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Constraints on the Magnetic Fields in Galaxies Implied by the Infrared-to-Radio Correlation

G. Hélou (California Institute of Technology, Infrared Processing and Analysis Center), Michael D. Bicay (California Institute of Technology, Infrared Processing and Analysis Center)

Symposium - International Astronomical Union
DOI: 10.1017/s0074180900190102 (Physics and Astronomy)
Licence : non indiquée (tous droits réservés)

Résumé : We propose a physical model for understanding the tight correlation between far-infrared and non-thermal radio luminosities in star-forming galaxies. This approach suggests that the only constraint implied by the correlation is a universal relation whereby magnetic field strength scales with gas density to a power 1/3≤β≤<2/3.

Publié le 01 Jan. 1990