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  • 标题:The role of the magnetic field in the massive star-forming region W75N.
  • 本地全文:下载
  • 作者:G. Surcis ; W.H.T. Vlemmings
  • 期刊名称:PoS - Proceedings of Science
  • 印刷版ISSN:1824-8039
  • 出版年度:2010
  • 卷号:2010
  • 出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
  • 摘要:A number of different formation scenarios of high-mass have been proposed. However, due to the difficulties observing magnetic fields during the protostellar phase of high-mass star-formation, several questions remain unanswered, e.g., how do magnetic fields influence the formation and dynamics of disks and outflows? Most current information on magnetic fields close to high-mass protostars comes from polarizedmaser emissions, which allow us to investigate the magnetic field on small scales by using very long baseline interferometry such as EVN and VLBA. Recently, by using maser observations at 6.7 GHz (methanol) and 22 GHz (water), we were able to detect the magnetic field in the massive star-forming region W75N. In particular we detected two different magnetic fields around the two radio sources VLA1 and VLA2, which are at two different evolutionary stages.
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