ELECTRON DETECTOR

Developed by California Institute of Technology / Office of Naval Research (ONR)

Balloon launched on 4/7/1967, from Columbia Scientific Balloon Facility, Palestine, Texas, US

Purpose of the flight and payload description

The flux of cosmic-ray electrons in the energy interval of 17-63 MeV was measured by an instrument specifically designed to detect cosmic ray electrons. The system was composed by two scintillation-telescope counters that defined the acceptance cone of the system, and a gas Cerenkov counter filled with SF, at 2.2 atm absolute pressure.

Details of the balloon flight

Balloon launched on: 4/7/1967 at 11:27 utc
Launch site: Columbia Scientific Balloon Facility, Palestine, Texas, US  
Balloon launched by: National Center for Atmospheric Research (NCAR)
Balloon manufacturer/size/composition: Zero Pressure Balloon Winzen 10.600.000 cuft (0.5 Mil.)
Flight identification number: 288P
End of flight (L for landing time, W for last contact, otherwise termination time): 4/7/1967 at 21:55 utc
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 5 h
Landing site: Successful flight. Balloon don't reach the float altitude.
 Payload weight: 555 lbs

Successful flight. Balloon don't reach the float altitude.

Postal cover issued on launch day commemorating the flight

External references

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