<P>Magnetic field plays a crucial role in shaping molecular clouds and regulating star formation, yet the complete information on the magnetic field is not well constrained owing to the limitations in observations. We study the magnetic field in...
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https://www.riss.kr/link?id=A107471304
Liu, Tie ; Li, Pak Shing ; Juvela, Mika ; Kim, Kee-Tae ; Evans II, Neal J. ; Francesco, James Di ; Liu, Sheng-Yuan ; Yuan, Jinghua ; Tatematsu, Ken’ichi ; Zhang, Qizhou ; Ward-Thompson, Derek ; Fuller, Gary ; Goldsmith, Paul F. ; Koch, P. M. ; Sanhueza, Patricio ; Ristorcelli, I. ; Kang, Sung-ju ; Chen, Huei-Ru ; Hirano, N. ; Wu, Yuefang ; Sokolov, Vlas ; Lee, Chang Won ; White, Glenn J. ; Wang, Ke ; Eden, David ; Li, Di ; Thompson, Mark ; Pattle, Kate M ; Soam, Archana ; Nasedkin, Evert ; Kim, Jongsoo ; Kim, Gwanjeong ; Lai, Shih-Ping ; Park, Geumsook ; Qiu, Keping ; Zhang, Chuan-Peng ; Alina, Dana ; Eswaraiah, Chakali ; Falgarone, Edith ; Fich, Michel ; Greaves, Jane ; Gu, Q.-L. ; Kwon, Woojin ; Li, Hua-bai ; Malinen, Johanna ; Montier, Ludovic ; Parsons, Harriet ; Qin, Sheng-Li ; Rawlings, Mark G. ; Ren, Zhi-Yuan ; Tang, Mengyao ; Tang, Y.-W. ; Toth, L. V. ; Wang, Jiawei ; Wouterloot, Jan ; Yi, H.-W. ; Zhang, H.-W.
2018
-
SCI,SCIE,SCOPUS
학술저널
151
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>Magnetic field plays a crucial role in shaping molecular clouds and regulating star formation, yet the complete information on the magnetic field is not well constrained owing to the limitations in observations. We study the magnetic field in...
<P>Magnetic field plays a crucial role in shaping molecular clouds and regulating star formation, yet the complete information on the magnetic field is not well constrained owing to the limitations in observations. We study the magnetic field in the massive infrared dark cloud G035.39-00.33 from dust continuum polarization observations at 850 mu m with SCUBA-2/POL-2 at JCMT for the first time. The magnetic field tends to be perpendicular to the densest part of the main filament (F-M), whereas it has a less defined relative orientation in the rest of the structure, where it tends to be parallel to some diffuse regions. A mean plane-of-the-sky magnetic field strength of similar to 50 mu G for F-M is obtained using the Davis-Chandrasekhar-Fermi method. Based on (CO)-C-13 (1-0) line observations, we suggest a formation scenario of F-M due to large-scale (similar to 10 pc) cloud-cloud collision. Using additional NH3 line data, we estimate that F-M will be gravitationally unstable if it is only supported by thermal pressure and turbulence. The northern part of F-M, however, can be stabilized by a modest additional support from the local magnetic field. The middle and southern parts of F-M are likely unstable even if the magnetic field support is taken into account. We claim that the clumps in F-M may be supported by turbulence and magnetic fields against gravitational collapse. Finally, we identified for the first time a massive (similar to 200 M-circle dot, collapsing starless clump candidate, 'c8,' in G035.39-00.33. The magnetic field surrounding 'c8' is likely pinched, hinting at an accretion flow along the filament.</P>
Gemini/GMOS Spectroscopy of Globular Clusters in the Merger Remnant Galaxy M85
Dust Polarization toward Embedded Protostars in Ophiuchus with ALMA. I. VLA 1623