Purpose of the flight and payload description
THEMIS was the generic denomination of some technological missions carried out by the Centre National d'Etudes Spatiales (CNES) in the framework of the transmediterranean long-duration balloon flights of the ODISSEA campaigns. The name is rooted in the tradition followed by the french researchers who named the missions after characters found in Homer's masterpiece ''The Odyssey" or in the greek/roman mythology.
This particular flight transported onboard the following experiments:
A system of videocameras, photographic systems and accelerometers to obtain data in flight.
The ETER experiment developed by the Instituto Nacional de Tecnica Aeroespacial (INTA) from Spain aimed to the study of the UV radiation and atmospheric components.
FLUXMETRE a device developed by CNES to measure the solar radiation in shortwave wavelenghts of the spectrum.
TM-L a telemetry system tested by CNES which operates in the L-Band
Details of the balloon flight
Balloon launched on: 7/22/1990
Launch site: Base di Lancio Luigi Broglio, Trapani, Sicily, Italy
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Zero Pressure Balloon Zodiac - 900.000 m3
End of flight (L for landing time, W for last contact, otherwise termination time): 7/23/1990
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 20 h 41 m
Landing site: In Spain
Campaign: ODISSEA 90
Payload weight: 2595 kg
Gondola weight: 1790 kg
- CNES balloon milestones Cnes Magazine Nº 11
- Large Heavy Duty Balloons in Europe 10th ESA Symposium on European Rocket and Balloon Programmes and Related Research, Pag. 287
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