https://heasarc.gsfc.nasa.gov/
HEASARC: NASA's Archive of Data on Energetic Phenomena
NASA's High Energy Astrophysics Science Archive Research Center is for scientists and astronomy enthusiasts seeking actual data from a multitude of space-based...
data onheasarcnasaarchiveenergetic
https://heasarc.gsfc.nasa.gov/docs/software/conda.html
HEASARC Software
heasarcsoftware