B-fields in Star-forming Region Observations (BISTRO): Magnetic Fields in the Filamentary Structures of Serpens Main
Journal article, 2022
We present 850 mu m polarimetric observations toward the Serpens Main molecular cloud obtained using the POL-2 polarimeter on the James Clerk Maxwell Telescope as part of the B-fields In STar-forming Region Observations survey. These observations probe the magnetic field morphology of the Serpens Main molecular cloud on about 6000 au scales, which consists of cores and six filaments with different physical properties such as density and star formation activity. Using the histogram of relative orientation (HRO) technique, we find that magnetic fields are parallel to filaments in less-dense filamentary structures where NH2 < 0.93 x 10(22) cm(-2) (magnetic fields perpendicular to density gradients), while they are perpendicular to filaments (magnetic fields parallel to density gradients) in dense filamentary structures with star formation activity. Moreover, applying the HRO technique to denser core regions, we find that magnetic field orientations change to become perpendicular to density gradients again at NH2 approximate to 4.6 x 10(22) NH2 approximate to 16 x 10(22) cm(-2), magnetic fields change back to being parallel to density gradients once again, which can be understood to be due to magnetic fields being dragged in by infalling material. In addition, we estimate the magnetic field strengths of the filaments (B-POS = 60-300 mu G)) using the Davis-Chandrasekhar-Fermi method and discuss whether the filaments are gravitationally unstable based on magnetic field and turbulence energy densities.
Author
Woojin Kwon
Seoul National University
Kate Pattle
University College London (UCL)
National University of Ireland Galway
Sarah Sadavoy
Queen's University
Charles L. H. Hull
National Astronomical Observatory of Japan
Atacama Large Millimeter-submillimeter Array (ALMA)
D. Johnstone
University of Victoria
National Research Council Canada
Derek Ward-Thompson
University of Central Lancashire
James Di Francesco
National Research Council Canada
University of Victoria
Patrick M. Koch
Academia Sinica
Ray Furuya
Tokushima University
Yasuo Doi
University of Tokyo
Valentin J. M. Le Gouellec
NASA Ames Research Center
University Paris-Saclay
Jihye Hwang
Korea Astronomy and Space Science Institute
University of Science and Technology (UST)
A-Ran Lyo
Korea Astronomy and Space Science Institute
Archana Soam
NASA Ames Research Center
Indian Institute of Astrophysics
Xindi Tang
Chinese Academy of Sciences
Thiem Hoang
University of Science and Technology (UST)
Korea Astronomy and Space Science Institute
Florian Kirchschlager
University College London (UCL)
Chakali Eswaraiah
Chinese Academy of Sciences
Indian Institute of Science Education & Research (IISER)
Lapo Fanciullo
Academia Sinica
Kyoung Hee Kim
Korea Astronomy and Space Science Institute
Takashi Onaka
University of Tokyo
Meisei University
Vera Konyves
University of Central Lancashire
Ji-hyun Kang
Korea Astronomy and Space Science Institute
Chang Won Lee
University of Science and Technology (UST)
Korea Astronomy and Space Science Institute
Motohide Tamura
National Institutes of Natural Sciences
University of Tokyo
Pierre Bastien
Université de Montréal
Tetsuo Hasegawa
National Institutes of Natural Sciences
Shih-Ping Lai
National Tsing Hua University
Academia Sinica
Keping Qiu
Nanjing University
David Berry
East Asian Observatory
Doris Arzoumanian
Aix Marseille University
Tyler L. Bourke
University of Manchester
Square Kilometre Array, UK
Do-Young Byun
University of Science and Technology (UST)
Korea Astronomy and Space Science Institute
Wen Ping Chen
National Central University
Huei-Ru Vivien Chen
Korea Astronomy and Space Science Institute
Mike Chen
National Tsing Hua University
Academia Sinica
Zhiwei Chen
University of Victoria
Tao-Chung Ching
Chinese Academy of Sciences
Jungyeon Cho
Chinese Academy of Sciences
Yunhee Choi
Chungnam National University
Minho Choi
Korea Astronomy and Space Science Institute
Antonio Chrysostomou
Square Kilometre Array, UK
Eun Jung Chung
Chungnam National University
Simon Coude
NASA Ames Research Center
Sophia Dai
Chinese Academy of Sciences
Pham Ngoc Diep
Vietnam Academy of Science and Technology
Yan Duan
Chinese Academy of Sciences
Hao-Yuan Duan
National Tsing Hua University
David Eden
Liverpool John Moores University
Jason Fiege
University of Manitoba
Laura M. Fissel
Queen's University
Erica Franzmann
University of Manitoba
Per Friberg
East Asian Observatory
Rachel Friesen
National Radio Astronomy Observatory
Gary Fuller
University of Manchester
Tim Gledhill
University of Hertfordshire
Sarah Graves
East Asian Observatory
Jane Greaves
Cardiff University
Matt Griffin
Cardiff University
Qilao Gu
Chinese University of Hong Kong
Ilseung Han
Korea Astronomy and Space Science Institute
University of Science and Technology (UST)
Jennifer Hatchell
University of Exeter
Saeko Hayashi
National Astronomical Observatory of Japan
Martin Houde
Western University
Tsuyoshi Inoue
Nagoya University
Shu-ichiro Inutsuka
Nagoya University
Kazunari Iwasaki
Doshisha University
Il-Gyo Jeong
Kyungpook National University
Korea Astronomy and Space Science Institute
Miju Kang
Korea Astronomy and Space Science Institute
Janik Karoly
University of Central Lancashire
Akimasa Kataoka
National Astronomical Observatory of Japan
Koji Kawabata
Hiroshima University
Francisca Kemper
European Southern Observatory Santiago
Academia Sinica
Kee-Tae Kim
University of Science and Technology (UST)
Korea Astronomy and Space Science Institute
Gwanjeong Kim
National Institutes of Natural Sciences
Mi-Ryang Kim
Korea Astronomy and Space Science Institute
Shinyoung Kim
Korea Astronomy and Space Science Institute
University of Science and Technology (UST)
Jongsoo Kim
Korea Astronomy and Space Science Institute
University of Science and Technology (UST)
Jason Kirk
University of Central Lancashire
Masato I. N. Kobayashi
Tohoku University
Takayoshi Kusune
Tohoku University
Jungmi Kwon
University of Tokyo
Kevin Lacaille
Dalhousie University
McMaster University
Chi Yan Law
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
Chin-Fei Lee
Academia Sinica
Yong-Hee Lee
East Asian Observatory
Kyung Hee University
Hyeseung Lee
Chungnam National University
Jeong-Eun Lee
Kyung Hee University
Sang-Sung Lee
Korea Astronomy and Space Science Institute
University of Science and Technology (UST)
Dalei Li
Chinese Academy of Sciences
Di Li
Chinese Academy of Sciences
Hua-bai Li
Chinese University of Hong Kong
Sheng-Jun Lin
National Tsing Hua University
Sheng-Yuan Liu
Academia Sinica
Hong-Li Liu
Yunnan University
Junhao Liu
East Asian Observatory
Tie Liu
Chinese Academy of Sciences
Xing Lu
National Astronomical Observatory of Japan
Steve Mairs
East Asian Observatory
Masafumi Matsumura
Kagawa University
Brenda Matthews
National Research Council Canada
University of Victoria
Gerald Moriarty-Schieven
National Research Council Canada
Tetsuya Nagata
Kyoto University
Fumitaka Nakamura
The Graduate University for Advanced Studies (SOKENDAI)
National Astronomical Observatory of Japan
Hiroyuki Nakanishi
Kagoshima University
Nguyen Bich Ngoc
Vietnam Academy of Science and Technology
Okinawa Institute of Science and Technology Graduate University
Nagayoshi Ohashi
Academia Sinica
Geumsook Park
Korea Astronomy and Space Science Institute
Harriet Parsons
East Asian Observatory
Nicolas Peretto
Cardiff University
Felix Priestley
Cardiff University
Tae-Soo Pyo
The Graduate University for Advanced Studies (SOKENDAI)
National Astronomical Observatory of Japan
Lei Qian
Chinese Academy of Sciences
Ramprasad Rao
Academia Sinica
Mark G. Rawlings
East Asian Observatory
NSF's National Optical-Infrared Astronomy Research Laboratory (NOIRLab)
Brendan Retter
Cardiff University
John Richer
University of Cambridge
Andrew Rigby
Cardiff University
Hiro Saito
University of Tsukuba
Giorgio Savini
University College London (UCL)
Masumichi Seta
Kwansei Gakuin University
Yoshito Shimajiri
National Institutes of Natural Sciences
Hiroko Shinnaga
Kagoshima University
Mehrnoosh Tahani
National Research Council Canada
Ya-Wen Tang
Academia Sinica
Kohji Tomisaka
National Astronomical Observatory of Japan
The Graduate University for Advanced Studies (SOKENDAI)
Le Ngoc Tram
Vietnam Academy of Science and Technology
Yusuke Tsukamoto
Kagoshima University
Serena Viti
University College London (UCL)
Hongchi Wang
Chinese Academy of Sciences
Jia-Wei Wang
Academia Sinica
Anthony Whitworth
Cardiff University
Jintai Wu
Nanjing University
Jinjin Xie
Chinese Academy of Sciences
Hsi-Wei Yen
Academia Sinica
Hyunju Yoo
Korea Astronomy and Space Science Institute
Jinghua Yuan
Chinese Academy of Sciences
Hyeong-Sik Yun
Kyung Hee University
Tetsuya Zenko
Kyoto University
Yapeng Zhang
Beijing Normal University
Chuan-Peng Zhang
Chinese Academy of Sciences
Guoyin Zhang
Chinese Academy of Sciences
Jianjun Zhou
Chinese Academy of Sciences
Lei Zhu
Chinese Academy of Sciences
Ilse de Looze
University College London (UCL)
Philippe Andre
Paris Diderot University
C. Darren Dowell
Jet Propulsion Laboratory, California Institute of Technology
Stewart Eyres
University of South Wales
Sam Falle
University of Leeds
Jean-Francois Robitaille
Grenoble Alpes University
Sven van Loo
University of Leeds
Astrophysical Journal
0004-637X (ISSN) 1538-4357 (eISSN)
Vol. 926 2 163Subject Categories
Astronomy, Astrophysics and Cosmology
Fusion, Plasma and Space Physics
Condensed Matter Physics
DOI
10.3847/1538-4357/ac4bbe