The Magnetic Field of the Large Magellanic Cloud Revealed Through Faraday Rotation-Reference-Cited by-同舟云学术

The Magnetic Field of the Large Magellanic Cloud Revealed Through Faraday Rotation

Published:2005-03-11 Issue:5715 Volume:307 Page:1610-1612
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Gaensler B. M.¹²³⁴⁵,Haverkorn M.¹²³⁴⁵,Staveley-Smith L.¹²³⁴⁵,Dickey J. M.¹²³⁴⁵,McClure-Griffiths N. M.¹²³⁴⁵,Dickel J. R.¹²³⁴⁵,Wolleben M.¹²³⁴⁵

Affiliation:

1. Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Mail Stop 6, Cambridge, MA 02138, USA.

2. School of Physics, University of Sydney, New South Wales 2006, Australia.

3. Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organization, Post Office Box 76, Epping, New South Wales 1710, Australia.

4. Physics Department, University of Tasmania, GPO Box 252-21, Hobart, Tasmania 7001, Australia.

5. Astronomy Department, University of Illinois, 1002 West Green Street, Urbana, IL 61801, USA.

Abstract

We have measured the Faraday rotation toward a large sample of polarized radio sources behind the Large Magellanic Cloud (LMC) to determine the structure of this galaxy's magnetic field. The magnetic field of the LMC consists of a coherent axisymmetric spiral of field strength ∼1 microgauss. Strong fluctuations in the magnetic field are also seen on small (<0.5 parsec) and large (∼100 parsecs) scales. The large bursts of recent star formation and supernova activity in the LMC argue against standard dynamo theory, adding to the growing evidence for rapid field amplification in galaxies.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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