CLUMPY: a code for gamma-ray signals from dark matter structures

Details CLUMPY: a code for gamma-ray signals from dark matter structures CLUMPY: a code for gamma-ray signals from dark matter structures

2012-01-23

arxiv.org/abs/1201.4728v1

Computer Physics Communications 183 (2012) 656--668

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

15 pages, 7 figures, published in CPC. The CLUMPY code and its documentation can be found at http://lpsc.in2p3.fr/clumpy

Scientific paper

10.1016/j.cpc.2011.10.017

We present the first public code for semi-analytical calculation of the gamma-ray flux astrophysical J-factor from dark matter annihilation/decay in the Galaxy, including dark matter substructures. The core of the code is the calculation of the line of sight integral of the dark matter density squared (for annihilations) or density (for decaying dark matter). The code can be used in three modes: i) to draw skymaps from the Galactic smooth component and/or the substructure contributions, ii) to calculate the flux from a specific halo (that is not the Galactic halo, e.g. dwarf spheroidal galaxies) or iii) to perform simple statistical operations from a list of allowed DM profiles for a given object. Extragalactic contributions and other tracers of DM annihilation (e.g. positrons, antiprotons) will be included in a second release.

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