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The University of Tokyo Introduction of Graduate School of Science, the University of Tokyo and Associated Introduction of myself Institute (ISAS/JAXA) • Solar-terrestrial physics (STP), Space (plasma) physics and • Auroral and geospace/planetary explorations through Suggestions on SpaceMaster Thesis Themes satellites and spacecraft operations from ground-based Masafumi HIRAHARA sites Space and Planetary Science Group, • Developments of plasma/particle instruments and Department of Earth and Planetary Science, associated calibration facility for in-situ observation in space Graduate School of Science, The University of Tokyo • Experimental/data analysis works for space plasma/particle （email: [email protected]） (skype: masa.hirahara) observations Departments in Graduate School of Research Groups in Our Department Science Atmospheric and Oceanic Science Group 9 Today I am a representative of three research groups; two Physics Space and Planetary Science Group in Univ. Tokyo and one in ISAS/JAXA. Astronomy Earth and Planetary System Science Earth and Planetary Science (EPS) Group 1. Space instrumentation/data analysis in Hongo of Univ. Tokyo Chemistry Solid Earth Science Group 2. Planetary research in Kashiwa of Univ. Tokyo Biophysics and Biochemistry Geosphere and Biosphere Science Biological Sciences Group 3. Satellite component development in Sagamihara of ISAS/JAXA http://www.s.u-tokyo.ac.jp/en/ http://www.eps.s.u-tokyo.ac.jp/index_en.html Solar Geospace- Solar-Terrestrial wind magnetosphere Earth Graduate School of Science (GSS), Environment Radiation belt (Van Allen belt) the University of Tokyo (UT) Sun Ring current Gespace-ionosphere Univ. Tokyo Main Island of Japan In Hongo Area Solar wind plasma stream and interplanetary magnetic field Terrestrial upper atmosphere (Expansion of solar corona) and intrinsic magnetic field Akihabara Mercury’s magnetospheric formation and Atmospheric escape/evolution and climate acceleration of space plasma particles due to change due to direct interaction between interaction between solar wind and Mercury’s solar wind and Martian ionosphere Intrinsic magnetic field Central Area of Tokyo Central Tokyo Campuses of Univ. Tokyo Hongo, Komaba, Kashiwa, Mercury magnetospheric Shirokane, Nakano Mercuryexploration mission Mars Graduate School of Science (GSS), In Hongo campus of Univ. Tokyo the University of Tokyo (UT) Hongo Campus of Univ. Tokyo Univ. Tokyo Main Island of Japan In Hongo Area Akihabara GSS of UT for SpaceMaster Central Area of Tokyo Central Tokyo Campuses of Univ. Tokyo Hongo, Komaba, Kashiwa, Shirokane, Nakano Master Themes in Hongo of Univ. Tokyo • Construction and automation of ion/electron beam facility for calibrating space plasma/particle instruments for BepiColombo Mercury magnetosphere and future terrestrial/planetary explorations – 1 – 200 keV ion/electron beam line – Beam line profiling and calibration system control – Final calibration for BepiColombo high-energy ion sensor – A few eV – a few tens of keV ion beam line • Design of suprathermal ion energy/mass spectrometers for future terrestrial/planetary explorations – Polar-ionosphere and Geospace explorations – Martian upper atmosphere and ionosphere exploration • Data display/analysis system for auroral images and plasma particle data – Auroral imaging camera data from Reimei and ALIS – Google Earth or other visualization platform Sun International Geospace Observation Network Solar Wind Geospace Akebono Geospace- ORBITALS FAST Ionosphere Solar Wind Magnetosphere Radar RBSP Lidar Aurora Earth Radiation Belts Heater Ring Current Auroral Camera Radiation Belts ERG Reimei Magnetometer (Van Allen Belts) CASSIOPE RESONANCE Geospace- Magnetosphere FORMOSAT-5 KuaFu Plasma Sun Sheet THEMIS LANL GOES Geotail Ring Current Cluster II POES Ionosphere Space Plasma/Particle Energy Distribution Calibration Facility for Space Plasma/Particle Instruments ～200-keV ion/electron beam line in Geospace 10 MeV XEP 1 MeV inner belt outer belt HEP-i HEP-e 100 keV MEP-i MEP-e ring current Energy 1 keV plasma sheet LEP-i LEP-e TSP-i TSP-e 1 eV plasmasphere electron ion L=2 Re L=5 Re (H+, He+, O+) Altitude from Earth Plasma/particle instrument package has to cover a wide energy range over more than 7 orders. Ionization source with High-voltage power supply （+150kV） mass separator and beam expander Air shower Isolation outside of clear room Transformer High-voltage power supply （+50kV） (GSS, UT) (200kV) Vacuum chamber Inside of clear room Isolation tube with (GSS, UT) linear accelerator Air shower Turntable and X-stage Vacuum pumps 55-keV_H^+_He^2+_He^+_N^+ Master Themes in Hongo of Univ. Tokyo 10 8 H^+ He^2+ 6 He^+ H^+ 4 N^+ • Construction and automation of ion/electron beam facility for 2 0 calibrating space plasma/particle instruments for BepiColombo 0 500 1000 1500 TOF-ch Mercury magnetosphere and future terrestrial/planetary 14 110-keV_H^+_He^2+_He^+_N^+ 12 H^+ He^2+ explorations 10 He^+ 8 N^+ H^+ – 1 – 200 keV ion/electron beam line 6 4 – Beam line profiling and calibration system control 2 0 0 500TOF-ch 1000 1500 – Final calibration for BepiColombo high-energy ion sensor – A few eV – a few tens of keV ion beam line • Design of suprathermal ion energy/mass spectrometers for future terrestrial/planetary explorations EU-Japan Joint Mercury Exploration Mission – Polar-ionosphere and Geospace explorations – Martian upper atmosphere and ionosphere exploration • Data display/analysis system for auroral images and plasma particle data – Auroral imaging camera data from Reimei and ALIS – Google Earth or other visualization platform Auroral emission and particle observations by Reimei Introduction of Reimei Emission-particle simultaneous measurements with high time/spatial resolutions Launch August 23 in 2005 as piggy-back by a Dnepr rocket from the Baikonur Cosmodrome in Kazakhstan Orbit Sun-synchronous Inclination: 98.6 deg. Meridian: 12:50 - 0:50 LT Altitude: 610-670 km Orbital period: 98.8 min. Attitude Three-axis stabilized, sun-oriented (basically) Telemetry S-band for up- and down-link from 1 to 133 kbps Size/Weight 724×626×609 mm3 / 71.623 kg Operation Extended to 2010 or later Multi-Spectral Auroral Electron/Ion Energy Spectrum Calibration of ESA/ISA Imaging Camera (MAC) Analyzer (ESA/ISA) Development of MAC Movie of Aurora Images Appearance of Reimei December 26, 2005 Electron Spectrum Analyzer Ion Spectrum Analyzer Exposure time: 60 msec. （ESA） （ISA） Exposure cycle: 120 msec. Footprint of S/C mapped onto 110-km altitude Multi-spectral Auroral Camera 70 km (64 bins) Northward (Poleward) along field line (MAC) at 110-km altitude 70 km (64 bins) Plasma Current Monitor Ch.1 (427.8 nm) Ch.2 (557.7 nm) Ch.3 (670.0 nm) (CRM) Electron Energy-TimeElectron Energy-Time Spectrograms Spectrograms and Aurora Images DecemberDecember 26, 28,2005 2005 10 1 0.1 Electron (0 – 60 deg.) Energy (keV) 0.01 UT(09:MM:SS) 1010:40 10:45 10:50 10:55 11:00 11:05 ILAT 74.2 73.9 73.7 73.4 73.1 72.8 MLT 10.9 0.8 0.8 0.8 0.8 0.8 0.1 Electron Energy (keV) (60 – deg.) 120 0.01 10 1 0.1 Electron Energy (keV) (120 - 180 deg.) 0.01 UT(09:MM:SS) 10:40 10:45 10:50 10:55 11:00 11:05 ILAT 74.2 73.9 73.7 73.4 73.1 72.8 MLT 0.9 0.8 0.8 0.8 0.8 0.8 ALIS (Auroral Large Imaging System) Detector units • Spectroscopic imaging system • CCD detectors: • Absolute 1024x1024 pixels measurements • FOV: 60 or 90 degrees • Maximum resolution: • 6 imager units 100 m at 100 km • 6+4 fixed stations • Typical exposure time: 1-2 s • 1 mobile station (bus) • Typical temporal • Remote control resolution: 5 s • High sensitivity, • Campaigns manages few Rayleigh • Free data on Internet Shops and cafeterias in Hongo campus Near Hongo Campus of Univ. Tokyo LIFE @ KOMABA Before move in LODGE by Ting Bathroom Desk & Kitchenette Bookshelf Bed wardrobe Balcony Rent around 100 euro!!!! After … Cafeteria @ Komaba Campus Transportatio Central business district n Fashion forefront of •10mins Japan • Walking from Hongo Komaba Lodge 20 mins walk Campus of Univ. of Shibuya Tokyo to Nezu Station •25mins • Subway from Nezu Station to Yoyogi- Uehara Station without Line Change •15mins • Walk from Yoyogi- Uehara Station to Komaba Lodge Sakura in April cheerful cherry blossom season And …..? Shinjuku? Akihabara? Ginza? Check out by yourselves! Let me know if you have any questions [email protected] All photos taken by Ting Planetary Research (Astrobiology Laboratory) in Kashiwa Campus of Univ. Tokyo URL: http://www.astrobio.k.u-tokyo.ac.jp/ Not much in English info yet… We do laboratory experiments. E-mail:Prof. [email protected] Seiji Sugita Kashiwa Campus Locations of Kas Hongo Campus hiwa C ampus Kashiwa Campus of Univ. Tokyoand • Kashiwa Campus is north east of Tokyo. Let me honest with you. It’s in the middle of nowhere; not so close to nearest train station… • But we have great research facility, an • It’s also cheap to live around here as well. Kashiwa Campus Univ. Tokyo international lodge, and less air pollution. Train station ～25 km Our building Hongo Campus Univ. Tokyo Kashiwa Campus Mon-Fri, 11:00-20:00 Cafeteria 1 Fo Mo od n- Fr sh i, 1 o 1:0 p 0- 21 :00 L ibr ary Clinic Cafeteria 2 Mon-Fri: 11:00-20:00 Sat: Lunch only Research Interests Potential Research Topics • We study the early Comparative Planetology Titan evolution of planets and •Impact Research satellites, and the origin of Comets their atmospheres. –Giant meteo impact causing Cretaceous-Tertiary • We compare our Earth and dinosaur extinction other planets in order to Mars understand why our Earth Venus –The origin of life, particularly supply
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