Spectrum-Roentgen-Gamma (SRG)

The scientific spacecraft "Spectrum-Roentgen-Gamma" (Spectr-RG or SRG) is an X-ray observatory. SRG's main scientific goal is to chart an unprecedented map of the Universe in X-rays on which all large clusters of galaxies will be marked. The scientific payload consists of two independent telescopes:
  • eROSITA, a soft-X-ray survey instrument, being provided by Germany
  • ART-XC (Astronomical Roentgen Telescope- X-ray Concentrator), a medium-X-ray-energy survey instrument, being developed by Russia.
The HEASARC currently serves part of the eROSITA data archive.

The ART-XC archive will be available in the near-future (~2025).

Latest News

Feb 26, 2022

eROSITA suspended operations and placed in safe mode. Read more here.

June 28, 2021

eROSITA Early Release Data is made public via the eROSITA-DE page.

June 10, 2020

SRG completes first all-sky X-ray survey, which lasted from December 8, 2019 to June 10, 2020.

mid-Dec, 2019.

eROSITA completes the Calibration and Performance Verification (Cal-PV) program.