Search for gamma-ray transients

These scripts are to reproduce the results from the paper titled "Search for gamma rays from SNe with a variable-size
sliding-time-window analysis of the Fermi-LAT data", DOI: 10.1093/mnras/stab1313.

The description of all the included scripts is available in README.pdf. 

Please, feel free to contact Dmitry Prokhorov, email: d.prokhorov at uva.nl,  if you have any questions about the scripts.

Abstract. We present a systematic search for gamma-ray emission from supernovae (SNe) in the Fermi Large Area Telescope (LAT) Pass 8 data. We searched for gamma rays from SNe by means of a variable-size sliding-time-window analysis. Our results confirm the presence of transient gamma-ray emission from some non-AGN classes sources, including transitional pulsars, solar flares, gamma-ray bursts, novae, and the Crab Nebula, which are projected near some of these SN’s positions, and also strengthen support to the variable signal in the direction of SN iPTF14hls. The analysis is successful in finding both short (e.g. solar flares) and long (e.g. transitional pulsars) high flux states. Our search reveals new gamma-ray transient signals where their flux increases within 6 months after the dates of SN’s discoveries. These signals are bright and their variability is at a higher statistical level than that of iPTF14hls. In addition, we report the results of an all-sky search for gamma-ray transient sources.

Figures and tables from the paper are available at https://arxiv.org/e-print/2105.04007