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Magnetic fields in dense regions

Published online by Cambridge University Press:  03 August 2017

Carl Heiles ,
Alyssa A. Goodman ,
Christopher F. McKee  and
Ellen G. Zweibel
Carl Heiles
Affiliation:
1989-1990 Visiting Fellow, Joint Institute for Laboratory Astrophysics University of Colorado, Boulder CO 80309-0440 USA
Alyssa A. Goodman
Affiliation:
University of California, Berkeley, CA 94720 USA
Christopher F. McKee
Affiliation:
University of California, Berkeley, CA 94720 USA
Ellen G. Zweibel
Affiliation:
University of Colorado, Boulder CO 80309-0440 USA

Extract

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This paper concentrates on reviewing magnetic fields in dense regions; see Heiles (1988, 90) for a review of fields in diffuse regions. The past few years have increased our observational knowledge of magnetic fields in dense regions by an enormous factor—not because there are many measurements, but because we started from zero. The observable is polarization, which is small and subject to systematic errors. The fact that the advances have occurred only recently is a result of several factors: technological development; the interest and commitment of experimentally-minded astronomers; and the maturing of molecular and infrared astronomy to the point that really new results require either new insights or more difficult techniques.

Type
Velocity Field and Magnetic Field
Information
Symposium - International Astronomical Union , Volume 147: Fragmentation of Molecular Clouds and Star Formation , 1991 , pp. 43 - 60
Copyright
Copyright © Kluwer 1991 

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