NORM Instrument Features

 

Instrument Features

Application Measuring kinetic energy for energetic charged particle radiation in space
Power consumption 3W
Dimensions Sensor unit (DGU): 148,5 x 76 x 68 mm  Processing unit (DHU): 140 x 140 x 65 mm
Energy range Electrons: 0.5 - 7 MeV, 9 log bins Protons: 7 - 200 MeV, 9 log bins
Detector technology Particle telescope: stack of 9 Si diodes and Al/Ta absorbers
Data interfaces MIL-STD-1553B, CAN-Bus, SpaceWire
Radiation hardness 100krad TID, 60MeV cm2/mg SEL
In orbit lifetime Up to 15 years
Input voltage range 18V – 37V
Figure 1: NORM instrument (Photo-Credit: Integrated Detector Electronic AS)

Data Sample

Actual data sample

Flux Data Contents

Field Type Count Description
"cdf_epoch" <milliseconds> 1 Time Tag, CDF timestamp in milliseconds A.D. ([Data analysis (prbem.github.io)])
"epoch" Integer 1 Time Tag, J2000 ([Epoch (astronomy) - Wikipedia]), Seconds since epoch
"millisec" Integer 1 Time Tag, J2000, Milliseconds
"position_1" Decimal.9 1 Spacecraft Position from ephemeris
"position_2" Decimal.9 1 Spacecraft Position from ephemeris
"position_3" Decimal.9 1 Spacecraft Position from ephemeris
"main_proton_<1-9>" Integer 9 Proton channel count rate/s
"main_electron_<1-9>" Integer 9 Electron channel count rate/s
"fedo_<1-9>" Decimal 9 Omni-Directional Differential Electron Flux [cm-2 sr-1 s-1 MeV-1]
"feio_<1-9>" Decimal 9 Omni-Directional Integral Electron Flux [#/(cm2 s sr) ]
"fpdo_<1-9>" Decimal 9 Omni-Directional Differential Proton Flux [cm-2 sr-1 s-1 MeV-1]
"fpio_<1-9>" Decimal 9 Omni-Directional Integral Proton Flux [#/(cm2 s sr) ]
"odi_unilib_b_calc" Decimal   Calculated B at satellite
"odi_unilib_i" Decimal   I [Earth radii]
"odi_unilib_l" Decimal   L [Earth Radii]
"odi_unilib_l_star" Decimal   L* [Earth Radii]
"odi_unilib_alpha_eq" Decimal   equatorial pitch angle
"odi_unilib_b_eq" Decimal   B field at equator
"odi_unilib_mlt" Decimal   Magnetic Local Time
"dataset_file_id" Null   Not used.
"Quaternions" Decimal 4 Pointing Vector