Journal
ASTROPHYSICAL JOURNAL
Volume 694, Issue 2, Pages 1056-1066Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/694/2/1056
Keywords
ISM: magnetic fields; stars: formation; submillimeter; techniques: polarimetric
Categories
Funding
- NSF [AST 05-05230]
- University of Chicago
- AST [02-41356, 05-05230, 05-05124]
- CSO [AST 05-40882]
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The molecular cloud, DR21 Main, is an example of a large-scale gravitational collapse about an axis near the plane of the sky where the collapse is free of major disturbances due to rotation or other effects. Using flux maps, polarimetric maps, and measurements of the field inclination by comparing the line widths of ion and neutral species, we estimate the temperature, mass, magnetic field, and the turbulent kinetic, mean magnetic, and gravitational potential energies, and present a three-dimensional model of the cloud and magnetic field.
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