NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-19 T02:57:48 PDT
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For refcode 1991A&A...251..402B:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1991A&A...251..402B Magnetic fields in the Milky Way neighbourhood as deduced from warps in spiral galaxies E. Battaner, J.L Garrido, M.L. Sanchez-Saavedra, and E. Florido Departamento de Fisica Teorica y del Cosmos, Facultad de Ciencias, Universidad de Granada, E-18002 Granada, Spain Received January 2, accepted March 15, 1991 Abstract. It is shown that warps of spiral galaxies are not randomly oriented in the Milky Way neighbourhood. By adopting a previous model, in which warps are produced by intergalactic magnetic fields, and considering all northern hemisphere warped edge-on NGC spiral galaxies, an analysis of the intergalactic magnetic field in the ~100 Mpc neighbourhood of our Galaxy is carried out. At the 100 Mpc scale the magnetic field is still rather homogeneous, having a direction given by ({alpha} = 289^deg^, {delta} = 8^deg^), but a characteristic scale of about 25 Mpc is found, inside which the dispersion is very low. The region containing the Virgo Cluster has a direction of the magnetic field different from the direction found in adjacent regions. Key words: Galaxies: spiral - intergalactic medium - magnetic field - Universe (the): structure of
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