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Título

Magnetic Fields in the Formation of Sun-Like Stars

AutorGirart, Josep Miquel ; Rao, Ramprasad; Marrone, Daniel P.
Fecha de publicación11-ago-2006
EditorAmerican Association for the Advancement of Science
CitaciónScience 313(5788): 812-814 (2009)
ResumenWe report high-angular-resolution measurements of polarized dust emission toward the low-mass protostellar system NGC 1333 IRAS 4A. We show that in this system the observed magnetic field morphology is in agreement with the standard theoretical models of the formation of Sun-like stars in magnetized molecular clouds at scales of a few hundred astronomical units; gravity has overcome magnetic support, and the magnetic field traces a clear hourglass shape. The magnetic field is substantially more important than turbulence in the evolution of the system, and the initial misalignment of the magnetic and spin axes may have been important in the formation of the binary system.
Descripción3 pages, 2 figures.-- ArXiv pre-print available at: http://arxiv.org/abs/astro-ph/0609177
Versión del editorhttp://dx.doi.org/10.1126/science.1129093
URIhttp://hdl.handle.net/10261/13624
DOI10.1126/science.1129093
ISSN0036-8075 (Print)
1095-9203 (Online)
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