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We present a polarisation map of the warm dust emission from the minispiral in the central parsec of the Galactic centre. The observations were made at a wavelength of 12.5 microns with CanariCam mounted on the 10.4-m Gran Telescopio…

Astrophysics of Galaxies · Physics 2018-02-20 PF Roche , E Lopez-Rodriguez , CM Telesco , R Schodel , C Packham

We report the detection of polarized emission in the vicinity of the Galactic center for 158 positions within eight different pointings of the Hertz polarimeter operating on the Caltech Submillimeter Observatory. These pointings include…

Utilizing James Clark Maxwell Telescope (JCMT) 850 $\mu$m SCUPOL dust polarization data, we investigate the configuration of the magnetic ($B$) field in the circumnuclear disk (CND) of the Galactic Center (GC). The SCUPOL data show a highly…

Astrophysics of Galaxies · Physics 2018-08-08 Pei-Ying Hsieh , Patrick M. Koch , Woong-Tae Kim , Paul T. P. Ho , Ya-Wen Tang , Hsiang-Hsu Wang

We present a polarimetric map of a 20'x20' area toward the Galactic center. The polarization of point sources has been measured in the J, H, and Ks bands using the near-infrared polarimetric camera SIRPOL on the 1.4 m telescope IRSF. One…

We report the highest spatial resolution measurement of magnetic fields in M17 using thermal dust polarization taken by SOFIA/HAWC+ centered at 154 $\mu$m wavelength. Using the Davis-Chandrasekhar-Fermi method, we found the presence of…

We present the first far infrared (FIR) dust emission polarization map covering the full extent Milky Way's Central molecular zone (CMZ). The data, obtained with the PILOT balloon-borne experiment, covers the Galactic Center region…

We report the first high spatial resolution measurement of magnetic fields surrounding LkH$\alpha$ 101, a part of the Auriga-California molecular cloud. The observations were taken with the POL-2 polarimeter on the James Clerk Maxwell…

Astrophysics of Galaxies · Physics 2021-03-17 Nguyen Bich Ngoc , Pham Ngoc Diep , Harriet Parsons , Kate Pattle , Thiem Hoang , Derek Ward-Thompson , Le Ngoc Tram , Charles L. H. Hull , Mehrnoosh Tahani , Ray Furuya , Pierre Bastien , Keping Qiu , Tetsuo Hasegawa , Woojin Kwon , Yasuo Doi , Shih-Ping Lai , Simon Coude , David Berry , Tao-Chung Ching , Jihye Hwang , Archana Soam , Jia-Wei Wang , Doris Arzoumanian , Tyler L. Bourke , Do-Young Byun , Huei-Ru Vivien Chen , Zhiwei Chen , Wen Ping Chen , Mike Chen , Jungyeon Cho , Yunhee Choi , Minho Choi , Antonio Chrysostomou , Eun Jung Chung , Sophia Dai , James Di Francesco , Yan Duan , Hao-Yuan Duan , David Eden , Chakali Eswaraiah , Lapo Fanciullo , Jason Fiege , Laura M. Fissel , Erica Franzmann , Per Friberg , Rachel Friesen , Gary Fuller , Tim Gledhill , Sarah Graves , Jane Greaves , Matt Griffin , Qilao Gu , Ilseung Han , Jennifer Hatchell , Saeko Hayashi , Martin Houde , Tsuyoshi Inoue , Shu-ichiro Inutsuka , Kazunari Iwasaki , Il-Gyo Jeong , Doug Johnstone , Ji-hyun Kang , Sung-ju Kang , Miju Kang , Akimasa Kataoka , Koji Kawabata , Francisca Kemper , Kee-Tae Kim , Jongsoo Kim , Tae-Soo Pyo , Lei Qian , Ramprasad Rao , Mark Rawlings , Jonathan Rawlings , Brendan Retter , John Richer , Andrew Rigby , Sarah Sadavoy , Hiro Saito , Giorgio Savini , Anna Scaife , Masumichi Seta , Gwanjeong Kim , Shinyoung Kim , Kyoung Hee Kim , Mi-Ryang Kim , Florian Kirchschlager , Jason Kirk , Masato I. N. Kobayashi , Patrick M. Koch , Vera Konyves , Takayoshi Kusune , Jungmi Kwon , Kevin Lacaille , Chi-Yan Law , Sang-Sung Lee , Yong-Hee Lee , Chin-Fei Lee , Jeong-Eun Lee , Hyeseung Lee , Chang Won Lee , Di Li , Hua-bai Li , Dalei Li , Hong-Li Liu , Junhao Liu , Tie Liu , Sheng-Yuan Liu , Xing Lu , A-Ran Lyo , Steve Mairs , Masafumi Matsumura , Brenda Matthews , Gerald Moriarty-Schieven , Tetsuya Nagata , Fumitaka Nakamura , Hiroyuki Nakanishi , Nagayoshi Ohashi , Takashi Onaka , Geumsook Park , Nicolas Peretto , Yoshito Shimajiri , Hiroko Shinnaga , Motohide Tamura , Ya-Wen Tang , Xindi Tang , Kohji Tomisaka , Yusuke Tsukamoto , Serena Viti , Hongchi Wang , Anthony Whitworth , Jinjin Xie , Hsi-Wei Yen , Hyunju Yoo , Jinghua Yuan , Hyeong-Sik Yun , Tetsuya Zenko , Yapeng Zhang , Chuan-Peng Zhang , Guoyin Zhang , Jianjun Zhou , Lei Zhu , Ilse de Looze , Philippe Andre , C. Darren Dowell , Stewart Eyres , Sam Falle , Jean-Francois Robitaille , Sven van Loo

We report the first measurement of polarized thermal dust emission toward the entire early and massive Infrared Dark Cloud G11.11$-$0.12 taken by the polarimeter SOFIA/HAWC+ at 214 $\mu m$ wavelength. Magnetic fields (B-fields) obtained…

We present observations of linear polarization from dust thermal emission at 850 $\mu m$ towards the starless cloud L183. These data were obtained at the James Clerk Maxwell Telescope (JCMT) using the Submillimetre Common-User Bolometer…

Solar and Stellar Astrophysics · Physics 2020-08-10 Janik Karoly , Archana Soam , B-G Andersson , Simon Coudé , Pierre Bastien , John E. Vaillancourt , Chang Won Lee

We discuss a high resolution (FWHM~ 0.45 arcsec) image of the emissive polarization from warm dust in the minispiral in the Galactic Centre and discuss the implications for the magnetic field in the dusty filaments. The image was obtained…

Astrophysics of Galaxies · Physics 2018-08-01 P. F. Roche , E. Lopez-Rodriguez , C. M. Telesco , R. Schodel , C. Packham

Near-infrared polarimetry of point sources reveals the presence of a toroidal magnetic field in the central 20' x 20' region of our Galaxy. Comparing the Stokes parameters between high extinction stars and relatively low extinction ones, we…

We have obtained sensitive dust continuum polarization observations at 850 $\mu$m in the B213 region of Taurus using POL-2 on SCUBA-2 at the James Clerk Maxwell Telescope (JCMT), as part of the BISTRO (B-fields in STar-forming Region…

Astrophysics of Galaxies · Physics 2021-06-23 Chakali Eswaraiah , Di Li , Ray S. Furuya , Tetsuo Hasegawa , Derek Ward-Thompson , Keping Qiu , Nagayoshi Ohashi , Kate Pattle , Sarah Sadavoy , Charles L. H. Hull , David Berry , Yasuo Doi , Tao-Chung Ching , Shih-Ping Lai , Jia-Wei Wang , Patrick M. Koch , Jungmi Kwon , Woojin Kwon , Pierre Bastien , Doris Arzoumanian , Simon Coudé , Archana Soam , Lapo Fanciullo , Hsi-Wei Yen , Junhao Liu , Thiem Hoang , Wen Ping Chen , Yoshito Shimajiri , Tie Liu , Zhiwei Chen , Hua-bai Li , A-Ran Lyo , Jihye Hwang , Doug Johnstone , Ramprasad Rao , Nguyen Bich Ngoc , Pham Ngoc Diep , Steve Mairs , Harriet Parsons , Motohide Tamura , Mehrnoosh Tahani , Huei-Ru Vivien Chen , Fumitaka Nakamura , Hiroko Shinnaga , Ya-Wen Tang , Jungyeon Cho , Chang Won Lee , Shu-ichiro Inutsuka , Tsuyoshi Inoue , Kazunari Iwasaki , Lei Qian , Jinjin Xie , Dalei Li , Hong-Li Liu , Chuan-Peng Zhang , Mike Chen , Guoyin Zhang , Lei Zhu , Jianjun Zhou , Philippe André , Sheng-Yuan Liu , Jinghua Yuan , Xing Lu , Nicolas Peretto , Tyler L. Bourke , Do-Young Byun , Sophia Dai , Yan Duan , Hao-Yuan Duan , David Eden , Brenda Matthews , Jason Fiege , Laura M. Fissel , Kee-Tae Kim , Chin-Fei Lee , Jongsoo Kim , Tae-Soo Pyo , Yunhee Choi , Minho Choi , Antonio Chrysostomou , Eun Jung Chung , Le Ngoc Tram , Erica Franzmann , Per Friberg , Rachel Friesen , Gary Fuller , Tim Gledhill , Sarah Graves , Jane Greaves , Matt Griffin , Qilao Gu , Ilseung Han , Jennifer Hatchell , Saeko Hayashi , Martin Houde , Koji Kawabata , Il-Gyo Jeong , Ji-hyun Kang , Sung-ju Kang , Miju Kang , Akimasa Kataoka , Francisca Kemper , Mark Rawlings , Jonathan Rawlings , Brendan Retter , John Richer , Andrew Rigby , Hiro Saito , Giorgio Savini , Anna Scaife , Masumichi Seta , Gwanjeong Kim , Kyoung Hee Kim , Mi-Ryang Kim , Florian Kirchschlager , Jason Kirk , Masato I. N. Kobayashi , Vera Konyves , Takayoshi Kusune , Kevin Lacaille , Chi-Yan Law , Sang-Sung Lee , Yong-Hee Lee , Masafumi Matsumura , Gerald Moriarty-Schieven , Tetsuya Nagata , Hiroyuki Nakanishi , Takashi Onaka , Geumsook Park , Xindi Tang , Kohji Tomisaka , Yusuke Tsukamoto , Serena Viti , Hongchi Wang , Anthony Whitworth , Hyunju Yoo , Hyeong-Sik Yun , Tetsuya Zenko , Yapeng Zhang , Ilse de Looze , C. Darren Dowell , Stewart Eyres , Sam Falle , Jean-François Robitaille , Sven van Loo

We present observational results of the thermal dust continuum emission and its linear polarization in one of the nearest massive star-forming sites Orion BN/KL in Orion Molecular Cloud-1. The observations were carried out with the…

Astrophysics of Galaxies · Physics 2015-05-19 Ya-Wen Tang , Paul T. P. Ho , Patrick M. Koch , Ramprasad Rao

Magnetic fields of molecular clouds in the Central Molecular Zone (CMZ) have been relatively underobserved at sub-parsec resolution. Here we report JCMT/POL2 observations of polarized dust emission in the CMZ, which reveal magnetic field…

Recent high-resolution 53-$\mu$m polarimetric observations from SOFIA/HAWC+ have revealed the inferred plane-of-the-sky magnetic field (B-field) orientation in the Galactic center's Circum-Nuclear Disk (CND). The B-field is mostly aligned…

Astrophysics of Galaxies · Physics 2023-07-05 J. A. Guerra , E. Lopez-Rodriguez , D. T. Chuss , N. O. Butterfield , J. T. Schmelz

We present a large-scale view of the magnetic field in the central 2deg * 2deg region of our Galaxy. The polarization of point sources has been measured in the J, H, and Ks bands using the near-infrared polarimetric camera SIRPOL on the 1.4…

Linearly polarized dust emission traces the plane-of-sky magnetic field structure, thus allowing us to investigate the role of magnetic fields in the formation and evolution of cloud cores. In this work, we present observations of dust…

Solar and Stellar Astrophysics · Physics 2025-11-18 Shivani Gupta , Archana Soam , Janik Karoly , Chang Won Lee

We report high angular resolution (3") Submillimeter Array (SMA) observations of the molecular cloud associated with the Ultra-Compact HII region G5.89-0.39. Imaged dust continuum emission at 870 micron reveals significant linear…

Magnetic fields have an impact on galaxy evolution at multiple scales. They are particularly important for starburst galaxies, where they play a crucial role in shaping the interstellar medium (ISM), influencing star formation processes and…

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