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Zeeman Observations of the Magnetic Field in the Galactic Centre

Published online by Cambridge University Press:  19 July 2016

U. J. Schwarz  and
J. Lasenby
U. J. Schwarz
Affiliation:
Kapteyn Laboratory, P.O. Box 800 9700 AV Groningen The Netherlands
J. Lasenby
Affiliation:
Cavendish Laboratory Cambridge CB3 0HE England

Abstract

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Direct measurements of the magnetic field in the neutral ring at the Galactic centre were made by observing the Zeeman splitting in HI- absorption around ± 100 kms−1 and give a field of (–0.5mG ± 0.17mG); significantly less than inferred from IR polarisation observations (Werner et al., 1988).

Type
7. Magnetic Fields in Galactic Nuclei
Information
Symposium - International Astronomical Union , Volume 140: Galactic and Intergalactic Magnetic Fields , 1990 , pp. 383 - 384
Copyright
Copyright © Kluwer 1990 

References

Becklin, E.E., Gatley, I., Werner, M.W. 1982, Ap. J. 258, 135 Google Scholar
Genzel, R., Townes, C.H., 1987, Ann. Rev. Astr. Ap. , 25, 277 Google Scholar
Lewtas, J., 1986, Thesis, Cambridge Google Scholar
Schwarz, U.J., Troland, T.H., Albinson, J.S., Bregman, J.D., Goss, W.M., Heiles, C., 1986, Ap. J. 301, 320 Google Scholar
Werner, M.W., Davidson, J.A., Morris, M., Novak, G., Platt, S.R., Hildebrand, R.H., 1988, Ap. J. 333, 729 Google Scholar