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First results from BISTRO -- a SCUBA-2 polarimeter survey of the Gould Belt | | Derek Ward-Thompson
; Kate Pattle
; Pierre Bastien
; Ray S. Furuya
; Woojin Kwon
; Shih-Ping Lai
; Keping Qiu
; David Berry
; Minho Choi
; Simon Coudé
; James Di Francesco
; Thiem Hoang
; Erica Franzmann
; Per Friberg
; Sarah F. Graves
; Jane S. Greaves
; Martin Houde
; Doug Johnstone
; Jason M. Kirk
; Patrick M. Koch
; Jungmi Kwon
; Chang Won Lee
; Di Li
; Brenda C. Matthews
; Joseph C. Mottram
; Harriet Parsons
; Andy Pon
; Ramprasad Rao
; Mark Rawlings
; Hiroko Shinnaga
; Sarah Sadavoy
; Sven van Loo
; Yusuke Aso
; Do-Young Byun
; Eswariah Chakali
; Huei-Ru Chen
; Mike C.-Y. Chen
; Wen Ping Chen
; Tao-Chung Ching
; Jungyeon Cho
; Antonio Chrysostomou
; Eun Jung Chung
; Yasuo Doi
; Emily Drabek-Maunder
; Stewart P. S. Eyres
; Jason Fiege
; Rachel K. Friesen
; Gary Fuller
; Tim Gledhill
; Matt J. Griffin
; Qilao Gu
; Tetsuo Hasegawa
; Jennifer Hatchell
; Saeko S. Hayashi
; Wayne Holland
; Tsuyoshi Inoue
; Shu-ichiro Inutsuka
; Kazunari Iwasaki
; Il-Gyo Jeong
; Ji-hyun Kang
; Miju Kang
; Sung-ju Kang
; Koji S. Kawabata
; Francisca Kemper
; Gwanjeong Kim
; Jongsoo Kim
; Kee-Tae Kim
; Kyoung Hee Kim
; Mi-Ryang Kim
; Shinyoung Kim
; Kevin M. Lacaille
; Jeong-Eun Lee
; Sang-Sung Lee
; Dalei Li
; Hua-bai Li
; Hong-Li Liu
; Junhao Liu
; Sheng-Yuan Liu
; Tie Liu
; A-Ran Lyo
; Steve Mairs
; Masafumi Matsumura
; Gerald H. Moriarty-Schieven
; Fumitaka Nakamura
; Hiroyuki Nakanishi
; Nagayoshi Ohashi
; Takashi Onaka
; Nicolas Peretto
; Tae-Soo Pyo
; Lei Qian
; Brendan Retter
; John Richer
; Andrew Rigby
; Jean-François Robitaille
; Giorgio Savini
; Anna M. M. Scaife
; Archana Soam
; Motohide Tamura
; Ya-Wen Tang
; Kohji Tomisaka
; Hongchi Wang
; Jia-Wei Wang
; Anthony P. Whitworth
; Hsi-Wei Yen
; Hyunju Yoo
; Jinghua Yuan
; Chuan-Peng Zhang
; Guoyin Zhang
; Jianjun Zhou
; Lei Zhu
; Philippe André
; C. Darren Dowell
; Sam Falle
; Yusuke Tsukamoto
; | | Date: |
27 Apr 2017 | | Abstract: | We present the first results from the B-fields In STar-forming Region
Observations (BISTRO) survey, using the Sub-millimetre Common-User Bolometer
Array 2 (SCUBA-2) camera, with its associated polarimeter (POL-2), on the James
Clerk Maxwell Telescope (JCMT) in Hawaii. We discuss the survey’s aims and
objectives. We describe the rationale behind the survey, and the questions
which the survey will aim to answer. The most important of these is the role of
magnetic fields in the star formation process on the scale of individual
filaments and cores in dense regions. We describe the data acquisition and
reduction processes for POL-2, demonstrating both repeatability and consistency
with previous data. We present a first-look analysis of the first results from
the BISTRO survey in the OMC 1 region. We see that the magnetic field lies
approximately perpendicular to the famous ’integral filament’ in the densest
regions of that filament. Furthermore, we see an ’hour-glass’ magnetic field
morphology extending beyond the densest region of the integral filament into
the less-dense surrounding material, and discuss possible causes for this. We
also discuss the more complex morphology seen along the Orion Bar region. We
examine the morphology of the field along the lower-density north-eastern
filament. We find consistency with previous theoretical models that predict
magnetic fields lying parallel to low-density, non-self-gravitating filaments,
and perpendicular to higher-density, self-gravitating filaments. | | Source: | arXiv, 1704.8552 | | Services: | Forum | Review | PDF | Favorites | |
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