The Galactic center: a model for cosmic ray interactions in starburst galaxies?

Type Conference Paper
Names T. Yoast-Hull, J. S. Gallagher, E. Zweibel
Conference Name IAU Symposium
Volume 303
Pages 153-155
Date May 1, 2014
DOI 10.1017/S174392131400043X
ISBN 1743-9221
Short Title The Galactic center
Library Catalog
Abstract The Galactic center contains strong magnetic fields, high radiation fields, and dense molecular gas, as is also the case in starburst galaxies. The close proximity of the Galactic center allows for more and better observations of the interstellar medium than for extragalactic sources making it an ideal place for testing models for cosmic ray interactions. We compare our semi-analytic model for cosmic ray interactions to published data for both the Galactic center and the starburst galaxy NGC 253. We present the predicted radio and γ-ray spectra and compare the results with published measurements. In this way we provide a quantitative basis for assessing the degree to which the Galactic center resembles a starburst system.
Tags COSMIC RAYS, Galaxy: Center, galaxies: individual (NGC253), galaxies: starburst, gamma rays: galaxies, radio continuum: galaxies
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