Is an instrument designed to search for cosmic microwave background (CMB) anisotropy. It consists of a cryogenic differential Fourier transform spectrometer coupled to an off-axis prime focus telescope. This was their second flight.
Balloon launched on: 8/25/1998 at 00:08 utc
Launch site: Columbia Scientific Balloon Facility, Palestine, Texas, US
Balloon launched by: National Scientific Balloon Facility (NSBF)
Balloon manufacturer/size/composition: Zero Pressure Balloon 800.000 m3 - SF3-29.47-.8/.8/.8-NA
Balloon serial number: W29.47.2X-29
Flight identification number: 1564P
End of flight (L for landing time, W for last contact, otherwise termination time): 8/25/1998 at 8:23 utc
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): F 5 h 20 m
After a successful launch 5 hours of flight at float altitude. The instrument was recovered with minimal damage.
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