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Loops and spurs: The angular power spectrum of the Galactic synchrotron background

Abstract:

We present a new model of the diffuse Galactic synchrotron radiation, concentrating on its angular anisotropies. While previous studies have focussed on either the variation of the emissivity on large (kpc) scales, or on fluctuations due to MHD turbulence in the interstellar medium, we unify these approaches to match the angular power spectrum. We note that the usual turbulence cascade calculation ignores spatial correlations at the injection scale due to compression of the interstellar mediu...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
JCAP More from this journal
Volume:
06
Issue:
6
Pages:
041
Publication date:
2013-04-03
DOI:
EISSN:
1475-7516
ISSN:
1475-7516
Language:
English
Keywords:
Pubs id:
pubs:395165
UUID:
uuid:6a48cce2-c457-459c-89e5-b03e94960e99
Local pid:
pubs:395165
Source identifiers:
395165
Deposit date:
2013-11-16

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