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1 October 1993 SPIRIT II mission overview
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The second Spatial sPectral Infrared Rocketbome Interferometer Telescope (SPIRiT II), a recently launched sounding rocket experiment, measured the spatial and spectral structure of the LWIR region of the earthlimb. The two primary instruments, a 300-detector spatial radiometer and a 6-detector interferometer-spectrometer, were both housed in a highoff-axis-rejection telescope cooled to liquid helium temperatures. A photometer was used to sense energy input into the atmosphere. Ancillary instruments used to determine pointing direction and to view scene content (both during flight and for postflight data analysis) included an electronic star tracker, a horizon sensor, a low light level television camera, and a celestial aspect sensor television camera. The instrument payload, which was separated from the booster rocket in flight, contained its own attitude control system and performed a preplanned scanning pattern through the earthlimb.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John C. Kemp and E. Ray Huppi "SPIRIT II mission overview", Proc. SPIE 2019, Infrared Spaceborne Remote Sensing, (1 October 1993);


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