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The JCMT BISTRO Sur...
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Lyo, A-RanKorea Astronomy and Space Science Institute
(author)
The JCMT BISTRO Survey: An 850/450 mu m Polarization Study of NGC 2071IR in Orion B
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-09-14
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American Astronomical Society,2021
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:research.chalmers.se:4c553638-15db-499b-b977-a0d94ea468d9
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https://doi.org/10.3847/1538-4357/ac0ce9DOI
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https://research.chalmers.se/publication/526254URI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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We present the results of simultaneous 450 mu m and 850 mu m polarization observations toward the massive star-forming region NGC 2071IR, a target of the BISTRO (B-fields in STar-forming Region Observations) Survey, using the POL-2 polarimeter and SCUBA-2 camera mounted on the James Clerk Maxwell Telescope. We find a pinched magnetic field morphology in the central dense core region, which could be due to a rotating toroidal disklike structure and a bipolar outflow originating from the central young stellar object IRS 3. Using the modified Davis-Chandrasekhar-Fermi method, we obtain a plane-of-sky magnetic field strength of 563 +/- 421 mu G in the central similar to 0.12 pc region from 850 mu m polarization data. The corresponding magnetic energy density of 2.04 x 10(-8) erg cm(-3) is comparable to the turbulent and gravitational energy densities in the region. We find that the magnetic field direction is very well aligned with the whole of the IRS 3 bipolar outflow structure. We find that the median value of polarization fractions is 3.0% at 450 mu m in the central 3 ' region, which is larger than the median value of 1.2% at 850 mu m. The trend could be due to the better alignment of warmer dust in the strong radiation environment. We also find that polarization fractions decrease with intensity at both wavelengths, with slopes, determined by fitting a Rician noise model of 0.59 +/- 0.03 at 450 mu m and 0.36 +/- 0.04 at 850 mu m, respectively. We think that the shallow slope at 850 mu m is due to grain alignment at the center being assisted by strong radiation from the central young stellar objects.
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Kim, JongsooKorea Astronomy and Space Science Institute,University of Science and Technology (UST)
(author)
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Sadavoy, SarahQueen's University
(author)
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Johnstone, DougNational Research Council Canada,University of Victoria
(author)
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Berry, DavidEast Asian Observatory
(author)
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Pattle, KateNational University of Ireland Galway
(author)
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Kwon, WoojinSeoul National University
(author)
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Bastien, PierreUniversité de Montréal
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Onaka, TakashiUniversity of Tokyo, Japan,Meisei University
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Di Francesco, JamesUniversity of Victoria,National Research Council Canada
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Kang, Ji-HyunKorea Astronomy and Space Science Institute
(author)
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Furuya, RayTokushima University
(author)
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Hull, Charles L. H.Atacama Large Millimeter-submillimeter Array (ALMA),University of Leeds,National Astronomical Observatory of Japan
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Tamura, MotohideUniversity of Tokyo, Japan,National Institutes of Natural Sciences (NINS)
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Koch, Patrick M.Academia Sinica Taiwan
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Ward-Thompson, DerekUniversity of Central Lancashire
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Hasegawa, TetsuoNational Institutes of Natural Sciences (NINS)
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Hoang, ThiemKorea Astronomy and Space Science Institute,University of Science and Technology (UST)
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Arzoumanian, DorisNagoya University,Universidade do Porto,University of Porto
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Lee, Chang WonKorea Astronomy and Space Science Institute,University of Science and Technology (UST)
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Lee, Chin-FeiAcademia Sinica Taiwan
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Byun, Do-YoungKorea Astronomy and Space Science Institute
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Kirchschlager, FlorianUniversity College London (UCL)
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Doi, YasuoUniversity of Tokyo, Japan
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Kim, Kee-TaeKorea Astronomy and Space Science Institute,University of Science and Technology (UST)
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Hwang, JihyeUniversity of Science and Technology (UST),Korea Astronomy and Space Science Institute
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Pham Ngoc Diep,Vietnam Academy of Science and Technology
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Fanciullo, LapoAcademia Sinica Taiwan
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Lee, Sang-SungUniversity of Science and Technology (UST),Korea Astronomy and Space Science Institute
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Park, GeumsookKorea Astronomy and Space Science Institute
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Yoo, HyunjuKorea Astronomy and Space Science Institute
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Chung, Eun JungChungnam National University
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Whitworth, AnthonyCardiff University
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Mairs, SteveEast Asian Observatory
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Soam, ArchanaNASA Ames Research Center
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Liu, TieChinese Academy of Sciences
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Tang, XindiChinese Academy of Sciences
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Coude, SimonNASA Ames Research Center
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Andre, PhilippeParis Diderot University, France
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Bourke, Tyler L.SKA Organisation,University of Manchester
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Chen, Huei-Ru VivienNational Tsing Hua University,Academia Sinica Taiwan
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Chen, ZhiweiChinese Academy of Sciences
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Chen, Wen PingNational Central University
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Chen, MikeUniversity of Victoria
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Ching, Tao-ChungChinese Academy of Sciences
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Cho, JungyeonChungnam National University
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Choi, YunheeKorea Astronomy and Space Science Institute
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Chrysostomou, AntonioSKA Organisation
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Dai, SophiaChinese Academy of Sciences
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Dowell, C. Darren
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Duan, Hao-YuanNational Tsing Hua University
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Duan, YanChinese Academy of Sciences
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Eden, DavidLiverpool John Moores University
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Eswaraiah, ChakaliChinese Academy of Sciences
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Eyres, StewartUniversity of South Wales
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Fiege, JasonUniversity of Manitoba
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Fissel, Laura M.Queen's University
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Franzmann, EricaUniversity of Manitoba
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Friberg, PerEast Asian Observatory
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Friesen, RachelNational Radio Astronomy Observatory
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Fuller, GaryUniversity of Manchester
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Gledhill, TimUniversity of Hertfordshire
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Graves, SarahEast Asian Observatory
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Greaves, JaneCardiff University
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Griffin, MattCardiff University
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Gu, QilaoChinese University of Hong Kong
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Han, IlseungKorea Astronomy and Space Science Institute,University of Science and Technology (UST)
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Hatchell, JanniferUniversity of Exeter
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Hayashi, SaekoNational Astronomical Observatory of Japan
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Houde, MartinWestern University
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Inoue, TsuyoshiNagoya University
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Inutsuka, Shu-ichiroNagoya University
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Iwasaki, KazunariNagoya University
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Jeong, Il-GyoDoshisha University
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Kang, MijuKorea Astronomy and Space Science Institute
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Kataoka, AkimasaKyungpook National University
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Kawabata, KojiNational Institutes of Natural Sciences (NINS),Hiroshima University
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Kemper, FranciscaAcademia Sinica Taiwan,Hiroshima University
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Kim, GwanjeongEuropean Southern Observatory Santiago
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Kim, Mi-RyangKorea Astronomy and Space Science Institute
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Kim, ShinyoungUniversity of Science and Technology (UST),Korea Astronomy and Space Science Institute
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Kim, Kyoung HeeKorea Astronomy and Space Science Institute
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Kirk, JasonUniversity of Central Lancashire
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Kobayashi, Masato I. N.National Institutes of Natural Sciences (NINS)
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Konyves, VeraUniversity of Central Lancashire
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Kusune, TakayoshiNational Institutes of Natural Sciences (NINS)
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Kwon, JungmiUniversity of Tokyo, Japan
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Lacaille, KevinTohoku University,McMaster University
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Lai, Shih-PingNational Tsing Hua University,Academia Sinica Taiwan
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Law, Chi Yan,1990Chalmers tekniska högskola,Chalmers University of Technology,Chinese University of Hong Kong(Swepub:cth)ychi
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Lee, Jeong-EunKyung Hee University
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Lee, Yong-HeeKyung Hee University
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Lee, HyeseungKorea Astronomy and Space Science Institute
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Li, DaleiKyung Hee University
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Li, DiChinese Academy of Sciences
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Li, Hua-BaiChinese University of Hong Kong
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Liu, Hong-LiChinese Academy of Sciences
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Liu, JunhaoYunnan University,Nanjing University
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Liu, Sheng-YuanAcademia Sinica Taiwan
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Lu, XingNational Institutes of Natural Sciences (NINS)
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Matsumura, MasafumiNanjing University
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Matthews, BrendaNational Research Council Canada,University of Victoria
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Moriarty-Schieven, GeraldNational Research Council Canada
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Nagata, TetsuyaKagawa University
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Nakamura, FumitakaKyoto University,National Astronomical Observatory of Japan
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Nakanishi, HiroyukiThe Graduate University for Advanced Studies (SOKENDAI)
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Ngoc, Nguyen BichVietnam Academy of Science and Technology
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Ohashi, NagayoshiAcademia Sinica Taiwan
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Parsons, HarrietEast Asian Observatory
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Peretto, NicolasCardiff University
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Priestley, FelixCardiff University
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Pyo, Tae-sooNational Astronomical Observatory of Japan
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Qian, LeiChinese Academy of Sciences
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Qiu, KepingNanjing University,Yunnan University
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Rao, RamprasadAcademia Sinica Taiwan
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Rawlings, JonathanUniversity College London (UCL)
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Rawlings, Mark G.East Asian Observatory
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Retter, BrendanCardiff University
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Richer, JohnKagoshima University,University Of Cambridge
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Rigby, AndrewCardiff University
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Saito, HiroUniversity Of Cambridge
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Savini, GiorgioUniversity of Tsukuba
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Scaife, AnnaUniversity of Manchester
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Seta, MasumichiUniversity College London (UCL)
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Shimajiri, YoshitoKwansei Gakuin University
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Shinnaga, HirokoThe Graduate University for Advanced Studies (SOKENDAI)
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Tahani, MehrnooshNational Institutes of Natural Sciences (NINS)
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Tang, Ya-WenAcademia Sinica Taiwan
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Tomisaka, KohjiKyungpook National University,National Astronomical Observatory of Japan
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Le Ngoc Tram,National Research Council Canada
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Tsukamoto, YusukeThe Graduate University for Advanced Studies (SOKENDAI)
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Viti, SerenaVietnam Academy of Science and Technology
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Wang, Jia-WeiAcademia Sinica Taiwan
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Wang, HongchiChinese Academy of Sciences
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Xie, JinjinChinese Academy of Sciences
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Yen, Hsi-WeiAcademia Sinica Taiwan
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Yuan, JinghuaChinese Academy of Sciences
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Yun, Hyeong-SikKyung Hee University
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Zenko, TetsuyaKagawa University
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Zhang, GuoyinChinese Academy of Sciences
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Zhang, Chuan-PengChinese Academy of Sciences
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Zhang, YapengUniversity College London (UCL)
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Zhou, JianjunKyung Hee University
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Zhu, LeiChinese Academy of Sciences
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de Looze, IlseVietnam Academy of Science and Technology
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Falle, SamBeijing Normal University
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Robitaille, Jean-FrancoisUniversity of Leeds
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van Loo, SvenUniversité Grenoble Alpes,Grenoble Alpes University
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Korea Astronomy and Space Science InstituteUniversity of Science and Technology (UST)
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In:Astrophysical Journal: American Astronomical Society918:21538-43570004-637X
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