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Astron. Astrophys. 351, 192-194 (1999)

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Ambipolar diffusion and the detectability of recombination emission from protostellar disks

J.G.L. Rae 1, T.W. Hartquist 1 and G.E. Morfill 2

1 Department of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
2 Max-Planck-Institut für Extraterrestrische Physik, P.O. Box 1603, 85740 Garching, Germany

Received 18 May 1999 / Accepted 17 August 1999


The emission measure of a region ionised by ambipolar diffusion in the vicinity of a protostellar disk is given, and the possibility of detecting such a region in recombination radiation is considered.

Key words: stars: formation – stars: magnetic fields

Send offprint requests to: T.W. Hartquist (twh@ast.leeds.ac.uk)

© European Southern Observatory (ESO) 1999

Online publication: November 2, 1999