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The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-filament Structure, Monoceros R2 | |
Hwang, Jihye1,2; Kim, Jongsoo1,2; Pattle, Kate3; Lee, Chang Won1,2; Koch, Patrick M.4; Johnstone, Doug5,6; Tomisaka, Kohji7,8; Whitworth, Anthony9; Furuya, Ray S.10; Kang, Ji-hyun1; Lyo, A-Ran1; Chung, Eun Jung11; Arzoumanian, Doris12; Park, Geumsook1; Kwon, Woojin13,14; Kim, Shinyoung1; Tamura, Motohide15,16,17; Kwon, Jungmi15; Soam, Archana18; Han, Ilseung1,2; Hoang, Thiem1,2; Kim, Kyoung Hee1,19; Onaka, Takashi15,20; Eswaraiah, Chakali21; Ward-Thompson, Derek22; Liu, Hong-Li23; Tang, Xindi24![]() ![]() ![]() ![]() | |
2022-12-01 | |
Source Publication | Astrophysical Journal
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ISSN | 0004-637X |
Volume | 941Issue:1Pages:1951 |
Contribution Rank | 24 |
Abstract | We present and analyze observations of polarized dust emission at 850 mu m toward the central 1 x 1 pc hub-filament structure of Monoceros R2 (Mon R2). The data are obtained with SCUBA-2/POL-2 on the James Clerk Maxwell Telescope (JCMT) as part of the B-fields in Star-forming Region Observations survey. The orientations of the magnetic field follow the spiral structure of Mon R2, which are well described by an axisymmetric magnetic field model. We estimate the turbulent component of the magnetic field using the angle difference between our observations and the best-fit model of the underlying large-scale mean magnetic field. This estimate is used to calculate the magnetic field strength using the Davis-Chandrasekhar-Fermi method, for which we also obtain the distribution of volume density and velocity dispersion using a column density map derived from Herschel data and the (CO)-O-18 (J = 3 - 2) data taken with HARP on the JCMT, respectively. We make maps of magnetic field strengths and mass-to-flux ratios, finding that magnetic field strengths vary from 0.02 to 3.64 mG with a mean value of 1.0 +/- 0.06 mG, and the mean critical mass-to-flux ratio is 0.47 +/- 0.02. Additionally, the mean Alfven Mach number is 0.35 +/- 0.01. This suggests that, in Mon R2, the magnetic fields provide resistance against large-scale gravitational collapse, and the magnetic pressure exceeds the turbulent pressure. We also investigate the properties of each filament in Mon R2. Most of the filaments are aligned along the magnetic field direction and are magnetically subcritical. |
Keyword | dense cores scuba-2 1st polarization gravity regions clouds pol-2 model Astronomy & Astrophysics |
Subtype | Article |
DOI | 10.3847/1538-4357/ac99e0 |
Indexed By | SCI |
Language | 英语 |
WOS ID | WOS:000927885400001 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.xao.ac.cn/handle/45760611-7/5135 |
Collection | 射电天文研究室_恒星形成与演化研究团组 |
Affiliation | 1.Korea Astronomy and Space Science Institute (KASI), 776 Daedeokdae-ro, Yuseong-gu, Daejeon 34055, Republic of Korea; hjh3772@gmail.com; 2.University of Science and Technology, Korea (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea; 3.Department of Physics and Astronomy, University College London, WC1E 6BT London, UK; 4.Academia Sinica Institute of Astronomy and Astrophysics, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan; 5.NRC Herzberg Astronomy and Astrophysics, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada; 6.Department of Physics and Astronomy, University of Victoria, Victoria, BC V8W 2Y2, Canada; 7.Division of Theoretical Astronomy, National Astronomical Observatory of Japan, Mitaka, Tokyo 181-8588, Japan; 8.SOKENDAI (The Graduate University for Advanced Studies), Hayama, Kanagawa 240-0193, Japan; 9.School of Physics and Astronomy, Cardiff University, The Parade, Cardiff, CF24 3AA, UK; 10.Institute of Liberal Arts and Sciences Tokushima University, Minami Jousanajima-machi 1-1, Tokushima 770-8502, Japan; 11.Department of Astronomy and Space Science, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; 12.Division of Science, National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan; 13.Department of Earth Science Education, Seoul National University (SNU), 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; 14.SNU Astronomy Research Center, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; 15.Department of Astronomy, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan; 16.National Astronomical Observatory of Japan, National Institutes of Natural Sciences, Osawa, Mitaka, Tokyo 181-8588, Japan; 17.Astrobiology Center, National Institutes of Natural Sciences, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan; 18.Indian Institute of Astrophysics, II Block, Koramangala, Bengaluru 560034, India; 19.Basic science building 108, 50 UNIST-gil, Eonyang-eup, Ulju-gun, Ulsan; 20.Department of Physics, Faculty of Science and Engineering, Meisei University, 2-1-1 Hodokubo, Hino, Tokyo 191-8506, Japan; 21.Indian Institute of Science Education and Research (IISER) Tirupati, Rami Reddy Nagar, Karakambadi Road, Mangalam (P.O.), Tirupati 517 507, India; 22.Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK; 23.Department of Astronomy, Yunnan University, Kunming, 650091, People’s Republic of China; 24.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 830011 Urumqi, People’s Republic of China; 25.Institute of Astronomy, National Central University, Zhongli 32001, Taiwan; 26.Faculty of Education & Center for Educational Development and Support, Kagawa University, Saiwai-cho 1-1, Takamatsu, Kagawa, 760-8522, Japan; 27.Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), UTIAS, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan; 28.University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Hanoi, Vietnam; 29.Purple Mountain Observatory, Chinese Academy of Sciences, 10 Yuanhua Road, 210023, Nanjing, Peopleʼs Republic of China; 30.SOFIA Science Center, Universities Space Research Association, NASA Ames Research Center, Moffett Field, California 94035, USA; 31.Université Paris-Saclay, CNRS, CEA, Astrophysique, Instrumentation et Modélisation de Paris-Saclay, F-91191 Gif-sur-Yvette, France; 32.Instituto de Astrofisíca de Canarias, E-38200 La Laguna,Tenerife, Canary Islands, Spain; 33.Departamento de Astrofísica, Universidad de La Laguna (ULL), E-38206 La Laguna, Tenerife, Spain; 34.Centre de recherche en astrophysique du Québec & département de physique, Université de Montréal, 1375, Avenue Thérése-Lavoi-Roux, Montréal, QC, H2V OB3, Canada; 35.School of Astronomy and Space Science, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, People’s Republic of China; 36.Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, Nanjing 210023, People’s Republic of China; 37.Institute of Astronomy and Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan; 38.Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; 39.Department of Astronomy and Atmospheric Sciences, Kyungpook National University, Daegu 41566, Republic of Korea; 40.School of Space Research, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea; 41.East Asian Observatory, 660 N. A’ohōkū Place, University Park, Hilo, HI 96720, USA; 42.Department of Physics and Astronomy, The University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada; 43.Department for Physics, Engineering Physics and Astrophysics, Queen’s University, Kingston, ON, K7L 3N6, Canada; 44.Department of Physics and Astronomy, The University of Western Ontario, 1151 Richmond Street, London N6A 3K7, Canada; 45.Department of Physics and Astronomy, McMaster University, Hamilton, ON L8S 4M1 Canada; 46.Department of Physics and Atmospheric Science, Dalhousie University, Halifax B3H 4R2, Canada; 47.Dominion Radio Astrophysical Observatory, Herzberg Astronomy and Astrophysics Research Centre, National Research Council Canada, P.O. Box 248, Penticton, BC V2A 6J9 Canada; 48.Banting and KIPAC Fellow: Kavli Institute for Particle Astrophysics & Cosmology (KIPAC), Stanford University, Stanford, CA 94305, USA; 49.Research Center for Intelligent Computing Platforms, Zhejiang Lab, Hangzhou 311100, People’S Republic of China; 50.Chinese Academy of Sciences South America Center for Astronomy (CASSACA), National Astronomical Observatories(NAOC), 20A Datun Road, Beijing 100012, Peopleʼs Republic of China; 51.National Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Road, Chaoyang District, Beijing 100012, People’s Republic of China; 52.Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People’s Republic of China; 53.Department of Physics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, People’s Republic of China; 54.Department of Space, Earth & Environment, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden; 55.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 150 Science 1-Street, Urumqi 830011, Xinjiang, People’s Republic of China; 56.Research Center for Intelligent Computing, Zhejiang Laboratory, Hangzhou 311100, Peopleʼs Republic of China; 57.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People’s Republic of China; 58.CAS Key Laboratory of FAST, National Astronomical Observatories, Chinese Academy of Sciences, People’s Republic of China; 59.Purple Mountain Observatory, Chinese Academy of Sciences, 2 West Beijing Road, 210008 Nanjing, People’s Republic of China; 60.Department of Astronomy, Beijing Normal University, Beijing 100875, Peopleʼs Republic of China; 61.Gemini Observatory/NSF’s NOIRLab, 670 N. A’ohoku Place, Hilo, HI 96720, USA; 62.Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan; 63.Subaru Telescope, National Astronomical Observatory of Japan, 650 N. A’ohōkū Place, Hilo, HI 96720, USA; 64.National Astronomical Observatory of Japan, Alonso de Córdova 3788, Office 61B, Vitacura, Santiago, Chile; 65.Joint ALMA Observatory, Alonso de Córdova 3107, Vitacura, Santiago, Chile; 66.Department of Physics, Konan University, Okamoto 8-9-1, Higashinada-ku, Kobe 658-8501, Japan; 67.Department of Physics, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan; 68.Department of Environmental Systems Science, Doshisha University, Tatara, Miyakodani 1-3, Kyotanabe, Kyoto 610-0394, Japan; 69.Hiroshima Astrophysical Science Center, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan; 70.Department of Physics, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan; 71.Core Research for Energetic Universe (CORE-U), Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan; 72.Nobeyama Radio Observatory, National Astronomical Observatory of Japan, National Institutes of Natural Sciences, Nobeyama, Minamimaki, Minamisaku, Nagano 384-1305, Japan; 73.Department of Astronomy, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan; 74.Department of Physics and Astronomy, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima, Kagoshima 890-0065, Japan; 75.Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan; 76.Department of Physics, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan; 77.National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City 402, Taiwan; 78.Institut de Ciencies de l’Espai (ICE, CSIC), Can Magrans, s/n, E-08193 Bellaterra, Barcelona, Spain; 79.ICREA, Pg. Lluís Companys 23, Barcelona, Spain; 80.Institut d’Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, Spain; 81.SKA Observatory, Jodrell Bank, Lower Withington, Macclesfield SK11 9FT, UK; 82.Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester, M13 9PL, UK; 83.Armagh Observatory and Planetarium, College Hill, Armagh BT61 9DG, UK; 84.University of South Wales, Pontypridd, CF37 1DL, UK; 85.Department of Applied Mathematics, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, UK; 86.School of Physics, Astronomy & Mathematics, University of Hertfordshire, College Lane, Hatfield, Hertfordshire AL10 9AB, UK; 87.Physics and Astronomy, University of Exeter, Stocker Road, Exeter EX4 4QL, UK; 88.Astrophysics Research Institute, Liverpool John Moores University, 146 Brownlow Hill, Liverpool L3 5RF, UK; 89.School of Physics and Astronomy, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, UK; 90.Physics & Astronomy Dept., University College London, WC1E 6BT London, UK; 91.Astrophysics Group, Cavendish Laboratory, J.J. Thomson Avenue, Cambridge CB3 0HE, UK; 92.Kavli Institute for Cosmology, Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, UK; 93.OSL, Physics & Astronomy Dept., University College London, WC1E 6BT London, UK; 94.Vietnam National Space Center, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam; 95.Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; 96.Laboratoire AIM CEA/DSM-CNRS-Université Paris Diderot, IRFU/Service d’Astrophysique, CEA Saclay, F-91191 Gif-sur-Yvette, France; 97.Jet Propulsion Laboratory, M/S 169-506, 4800 Oak Grove Drive, Pasadena, CA 91109, USA; 98.National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA; 99.Univ. Grenoble Alpes, CNRS, IPAG, F-38000 Grenoble, France |
Recommended Citation GB/T 7714 | Hwang, Jihye,Kim, Jongsoo,Pattle, Kate,et al. The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-filament Structure, Monoceros R2[J]. Astrophysical Journal,2022,941(1):1951. |
APA | Hwang, Jihye.,Kim, Jongsoo.,Pattle, Kate.,Lee, Chang Won.,Koch, Patrick M..,...&Robitaille, Jean-Francois.(2022).The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-filament Structure, Monoceros R2.Astrophysical Journal,941(1),1951. |
MLA | Hwang, Jihye,et al."The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-filament Structure, Monoceros R2".Astrophysical Journal 941.1(2022):1951. |
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