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A First Look at BISTRO Observations of the rho Oph-A core

文献类型：期刊论文

作者Kwon, Jungmi2; Doi, Yasuo3; Tamura, Motohide4,5,6; Matsumura, Masafumi7; Pattle, Kate6,8,9,10; Berry, David11; Sadavoy, Sarah1; Matthews, Brenda C.12,13; Ward-Thompson, Derek8; Hasegawa, Tetsuo6
刊名ASTROPHYSICAL JOURNAL
出版日期2018-05-20
卷号859期号:1页码:22
ISSN号0004-637X
关键词circumstellar matter ISM: individual objects (Ophiuchi) ISM: structure polarization radio continuum: ISM stars: formation
DOI10.3847/1538-4357/aabd82
英文摘要We present 850 mu m imaging polarimetry data of the rho 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, B-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 rho Oph-A core; some of them can be part of a coherent magnetic field structure in the rho Oph region. The results are consistent with previous observations of the brightest regions of rho 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.
WOS关键词MAGNETIC-FIELD STRUCTURE ; STAR-FORMING REGIONS ; CLERK MAXWELL TELESCOPE ; INFRARED IMAGING POLARIMETRY ; OPHIUCHUS MOLECULAR CLOUD ; GOULD BELT SURVEY ; DARK CLOUD ; SUBMILLIMETER POLARIZATION ; INITIAL CONDITIONS ; VLA 1623
资助项目Chinese Academy of Sciences[XDB09000000] ; Science and Technology Facilities Council of the United Kingdom ; Canada Foundation for Innovation ; MEXT KAKENHI[16H07479] ; MEXT KAKENHI[22000005] ; Astrobiology Center of NINS ; Science and Technology Facilities Council (STFC)[ST/K002023/1] ; Science and Technology Facilities Council (STFC)[ST/M000877/1] ; Ministry of Science and Technology of Taiwan[106-2119-M-007-021-MY3] ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning[NRF-2015R1C1A1A01052160] ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology[NRF-2016R1A2B4012593] ; Basic Science Research Program through the NRF[NRF-2016R1C1B2013642] ; Basic Science Research Program through the National Research Foundation of Korea[NRF-2018R1A2B6003423] ; Korea Astronomy and Space Science Institute under the RD program ; KASI fellowship ; EACOA fellowship ; [M16AL004]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000432456000004
资助机构Chinese Academy of Sciences ; Chinese Academy of Sciences ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Canada Foundation for Innovation ; Canada Foundation for Innovation ; MEXT KAKENHI ; MEXT KAKENHI ; Astrobiology Center of NINS ; Astrobiology Center of NINS ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Ministry of Science and Technology of Taiwan ; Ministry of Science and Technology of Taiwan ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program through the NRF ; Basic Science Research Program through the NRF ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute under the RD program ; Korea Astronomy and Space Science Institute under the RD program ; KASI fellowship ; KASI fellowship ; EACOA fellowship ; EACOA fellowship ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Canada Foundation for Innovation ; Canada Foundation for Innovation ; MEXT KAKENHI ; MEXT KAKENHI ; Astrobiology Center of NINS ; Astrobiology Center of NINS ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Ministry of Science and Technology of Taiwan ; Ministry of Science and Technology of Taiwan ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program through the NRF ; Basic Science Research Program through the NRF ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute under the RD program ; Korea Astronomy and Space Science Institute under the RD program ; KASI fellowship ; KASI fellowship ; EACOA fellowship ; EACOA fellowship ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Canada Foundation for Innovation ; Canada Foundation for Innovation ; MEXT KAKENHI ; MEXT KAKENHI ; Astrobiology Center of NINS ; Astrobiology Center of NINS ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Ministry of Science and Technology of Taiwan ; Ministry of Science and Technology of Taiwan ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program through the NRF ; Basic Science Research Program through the NRF ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute under the RD program ; Korea Astronomy and Space Science Institute under the RD program ; KASI fellowship ; KASI fellowship ; EACOA fellowship ; EACOA fellowship ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Canada Foundation for Innovation ; Canada Foundation for Innovation ; MEXT KAKENHI ; MEXT KAKENHI ; Astrobiology Center of NINS ; Astrobiology Center of NINS ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; Ministry of Science and Technology of Taiwan ; Ministry of Science and Technology of Taiwan ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program though the NRF - Ministry of Education, Science, and Technology ; Basic Science Research Program through the NRF ; Basic Science Research Program through the NRF ; Basic Science Research Program through the National Research Foundation of Korea ; Basic Science Research Program through the National Research Foundation of Korea ; Korea Astronomy and Space Science Institute under the RD program ; Korea Astronomy and Space Science Institute under the RD program ; KASI fellowship ; KASI fellowship ; EACOA fellowship ; EACOA fellowship
源URL[http://ir.bao.ac.cn/handle/114a11/21696]  
专题中国科学院国家天文台
通讯作者Kwon, Jungmi
作者单位1.Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
2.Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2525210, Japan
3.Univ Tokyo, Grad Sch Arts & Sci, Dept Earth Sci & Astron, Meguro, Tokyo 1538902, Japan
4.Univ Tokyo, Grad Sch Sci, Dept Astron, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan
5.Natl Inst Nat Sci, Astrobiol Ctr, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
6.Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan
7.Kagawa Univ, Fac Educ, Saiwai Cho 1-1, Takamatsu, Kagawa 7608522, Japan
8.Univ Cent Lancashire, Jeremiah Horrocks Inst, Preston PR1 2HE, Lancs, England
9.Natl Tsing Hua Univ, Inst Astron, Hsinchu 30013, Taiwan
10.Natl Tsing Hua Univ, Dept Phys, Extra, Hsinchu 30013, Taiwan
推荐引用方式
GB/T 7714		 Kwon, Jungmi,Doi, Yasuo,Tamura, Motohide,et al. A First Look at BISTRO Observations of the rho Oph-A core[J]. ASTROPHYSICAL JOURNAL,2018,859(1):22.
APA Kwon, Jungmi.,Doi, Yasuo.,Tamura, Motohide.,Matsumura, Masafumi.,Pattle, Kate.,...&Zenko, Tetsuya.(2018).A First Look at BISTRO Observations of the rho Oph-A core.ASTROPHYSICAL JOURNAL,859(1),22.
MLA Kwon, Jungmi,et al."A First Look at BISTRO Observations of the rho Oph-A core".ASTROPHYSICAL JOURNAL 859.1(2018):22.

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来源：国家天文台

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