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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
A First Look at BISTRO Observations of the ρ Oph-A core
Astrophysical Journal, Volume 859, No. 1, Article 4, Year 2018
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Description
We present 850 μm imaging polarimetry data of the ρ Oph-A core taken with the Submillimeter Common-User Bolometer Array-2 (SCUBA-2) and its polarimeter (POL-2) as part of our ongoing survey project, -fields In STar forming RegiOns (BISTRO). The polarization vectors are used to identify the orientation of the magnetic field projected on the plane of the sky at a resolution of 0.01 pc. We identify 10 subregions with distinct polarization fractions and angles in the 0.2 pc ρ Oph-A core; some of them can be part of a coherent magnetic field structure in the ρ Oph region. The results are consistent with previous observations of the brightest regions of ρ Oph-A, where the degrees of polarization are at a level of a few percent, but our data reveal for the first time the magnetic field structures in the fainter regions surrounding the core where the degree of polarization is much higher (>5%). A comparison with previous near-infrared polarimetric data shows that there are several magnetic field components that are consistent at near-infrared and submillimeter wavelengths. Using the Davis-Chandrasekhar-Fermi method, we also derive magnetic field strengths in several subcore regions, which range from approximately 0.2 to 5 mG. We also find a correlation between the magnetic field orientations projected on the sky and the core centroid velocity components. © 2018. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Kwon, Jungmi
Japan, Chofu
Japan Aerospace Exploration Agency
Doi, Yasuo
Japan, Tokyo
The University of Tokyo
Tamura, Motohide
Japan, Tokyo
The University of Tokyo
Japan, Mitaka
National Institutes of Natural Sciences - Astrobiology Center
Japan, Minato
National Institutes of Natural Sciences
Matsumura, Masafumi
Japan, Takamatsu
Kagawa University
Pattle, Kate M.
Japan, Minato
National Institutes of Natural Sciences
United Kingdom, Preston
University of Central Lancashire
Taiwan, Hsinchu
National Tsing Hua University
Berry, David S.
United States, Hilo
East Asian Observatory
Sadavoy, Sarah I.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Matthews, Brenda C.
Canada, Ottawa
National Research Council Canada
Canada, Victoria
University of Victoria
Ward-Thompson, Derek
United Kingdom, Preston
University of Central Lancashire
Hasegawa, Tetsuo
Japan, Minato
National Institutes of Natural Sciences
Furuya, Ray S.
Japan, Tokushima
Tokushima University
Di Francesco, James D.
Canada, Ottawa
National Research Council Canada
Canada, Victoria
University of Victoria
Arzoumanian, Doris
Japan, Nagoya
Nagoya University
Kawabata, Koji S.
Japan, Higashihiroshima
Hiroshima University
Onaka, Takahashi
Japan, Tokyo
The University of Tokyo
Choi, Minho
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kang, Miju
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Hoang, Thiem C.
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Lee, Chang-won
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Lee, Sang-sung
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Liu, Hongli
Hong Kong, Hong Kong
Chinese University of Hong Kong
Liu, Tie
Taiwan, Hsinchu
National Tsing Hua University
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Inutsuka, Shu Ichiro
Japan, Nagoya
Nagoya University
Eswaraiah, Chakali
Taiwan, Hsinchu
National Tsing Hua University
Bastien, Pierre
Canada, Montreal
University of Montreal
Kwon, Woojin
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Lai, Shihping
Taiwan, Hsinchu
National Tsing Hua University
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Qiu, Keping
China, Beijing
Ministry of Education of the People's Republic of China
Canada, Winnipeg
University of Manitoba
Coude, Simon
Canada, Montreal
University of Montreal
Franzmann, Erica
Canada, Winnipeg
University of Manitoba
Friberg, Per
United States, Hilo
East Asian Observatory
Graves, Sarah F.
United States, Hilo
East Asian Observatory
Greaves, Jane S.
United Kingdom, Cardiff
Cardiff University
Houde, Martin
Canada, London
Western University
Johnstone, Doug I.
Canada, Ottawa
National Research Council Canada
Canada, Victoria
University of Victoria
Kirk, Jason M.
United Kingdom, Preston
University of Central Lancashire
Koch, Patrick Michel
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Li, D. H.
China, Beijing
Chinese Academy of Sciences
Parsons, Harriet A.L.
United States, Hilo
East Asian Observatory
Rao, Ramprasad
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Rawlings, Mark G.
United States, Hilo
East Asian Observatory
Shinnaga, Hiroko
Japan, Kagoshima
Kagoshima University
Byun, Do-young
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Chen, Hueiru Ru Vivien
Taiwan, Hsinchu
National Tsing Hua University
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Chen, Michael Chun Yuan
Canada, Victoria
University of Victoria
Chen, Wenping
Taiwan, Taoyuan
National Central University
Ching, Taochung
Taiwan, Hsinchu
National Tsing Hua University
China, Beijing
Chinese Academy of Sciences
Cho, Jungyeon
South Korea, Daejeon
Chungnam National University
Chrysostomou, Antonio C.
United Kingdom, Hatfield
University of Hertfordshire
Chung, Eun Jung
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Drabek-Maunder, Emily
United Kingdom, Cardiff
Cardiff University
Eyres, Stewart
United Kingdom, Preston
University of Central Lancashire
Fiege, Jason D.
Canada, Winnipeg
University of Manitoba
Friesen, Rachel K.
United States, Charlottesville
National Radio Astronomy Observatory
Fuller, Gary A.
United Kingdom, Manchester
The University of Manchester
Gledhill, Tim M.
United Kingdom, Hatfield
University of Hertfordshire
Griffin, Matthew J.
United Kingdom, Cardiff
Cardiff University
Gu, Qilao
Hong Kong, Hong Kong
Chinese University of Hong Kong
Hatchell, Jennifer H.
United Kingdom, Exeter
University of Exeter
Holland, Wayne S.
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
United Kingdom, Edinburgh
The University of Edinburgh
Inoue, Tsuyohshi
Japan, Nagoya
Nagoya University
Iwasaki, Kazunari
Japan, Suita
Osaka University
Jeong, Il-gyo
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kang, Jihyun
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kang, Sung-ju
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kemper, F.
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Kim, Gwanjeong
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Kim, Jongsoo
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Kim, Kee-tae
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kim, K. H.
South Korea, Gongju
Kongju National University
Kim, Miryang
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Kim, Shinyoung
South Korea, Daejeon
Korea Astronomy and Space Science Institute
South Korea, Daejeon
University of Science and Technology Ust
Lacaille, Kevin M.
Canada, Hamilton
Mcmaster University
Canada, Halifax
Dalhousie University
Lee, Jeong Eun
South Korea, Seoul
Kyung Hee University
Li, Dalei
China, Beijing
Chinese Academy of Sciences
Li, Huabai
Hong Kong, Hong Kong
Chinese University of Hong Kong
Liu, Junhao
China, Nanjing
Nanjing University
China, Beijing
Ministry of Education of the People's Republic of China
Liu, Shengyuan
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Lyo, A. Ran
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Mairs, Steve
United States, Hilo
East Asian Observatory
Schieven, Gerald M.
Canada, Ottawa
National Research Council Canada
Nakamura, Fumitaka
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Japan, Hayama
The Graduate University for Advanced Studies
Nakanishi, Hiroyuki
Japan, Chofu
Japan Aerospace Exploration Agency
Japan, Kagoshima
Kagoshima University
Ohashi, Nagayoshi
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Peretto, Nicolas
United Kingdom, Cardiff
Cardiff University
Pyo, Tae-soo
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Japan, Hayama
The Graduate University for Advanced Studies
Qian, Lei
China, Beijing
Chinese Academy of Sciences
Rigby, Andrew J.
United Kingdom, Cardiff
Cardiff University
Robitaille, Jean Franćois
United Kingdom, Manchester
The University of Manchester
Scaife, Anna M.M.
United Kingdom, Manchester
The University of Manchester
Soam, Archana
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Tang, Yawen
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Tomisaka, Kohji
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Japan, Hayama
The Graduate University for Advanced Studies
Wang, Hongchi
China, Beijing
Chinese Academy of Sciences
Wang, Jia Wei
Taiwan, Hsinchu
National Tsing Hua University
Whitworth, Anthony Peter
United Kingdom, Cardiff
Cardiff University
Yen, Hsiwei
Taiwan, Taipei
Academia Sinica, Institute of Astronomy and Astrophysics
Germany, Garching Bei Munchen
European Southern Observatory
Yuan, Jinghua
China, Beijing
Chinese Academy of Sciences
Zhang, Chuanpeng
China, Beijing
Chinese Academy of Sciences
Zhang, Guoyin
China, Beijing
Chinese Academy of Sciences
Zhou, Jianjun
China, Beijing
Chinese Academy of Sciences
Zhu, Lei
China, Beijing
Chinese Academy of Sciences
Ándré, Philippe J.
France, Gif-sur-yvette
Institut de Recherche Sur Les Lois Fondamentales de L'univers
Dowell, Charles Darren
United States, Pasadena
Jet Propulsion Laboratory
Nakagawa, Takago
Japan, Chofu
Japan Aerospace Exploration Agency
Kataoka, Akimasa
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Kobayashi, Masato I.N.
Japan, Nagoya
Nagoya University
Nagata, Tetsuya
Japan, Kyoto
Kyoto University
Seta, Masumichi
Japan, Nishinomiya
Kwansei Gakuin University
Zenko, Tetsuya
Japan, Kyoto
Kyoto University
Statistics
Citations: 39
Authors: 110
Affiliations: 52
Identifiers
Doi:
10.3847/1538-4357/aabd82
ISSN:
0004637X
Study Design
Cross Sectional Study
Study Approach
Quantitative