Atmospheric Emissions Photometric Imaging Experiment (AEPT) For Spacelab 1

William G. Sandie; Stephen B. Mende; Gary R. Swenson; Michael E. Polites

doi:10.1117/12.959871

3 April 1981 Atmospheric Emissions Photometric Imaging Experiment (AEPT) For Spacelab 1

William G. Sandie, Stephen B. Mende, Gary R. Swenson, Michael E. Polites

Proceedings Volume 0265, Shuttle Pointing of Electro-Optical Experiments; (1981) https://doi.org/10.1117/12.959871
Event: 1981 Los Angeles Technical Symposium, 1980, Los Angeles, United States

Abstract

The atmospheric emissions photometric imaging experiment (AEPI) to be flown on Spacelab 1 is designed to study faint natural and artificial atmospheric emission phenomena. Optical emissions are imaged in the region 2150 Å to 7320 Å using a television system consisting of two optical channels, one wide-angle and one telephoto. The detection system is an image-enhanced SEC vidicon. A third optical channel images onto the photocathode of a microchannel plate photomultiplier tube that has 100 discrete anodes. Photons are counted for each discrete anode, providing a direct measure of the luminosity of an object viewed by the TV telephoto lens, albeit with low spatial resolution. The AEPI detector is mounted on a two-axis gimbal comprised of a Modified Apollo Telescope Mount Star Tracker (MAST), which provides experiment pointing over a ±40-deg x ±80-deg range, exclusive of restrictions due to the proximity of other experiments. The pointing stability is one arc minute with respect to the spacecraft coordinate system for an exposure of one second. The tracking capability is 3.5 deg/s with a stability of one arc minute. The detector and pointing system are located on the Spacelab pallet. The experiment is controlled by stored programs resident in the Dedicated Experiment Processor located in the Spacelab module.

Citation Download Citation

William G. Sandie, Stephen B. Mende, Gary R. Swenson, and Michael E. Polites "Atmospheric Emissions Photometric Imaging Experiment (AEPT) For Spacelab 1", Proc. SPIE 0265, Shuttle Pointing of Electro-Optical Experiments, (3 April 1981); https://doi.org/10.1117/12.959871

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KEYWORDS

Sensors

Video

Dielectrophoresis

Auroras

Optical filters

Principal component analysis

Electronics

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