INFRARED TELESCOPE

Developed by Washington University in St. Louis (WUSTL)

Balloon launched on 1/19/1970, from Hobbs, New Mexico, US

Purpose of the flight and payload description

The payload was composed by a gallium-doped germanium bolometer fed by a conical light-pipe situated at the focus of a Newtonian telescope with an f/8 primary mirror 20 cm in diameter. The field of view of the detector was 0º 56. The bolometer and light-pipe were cooled to 1.8° K by liquid helium at ambient atmospheric pressure

Details of the balloon flight

Balloon launched on: 1/19/1970
Launch site: Hobbs, New Mexico, US  
Balloon launched by: National Center for Atmospheric Research (NCAR)
Balloon manufacturer/size/composition: Zero Pressure Balloon Winzen - 750.000 cuft (1.0 Mil. Stratofilm)
Balloon serial number: SF 120.55-100-NS-02 SN: 6
Flight identification number: 521H
End of flight (L for landing time, W for last contact, otherwise termination time): 1/19/1970
Landing site: Balloon ruptured at release. No flight
 Payload weight: 801 lbs.

External references

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