TY - JOUR
T1 - JCMT BISTRO Observations
T2 - Magnetic Field Morphology of Bubbles Associated with NGC 6334
AU - BISTRO
AU - Tahani, Mehrnoosh
AU - Bastien, Pierre
AU - Furuya, Ray S.
AU - Pattle, Kate
AU - Johnstone, Doug
AU - Arzoumanian, Doris
AU - Doi, Yasuo
AU - Hasegawa, Tetsuo
AU - Inutsuka, Shu-ichiro
AU - Coudé, Simon
AU - Fissel, Laura
AU - Chen, Michael Chun-Yuan
AU - Poidevin, Frédérick
AU - Sadavoy, Sarah
AU - Friesen, Rachel
AU - Koch, Patrick M.
AU - Francesco, James Di
AU - Moriarty-Schieven, Gerald H.
AU - Chen, Zhiwei
AU - Chung, Eun Jung
AU - Eswaraiah, Chakali
AU - Fanciullo, Lapo
AU - Gledhill, Tim
AU - Gouellec, Valentin J. M. Le
AU - Hoang, Thiem
AU - Hwang, Jihye
AU - Kang, Ji-hyun
AU - Kim, Kyoung Hee
AU - Kirchschlager, Florian
AU - Kwon, Woojin
AU - Lee, Chang Won
AU - Liu, Hong-Li
AU - Onaka, Takashi
AU - Rawlings, Mark G.
AU - Soam, Archana
AU - Tamura, Motohide
AU - Tang, Xindi
AU - Tomisaka, Kohji
AU - Whitworth, Anthony P.
AU - Kwon, Jungmi
AU - Hoang, Thuong D.
AU - Redman, Matt
AU - Berry, David
AU - Ching, Tao-Chung
AU - Wang, Jia-Wei
AU - Lai, Shih-Ping
AU - Qiu, Keping
AU - Ward-Thompson, Derek
AU - Chrysostomou, Antonio
AU - Parsons, Harriet
N1 - Accepted for publication in Astrophysical Journal (ApJ)
PY - 2022/12/21
Y1 - 2022/12/21
N2 - We study the HII regions associated with the NGC 6334 molecular cloud observed in the sub-millimeter and taken as part of the B-fields In STar-forming Region Observations (BISTRO) Survey. In particular, we investigate the polarization patterns and magnetic field morphologies associated with these HII regions. Through polarization pattern and pressure calculation analyses, several of these bubbles indicate that the gas and magnetic field lines have been pushed away from the bubble, toward an almost tangential (to the bubble) magnetic field morphology. In the densest part of NGC 6334, where the magnetic field morphology is similar to an hourglass, the polarization observations do not exhibit observable impact from HII regions. We detect two nested radial polarization patterns in a bubble to the south of NGC 6334 that correspond to the previously observed bipolar structure in this bubble. Finally, using the results of this study, we present steps (incorporating computer vision; circular Hough Transform) that can be used in future studies to identify bubbles that have physically impacted magnetic field lines.
AB - We study the HII regions associated with the NGC 6334 molecular cloud observed in the sub-millimeter and taken as part of the B-fields In STar-forming Region Observations (BISTRO) Survey. In particular, we investigate the polarization patterns and magnetic field morphologies associated with these HII regions. Through polarization pattern and pressure calculation analyses, several of these bubbles indicate that the gas and magnetic field lines have been pushed away from the bubble, toward an almost tangential (to the bubble) magnetic field morphology. In the densest part of NGC 6334, where the magnetic field morphology is similar to an hourglass, the polarization observations do not exhibit observable impact from HII regions. We detect two nested radial polarization patterns in a bubble to the south of NGC 6334 that correspond to the previously observed bipolar structure in this bubble. Finally, using the results of this study, we present steps (incorporating computer vision; circular Hough Transform) that can be used in future studies to identify bubbles that have physically impacted magnetic field lines.
KW - astro-ph.GA
U2 - 10.3847/1538-4357/acac81
DO - 10.3847/1538-4357/acac81
M3 - Article
VL - 944
SP - 139
EP - 159
JO - The Astrophysical Journal
JF - The Astrophysical Journal
SN - 0004-637X
ER -