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Tracing the Magnetic Field in Molecular Clouds

Houde, M. and Phillips, T. G. and Hildebrand, R. H. and Dowell, C. D. and Bastien, P. and Peng, R. and Vaillancourt, J. E. and Dotson, J. L. and Yoshida, H. (1997) Tracing the Magnetic Field in Molecular Clouds. In: The Dense Interstellar Medium in Galaxies. Springer Proceedings in Physics. No.91. Springer , Berlin, pp. 365-368. ISBN 978-3-642-62348-6. https://resolver.caltech.edu/CaltechAUTHORS:20200221-090156145

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Abstract

The orientation of the magnetic field vector at any given point in a molecular cloud can be specified with two parameters: α, its inclination angle to the line of sight, and β, its projection angle on the plane of the sky (eastward from north). Until recently, of these two angles, only β could be measured. At submillimeter wavelengths, this can be accomplished, for example, with polarization measurements of the continuum radiation emanating from elongated dust grains that are aligned by the local magnetic field [2]. The angle β is thus obtained from the angle of the polarization vector since the projection of the magnetic field vector in the plane of the sky is oriented at right angles to the polarization vector [5].


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-3-642-18902-9_66DOIArticle
https://rdcu.be/b3Yq2PublisherFree ReadCube access
Additional Information:© 1997 Springer-Verlag Berlin Heidelberg. The Caltech Submillimeter Observatory is funded by the NSF through contract AST 9980846 and the observations made with Hertz were supported by NSF Grants AST 9987441 and AST 0204886.
Funders:
Funding AgencyGrant Number
NSFAST-9980846
NSFAST-9987441
NSFAST-0204886
Subject Keywords:Polarization Vector; Molecular Cloud; Magnetic Field Vector; Submillimeter Wavelength; Mill Imeter
Series Name:Springer Proceedings in Physics
Issue or Number:91
Record Number:CaltechAUTHORS:20200221-090156145
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200221-090156145
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101448
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Feb 2020 17:20
Last Modified:05 May 2020 23:37

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