euso atmospheric monitoring from space m.teshima on behalf of the euso collaboration mpi für...
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EUSOEUSOAtmospheric Monitoring Atmospheric Monitoring
from Spacefrom Space
M.Teshima M.Teshima on behalf of the EUSO collaborationon behalf of the EUSO collaboration
MPI fMPI füür Physik, Mr Physik, Münchenünchen(Werner-Heisenberg-Institut)(Werner-Heisenberg-Institut)
EUSO ConceptEUSO ConceptLarge Distance and Large F.O.V. Large Distance and Large F.O.V. Large Aperture Large Aperture
~6x10~6x105 5 kmkm2 2 srsrGood Cosmic Ray detectorGood Cosmic Ray detector3000 times sensitive to C.R. bursts3000 times sensitive to C.R. bursts
~2000 Giga-ton atmosphere~2000 Giga-ton atmosphereGood neutrino detectorGood neutrino detector
All Sky coverageAll Sky coverage North and south sky covered uniformly. North and south sky covered uniformly.
ISS orbit: ~50°inclination.ISS orbit: ~50°inclination.
Complementary to the observation fComplementary to the observation from the groundrom the ground
Different energy scaleDifferent energy scale Different systematic errorsDifferent systematic errors
Shower Geometry is well definedShower Geometry is well defined Constant distance from detectorConstant distance from detector
Attenuation correction is minimum!!
Atmospheric monitoring in EUSOAtmospheric monitoring in EUSOIR ~10IR ~10μμm CCD camera (256x256), UV CCD Cameram CCD camera (256x256), UV CCD Camera
IR: Cloud monitor (clould looks colder than the ground temperature)IR: Cloud monitor (clould looks colder than the ground temperature) UV; Detection of lightening and other background, for example, air pUV; Detection of lightening and other background, for example, air p
lane flashlane flashGround Light Source; Complimentary to Onboard lidarGround Light Source; Complimentary to Onboard lidar
Ground based LIDAR system, 10-20 stationsGround based LIDAR system, 10-20 stations Flashers, Hamamatsu L6604Flashers, Hamamatsu L6604
10 ground stations + NASA research aircraft P-3B10 ground stations + NASA research aircraft P-3B500-1000 flashes/station can be used for monitoring500-1000 flashes/station can be used for monitoring
Onboard LIDAR systemOnboard LIDAR system Power and mass budgetPower and mass budget Effectiveness on the analysisEffectiveness on the analysis Current Baseline designCurrent Baseline design
one color 1064nm LIDAR system, 50mJ/100Hz, 140kg, 300Wone color 1064nm LIDAR system, 50mJ/100Hz, 140kg, 300WBlind LIDAR for EUSOBlind LIDAR for EUSO
InformationInformationtop of thick cloud altitudetop of thick cloud altitudeThin cloud transmission at 1000nmThin cloud transmission at 1000nm
Flasher and the intensityFlasher and the intensityIntegrated transmission can be measuredIntegrated transmission can be measured
Hamamatsu L6604~1J/shot
Flasher Image on EUSO FSFlasher Image on EUSO FS~30Hz flash rate0.05 deg / flashTotal ~1000 flashes
EUSO FOV
EUSO ~16km/s
50mJ Nd: YAG Ground LIDAR50mJ Nd: YAG Ground LIDAR
Define beam intensity in Define beam intensity in each laser path by G.B.L.each laser path by G.B.L.Transmissions between Transmissions between space and various space and various altitudealtitude
Simulate shower trackSimulate shower track Check reconstruction Check reconstruction
qualityquality End to end experimental End to end experimental
calibrationcalibration
10stations 10stations ~1/day ~1/day
Lidar Image on EUSO FSLidar Image on EUSO FS100Hz shot rate0.01 deg / shotTotal ~3000 shots
Good simulation forCherenkov + fluorescence
EUSO ~16km/s
EUSO FOV
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