1. SRG 1 X-RAY Astronomy 2009, Bologna, 11 September, 2009 Spectrum-Roentgen-Gamma astrophysical project, current status Mikhail Pavlinsky (IKI, Moscow) on behalf of SRG team

2. SRG 2 News – August 18, 2009, Roscosmos (Russia) and DLR (Germany) signed an Agreement «On cooperation in the framework of Spectrum-Roentgen-Gamma orbital astrophysical project»

3. SRG 3  Roscosmos, Russia  Space Research Institute, IKI, Moscow, Russia  Lavochkin Association, Khimki, Russia  VNIIEF, Sarov, Russia  Max-Planck-Institute for Astrophysics, MPA, Garching, Germany  Istitut fur Astronomie und Astrophysik, Univ. Tubingen, Germany  Astrophysikalishes Institut Potsdam, Germany  University Erlangen-Nuernberg, Germany  Hamburg University, Germany  Max-Planck-Institute for Extraterrestrial Physics, MPE, Garching, Germany  DLR, Germany

4. SRG 4 –S/C to be launched in 2012 from Baikonur –Rocket Soyuz-2/1b + buster Fregat, with gravity manoeuvre around the Moon –Halo-orbit around L2 –Platform Navigator (Lavochkin Association) –S/C total mass 2200 kg –Payload − 1110 kg, 800 W:  eROSITA (MPE, DLR, Germany), X-ray mirror telescopes, 0.5−10 keV  ART-XC (IKI + VNIIEF, Roscosmos, Russia), X-ray mirror telescopes, 6−30 keV –Life time − 7 years

5. SRG 5 2009 June, 2008

6. SRG 6 Navigator Solar panels drive mechanism On-board control system, radio system and TMS equipment Flywheel engines Radiator Solar panels Propulsion system Body Tank S/C dry mass900 kg S/C propellantup to 300 kg PL mass2000 kg PL power1500 W (HEO) PL power600 W (LEO) Pointing2 Stabilization 5  Stabilization rate0.36  /s Reappointing rate0.25  /s Life time7 years

7. SRG 7

8. 8  The three months – flight to L2, verification and calibration of payload  4 years – an all sky survey  3 years – on follow-up pointed observations of a selection of the most interesting galaxy clusters and AGNs. Observing strategy:

9. SRG 9 eROSITA @ ART-XC on-axis effective area and grasp 2500 cm 2 @ 1.4 keV 510 cm 2 @ 7 keV 1100 cm 2  deg 2 @ 1.4 keV 45 cm 2  deg 2 @ 7 keV

10. SRG 10  The study of the large-scale structure of the Universe  with 100 000 galaxy clusters  The exploration of the growth and cosmological evolution of supermassive Black holes in the Universe  with sample  3 million AGNs The scientific goals of the SRG/eROSITA all-sky survey:   3.5  10 14 M  (T  4.5 keV) up to z=2   2.3  10 14 M  (T  3.5 keV) up to z=1   10 14 M  (T  2 keV) up to z=0.4

11. SRG 11 and with ART-XC – complementary instrument  All-sky survey at 6  11 keV energy band with sensitivity  3  10 -13 erg s -1 cm -2 keV -1  discovery at local Universe several thousands new AGNs  Study of massive nearby galaxies clusters with T  5 keV in the pointing observation mode  Study of intrinsically heavily absorbed/Compton thick AGNs ( N H  3  10 23 см -2 )  Survey of galactic black holes and neutron stars with low luminosity  Study heavily obscured galactic X-ray binary systems  Study broad band spectra of Galactic objects (including binary systems, anomalous pulsars, SNRs) up to 30 keV, spectroscopy and timing of point sources  Study of cyclotron lines features of X-ray pulsars with energy resolution 1.5 keV up to 30 keV

12. SRG 12 Survey Параметры обзора всего неба eROSITA: SRG ~100 000 Clusters  3 Million AGN ~20 QSO at z>7

13. SRG 13 eROSITA (MPE, DLR)  Number of mirror systems7  Number of nested mirror shells54  FOV1   On-axis angular resolution15  (1 keV)  Energy range0.2 – 12 keV  Diameter of 1 mirror system358 mm  Form of shellWolter-1  Focal length1600 mm  Material of mirror shellsNickel  Mirror coatingGold  Total weight760 kg  Power consumption405 W

14. SRG 14 eROSITA (MPE, DLR)  Detector principlepn-CCD, Si  Size28.8  28.8 mm 2  Energy resolution130 eV @ 6 keV  Pixels384  384  Pixel size75  75 µm 2  Circle time50 msec  Working temperature  80  C

15. SRG 15  Number of mirror systems7  Number of nested mirror shells28  FOV  32  On-axis angular resolution  1  Energy range6 – 30 keV  Diameter of mirror system148 mm  Form of shellcone-cone  Length of shell580 mm  Focal length2700 mm  Material of mirror shellsNickel  Mirror coatingIridium  Total weight350 kg  Power consumption300 W ART-XC (IKI, VNIIEF, Roscosmos)

16. SRG 16  Number of detectors7  Detector principleDSSD CdTe  CdTe manufacturerACRORAD  Size25.6  25.6 mm 2  Thickness1 mm  Number of strips64  64  Strip pitch0.4 mm  Energy resolution  10% @ 14 keV  Time resolution1 ms  Working temperature  40    35  C  Entrance window100  m, Be  ASICVA64TA  Background≤10 -2 cnt s -1 cm -2 keV -1 Prototype with 32 pixels Am 241 ART-XC, detector

17. SRG 17 ART-XC

18. SRG 18 Exposition time map for ½ year all-sky survey. The rotational axis is directed on Sun constantly. The minimal 4-year exposition is  1900 sec deg -2. The survey poles position are coincide with ecliptic poles. The total size of 2 zones with exposition larger than 8000 sec deg -2 (near the survey poles) is  1260 deg 2. ART-XC

19. SRG 19 ART-XC