1. High Energy Astrophysics in the Next Decade International Workshop on NeXT and Future Missions Tokyo Metropolitan University June 21-23, 2006

2. Suzaku, NeXT and Beyond Hideyo Kunieda Nagoya University ISAS/JAXA ASCA (1993) Newton Chandra Suzaku SWIFT

3. From Suzaku Micro- Calorimeter Hard X-ray Detector Soft X-ray telescopes Planetary nebula (Murashima et al.) OFF Source RXJ1713 Takahashi et ai. ON Source Koyama et al. Not operational Si XIII Kα Si XIV Kα Si XIII Kβ S XV Kα S XVI Kα S XV Kβ Our Galactic Center Iron line energy = 6679-->6685eV CCD Camera

4. Suzaku, NeXT and Beyond Hideyo Kunieda Nagoya University ISAS/JAXA ASCA (1993) Newton Chandra Suzaku SWIFT

5. A vast discovery space 1 0.1 1e-2 1e-3 0.1 1 10 100 1000 Energy (keV) Det. Limit (mCrab) Einstein, ROSAT Higer energies Imaging and sensitivity HEAO-A2, EXOSAT ME, Ginga LAC, RXTE PCA Chandra,XMM BeppoSAX/ PDS, RXTE/ HEXTE, Suzaku HXD Uhuru ASCA, BeppoSAX, Suzaku XIS/XRS Evolution of missions Makishima

6. Evolution of Energy Resolution ASCA Suzaku XRS Chandra TG PC (~1keV) Newton RGS Mitsuda 1.Line energy/ratio -->collisional? Density. 2. Velocity of 200km/s -->Dynamics

7. Energy flow in the Universe Motion Shock wave High resolution spectroscopy Soft γ Hard X-ray Imaging Gas EMRad. Clusters AGN Gravitational Energy Kinetic Energy Thermal Plasma Science to be explored next SNR Acceleration Non-Thermal 10 keV1 keV 100 keV Suzaku XRS NeXT Close-up Thermal phenomena Dynamics Open up The world of Non-thermal phenomena

8. NeXT mission (2012~) 12m F. L. (HXT) 9m F. L. (SXT) Hard X-ray Telescopes (2 sets) EOB Hard X-ray Imaging + High resolution spectroscopy Soft X-ray Telescopes (2 sets) Energy Soft X-ray Imaging(1 set) SXI Soft γ-ray detector SGD Hard X-ray Imaging(2 sets) HXI 300keV0.3keV3keV30keV High Resolution Spectrometer (He dewar) SXS

9. Sensitivity of NeXT SUZAKU NeXT New plan

10. Blank of approved X-ray Missions! Future programs Current missions ISAS/JAXA missions Balloon Chandra Newton 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 Hard X-ray Astronomy High resolution spectroscopy Suzaku International X-ray Observatories HEFT HERO NUSTAR Hard X-ray imaging & high resolution spectroscopy observations are necessary steps for future observatories, XEUS/Con-X, etc SUMIT InFOC μ S ASTROSATSymbol-X Spetrum-RG/eROSITA GLAST MAXI Agile SWIFT

11. Status of NeXT We have completed the pre-phase A study. Based on the new proposal, the NeXT mission obtained an endorsement from the steering committee as a mission which is ready for moving into the Phase-A study. However, ISAS can not fund NeXT this year.

12. 1 0.1 1e-2 1e-3 0.1 1 10 100 1000 Energy (keV) A vast discovery space Det. Limit (mCrab) Einstein, ROSAT Higer energies Imaging and sensitivity HEAO-A2, EXOSAT ME, Ginga LAC, RXTE PCA Chandra,XMM BeppoSAX/ PDS, RXTE/ HEXTE, Astro-E2 HXD XEUS/ Con-X Uhuru ASCA, BeppoSAX, Astro-E2 XIS Evolution of missions NeXT SGD NeXT super mirror

13. NeXT (2012- ) SUMIT InFOCμS Future missions in the next decade + MAXI GLST XEUS(2017- ) Con-X(2017- ) eRosita Simbol-X 1. Exploration of new science requires new performance Energy resolution, Energy range, Sensitivity,,, 2. International collaborations

14. Ask, and it shall be given you! XRT