Magnetic field morphologies at mpc scale

Ya-Wen Tang Patrick M. Koch 1 Paul T. P. Ho S. Guilloteau 2 Anne Dutrey 2
2 AMOR 2015
LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac], UB - Université de Bordeaux, INSU - CNRS - Institut national des sciences de l'Univers , CNRS - Centre National de la Recherche Scientifique
Abstract : We report our new results of the magnetic field (B) morphologies toward W51 North, traced with the linear polarization of the dust continuum at wavelengths of 870 μm. The B morphologies are resolved with an angular resolution of typically 1'' using the Submillimeter Array (SMA). Dense structures with a number density 105 to 107 cm-3 are traced. In comparison, the B morphologies of sources at different evolutionary stages, from the collapsing core in W51 e2 (Tang et al. 2009a) and part of Orion BN/KL (Tang et al. 2010) to the ultra-compact HII region G5.89-0.39 (Tang et al. 2009b) clearly exhibit different morphologies, likely suggesting different roles of the B fields at different stages.
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Ya-Wen Tang, Patrick M. Koch, Paul T. P. Ho, S. Guilloteau, Anne Dutrey. Magnetic field morphologies at mpc scale. Highlights of Astronomy, Volume 16, pp. 392-392 2015 - held in Aug 2012, Beijing, China., Aug 2012, Beijing, China. pp.392-392, ⟨10.1017/S1743921314011612⟩. ⟨hal-01136942⟩



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