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Galactic Diffuse Polarized Emission

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Abstract

Diffuse polarized emission by synchrotron is a key tool to investigate magnetic fields in the Milky Way, particularly the ordered component of the large scale structure. Key observables are the synchrotron emission itself and the RM is by Faraday rotation. In this paper the main properties of the radio polarized diffuse emission and its use to investigate magnetic fields will be reviewed along with our current understanding of the galactic magnetic field and the data sets available. We will then focus on the future perspective discussing RM-synthesis – the new powerful instrument devised to unlock the information encoded in such an emission – and the surveys currently in progress like S-PASS and GMIMS.

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Authors and Affiliations

  1. ATNF – CSIRO Astronomy and Space Science, PO Box 276, Parkes, NSW 2870, Australia

    Ettore Carretti

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  1. Ettore Carretti
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Correspondence to Ettore Carretti.

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Carretti, E. Galactic Diffuse Polarized Emission. J Astrophys Astron 32, 457–463 (2011). https://doi.org/10.1007/s12036-011-9120-6

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  • DOI: https://doi.org/10.1007/s12036-011-9120-6

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