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High Energy Astrophysics Science Archive Research Center (HEASARC)

This web site is for scientists and astronomy enthusiasts seeking actual data from a multitude of space-based observatories. The High Energy Astrophysics Science Archive Research Center (HEASARC) is the primary archive for high-energy astronomy missions, in the extreme ultraviolet, X-ray and gamma-ray wavelengths. The HEASARC provides archival data, multi-mission software and analysis tools, and information about current and past observatory missions.