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Dispersion of Magnetic Fields in Molecular Clouds. I

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arxiv 0811.0813 v2 pith:OSZJVFHL submitted 2008-11-05 astro-ph

classification astro-ph
keywords fieldmethodcloudsdispersionestimateslarge-scalemagneticmolecular
verification ladder T0 review T1 audit T2 compute T3 formal
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We describe a method for determining the dispersion of magnetic field vectors about large-scale fields in turbulent molecular clouds. The method is designed to avoid inaccurate estimates of magnetohydrodynamic or turbulent dispersion - and help avoiding inaccurate estimates of field strengths - due to large-scale, non-turbulent field structure when using the well-known method of Chandrasekhar and Fermi. Our method also provides accurate, independent estimates of the turbulent to large-scale magnetic field strength ratio. We discuss applications to the molecular clouds OMC-1, M17, and DR21(Main).

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. ALMA observations of Magnetic Fields in the Massive Star-forming Region IRAS 18360-0537

    astro-ph.GA 2026-07 conditional novelty 6.0 of 10

    An ordered hourglass B-field in IRAS 18360-0537 lies perpendicular to the outflow/rotation axis and is reshaped by rotation, outflow cavity walls, and accretion rather than pure magnetic regulation.

  2. The magnetic field of the Milky Way: an observational perspective

    astro-ph.GA 2026-06 unverdicted novelty 1.0 of 10

    Review summarizing observational data on the Milky Way's magnetic field structure, including spiral alignment, halo components, turbulence, and correlations with interstellar gas and dust.

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