observation period for this dataset spans from August 4, 2008, to December 29, 2023, with an energy range of 500 ...
same information as 4FGL-Xiang_Region_File.reg but excludes the names of the sources from 4FGL-DR4.
500MeV_TSmap_fits.rar ...
: This archive contains the TS maps of 72 ROIs in FITS format, for energies above 500 MeV.
500MeV_TSmap_eps.rar ...
: This archive contains the TS maps of 72 ROIs in EPS format, for energies above 500 MeV.