey: Magnetic Fields Associated with a Network of Filaments in NGC 1333

Yasuo Doi Tetsuo Hasegawa Ray S. Furuya Simon Coudé Charles L. H. Hull Doris Arzoumanian Pierre Bastien Michael Chun-Yuan Chen James Di Francesco Rachel Friesen Martin Houde Shu-Ichiro Inutsuka Steve Mairs Masafumi Matsumura Takashi Onaka Sarah Sadavoy Yoshito Shimajiri Mehrnoosh Tahani Kohji Tomisaka Chakali Eswaraiah Patrick M. Koch Kate Pattle Chang Won Lee Motohide Tamura David Berry Tao-Chung Ching Jihye Hwang Woojin Kwon Archana Soam Jia-Wei Wang Shih-Ping Lai Keping Qiu Derek Ward-Thompson Do-Young Byun Huei-Ru Vivien Chen Wen Ping Chen Zhiwei Chen Jungyeon Cho Minho Choi Yunhee Choi Antonio Chrysostomou Eun Jung Chung Pham Ngoc Diep Hao-Yuan Duan Lapo Fanciullo Jason Fiege Erica Franzmann Per Friberg Gary Fuller Tim Gledhill Sarah F. Graves Jane S. Greaves Matt J. Griffin Qilao Gu Ilseung Han Jennifer Hatchell Saeko S. Hayashi Thiem Hoang Tsuyoshi Inoue Kazunari Iwasaki Il-Gyo Jeong Doug Johnstone Yoshihiro Kanamori Ji-Hyun Kang Miju Kang Sung-Ju Kang Akimasa Kataoka Koji S. Kawabata Francisca Kemper Gwanjeong Kim Jongsoo Kim Kee-Tae Kim Kyoung Hee Kim Mi-Ryang Kim Shinyoung Kim Jason M. Kirk Masato I. N. Kobayashi Vera Konyves Takayoshi Kusune Jungmi Kwon Kevin Lacaille Chi-Yan Law Chin-Fei Lee Hyeseung Lee Jeong-Eun Lee Sang-Sung Lee Yong-Hee Lee Dalei Li Di Li Hua-Bai Li Hong-Li Liu Junhao Liu Sheng-Yuan Liu Tie Liu Ilse de Looze A. -Ran Lyo Brenda C. Matthews Gerald H. Moriarty-Schieven Tetsuya Nagata Fumitaka Nakamura Hiroyuki Nakanishi Nagayoshi Ohashi Geumsook Park Harriet Parsons Nicolas Peretto Tae-Soo Pyo Lei Qian Ramprasad Rao Mark G. Rawlings Brendan Retter John Richer Andrew Rigby Hiro Saito Giorgio Savini Anna M. M. Scaife Masumichi Seta Hiroko Shinnaga Ya-Wen Tang Yusuke Tsukamoto Serena Viti Hongchi Wang Anthony P. Whitworth Hsi-Wei Yen Hyunju Yoo Jinghua Yuan Hyeong-Sik Yun Tetsuya Zenko Chuan-Peng Zhang Guoyin Zhang Yapeng Zhang Jianjun Zhou Lei Zhu Philippe André C. Darren Dowell Stewart P. S. Eyres Sam Falle Sven van Loo Jean-François Robitaille 1 
Abstract : We present new observations of the active star formation region NGC 1333 in the Perseus molecular cloud complex from the James Clerk Maxwell Telescope B-Fields In Star-forming Region Observations (BISTRO) survey with the POL-2 instrument. The BISTRO data cover the entire NGC 1333 complex (∼1.5 pc × 2 pc) at 0.02 pc resolution and spatially resolve the polarized emission from individual filamentary structures for the first time. The inferred magnetic field structure is complex as a whole, with each individual filament aligned at different position angles relative to the local field orientation. We combine the BISTRO data with low- and high- resolution data derived from Planck and interferometers to study the multiscale magnetic field structure in this region. The magnetic field morphology drastically changes below a scale of ∼1 pc and remains continuous from the scales of filaments (∼0.1 pc) to that of protostellar envelopes (∼0.005 pc or ∼1000 au). Finally, we construct simple models in which we assume that the magnetic field is always perpendicular to the long axis of the filaments. We demonstrate that the observed variation of the relative orientation between the filament axes and the magnetic field angles are well reproduced by this model, taking into account the projection effects of the magnetic field and filaments relative to the plane of the sky. These projection effects may explain the apparent complexity of the magnetic field structure observed at the resolution of BISTRO data toward the filament network.
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Submitted on : Monday, June 27, 2022 - 8:34:54 AM
Last modification on : Tuesday, August 2, 2022 - 3:10:43 AM

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Yasuo Doi, Tetsuo Hasegawa, Ray S. Furuya, Simon Coudé, Charles L. H. Hull, et al.. The JCMT BISTRO Survey: Magnetic Fields Associated with a Network of Filaments in NGC 1333. The Astrophysical Journal, 2020, 899, ⟨10.3847/1538-4357/aba1e2⟩. ⟨insu-03705186⟩

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