|Mission type||X-ray astronomy|
|Operator||Russian Space Research Institute|
Max Planck Institute for Extraterrestrial Physics
|Mission duration||6.5 years|
|Launch mass||6,000 kg |
|Dry mass||2,115 kg|
|Payload mass||1,100 kg |
|Start of mission|
|Launch date||June 2019|
|Launch site||Baikonur 45/1|
|Reference system||L2 point|
Spektr-RG (Russian for Spectrum + Röntgen + Gamma; also called Spectrum-X-Gamma, SRG, SXG) is a Russian/German high-energy astrophysics space observatory planned to launch in June 2019. It will follow on from the Spektr-R satellite telescope launched in 2011.
The primary instrument of the mission is eROSITA, built by the Max Planck Institute for Extraterrestrial Physics (MPE) in Germany. It is designed to be used to conduct a 4-year X-ray survey, the first in a medium X-ray band up to 10 keV energies. This survey should detect many new clusters of galaxies and active galactic nuclei. The second instrument, ART-XC, is a Russian high-energy X-ray telescope. This instrument and spacecraft are being built under the leadership of the Russian Space Research Institute (IKI).
The Spektr-RG programme was revived in 2005,[clarification needed] by 2016 construction was finished, and by mid-2018 it was under integration and testing. It is scheduled to be launched in March 2019. The observatory is being integrated to a "Navigator" satellite bus.
|Organisation||Max Planck Institute for Extraterrestrial Physics||IKI / VNIIEF|
|Mass||810 kg||350 kg|
|Sensitivity range||0.3 - 10 keVolts||6 - 30 keVolts|
|View angle||1 degree||30 minutes|
|Angular resolution||15 seconds||45 seconds|
|Sensor area||2,400 cm2/ 1 keVolts||450 cm2/ 8 keVolts|
- Gamma-ray astronomy
- History of X-ray astronomy
- List of X-ray space telescopes
- Solar X-ray astronomy
- Stellar X-ray astronomy
- Ultraviolet astronomy
- X-ray telescope
- Zak, Anatoly (16 April 2016). "Spektr-RG to expand horizons of X-ray astronomy". Russian Space Web. Retrieved 16 September 2016.
- Gunter Dirk Krebs. "Spektr-RG (SXG)". Retrieved 2011-02-04.
- . Anatoly Zak Russian Space Web. 18 September 2018.
- "Spectrum-RG/eRosita/Lobster mission definition document". Russian Space Research Institute. 2005-10-30. Retrieved 2011-02-04.
- Navigator satellite bus. Anatoly Zak, Russian Space Web.