Abstract
We discuss the interstellar magnetic field and its measurement in the different phases of the interstellar medium. The measurement techniques include Faraday rotation, Zeeman splitting, linear polarization from aligned dust grains, and the Chandrasekhar-Fermi method. The phases include the classical ones: molecular clouds, the Cold and Warm Neutral Media, the Warm and Hot Ionized Media. We also include a less well-known phase, the Warm Partially Ionized Medium, which can be surprisingly prominent in Faraday rotation.
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Acknowledgements
It is a pleasure to thank Tim Robishaw for his pleasant and capable collaboration on matters magnetic; and Rainer Beck for excellent commentary and suggestion of several important references. We greatly appreciate the support of the International Space Science Institute in attending the meeting. This work was supported in part by NSF grant AST 027321-003. The Wisconsin H-Alpha Mapper is funded by the National Science Foundation. The research leading to these results has received funding from the European Union’s Seventh Framework Programme (FP7/2007-2013) under grant agreement number 239490.
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Heiles, C., Haverkorn, M. Magnetic Fields in the Multiphase Interstellar Medium. Space Sci Rev 166, 293–305 (2012). https://doi.org/10.1007/s11214-012-9866-4
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DOI: https://doi.org/10.1007/s11214-012-9866-4