FermiX

This repository contains the F and astrophysical emissivity measurements, as well as example notebooks on its usage, from its companion paper "Constraints on dark matter and astrophysics from tomographic gamma-ray cross-correlations". Both quantities, F and the astroyphysical emissivity, are defined in Section II D 3 and Section II E of the paper respectively. The F measurements extracted from the raw cross-correlations have been used in the paper to put constraints on the velocity-averaged annihilation rate $\langle \sigma v \rangle$ and the decay rate $\Gamma$ for dark matter annihilation and decay respectively. The astrophysical emissivity measurements have been used to put constraints on the energy and redshift dependence of the detected $\gamma$-ray emissivity without assuming a particular origin.

In this repository you will find:

The data folder

This folder contains 4 data files: the F measurements for the case of annihliation in three different substructure reigmes (SC14, M16, G12), decay, and emissivity measurements.

Notebooks

The notebooks Astrophysical_example and Fmeasurements_example accompanies the data folder by showing the user how to extract information from the data files. The supplementary notebooks Extracting_F_from_Cls_Decay and Extracting_F_from_Cls_Annihilation shows how these F measurements were obtained from our raw gamma-ray cross-correlations.

Credit and Feedback

If you use the data or the methods presented in the paper, we kindly ask you to cite it.

If you have any questions or issues with the data, feel free to open an issue here or reach out to the authors directly:

• Anya Paopiamsap (@anyabua)
• David Alonso (@damonge)