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An OH maser flare with a strong magnetic field in W75N

  • V. I. Slysh (a1) and V. Migenes (a2)
  • DOI: http://dx.doi.org/10.1017/S1743921307012835
  • Published online: 01 March 2007
Abstract
Abstract

A flare of OH maser emission was discovered in W75N in 2000. Its location was determined with the VLBA to be within 110 AU from one of the ultra-compact HII regions, VLA2. The flare consisted of several maser spots. Four of the spots were found to form Zeeman pairs, all of them with a magnetic field strength of about 40 mG. This is the highest ever magnetic field strength found in OH masers, an order of magnitude higher than in typical OH masers. We discuss the possible source for the enhanced magnetic field and its relation to the flare event.

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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

A. V. Alakoz , V. I. Slysh , M. V. Popov & I. E. Val'tts , 2005, Astron. Letters 31, 375

V. L. Fish , M. J. Reid , A. L. Argon & X.-W. Zheng , 2005, ApJS 160, 220

V. I. Slysh , V. Migenes , I. E. Val'tts , S. Yu. Lyubchenko , S. Horiuchi , V. I. Altunin , E. B. Fomalont & M. Inoue , 2002, ApJ 564, 317

J. M. Torrelles , 2003, ApJL 598, L115

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Proceedings of the International Astronomical Union
  • ISSN: 1743-9213
  • EISSN: 1743-9221
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
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