This python script can be used to find overlapping events between 2 catalogs. It compares the location (RA/DEC) and time of event to find any similarities. It is used in step 2 of my analysis into the "Search for Gamma-ray Emissions from a Population of Fast Radio Bursts."

Usage requirements:

• The script requires .csv files and knowledge of what column contains the GRB/FRB code, the event time, RA, DEC, and RA/DEC errors.
• Input a time uncertainty when prompted, filenames, and number of entries in each file
• The script displays when a match is found and it will output a total runtime at the end as well as the time the script finished
• The package 'pandas' is required which can be installed here: https://pandas.pydata.org/getting_started.html
• Generates 2 .txt files, one containing photons and FRBs that only match in location and the other containing photons and FRBs that mathc in both location and time.

This bash script utilises the Fermi tool 'gtselect' and is much more optimised than the python version above. It is used in step 2 of my analysis into the "Search for Gamma-ray Emissions from a Population of Fast Radio Bursts."

Usage requirements:

• Have Fermi tools pre installed and he conda enviornment activated (https://github.com/fermi-lat/Fermitools-conda/wiki/Installation-Instructions)
• Activate Fermi enviornment
• Input a time uncertainty and energy range when prompted
• Requires the data and knowledge of what column contains the GRB/FRB code, the event time, RA, DEC, and RA/DEC errors.
• The script can be adapted by changing the lines with comments.

These scripts was produced by Ethan H. Kao at the Laboratory for Space Research (HKU)

For any questions, contact: [email protected]