Physics
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.270..249r&link_type=abstract
In ESA, Proceedings of the 8th ESA Symposium on European Rocket and Balloon Programs and Related Research p 249-253 (SEE N88-162
Physics
Auroras, Electrophotometers, Morphology, Photonics, Rocket-Borne Instruments, Time Dependence, Tomography, Airglow, Flight Tests
Scientific paper
A spin-scan auroral imager of extremely high sensitivity is described. The instrument is based on an imaging photon detector, with 20 discrete colinear anodes or photometer channels, each with a field of view 3 deg high and 10 deg wide, oriented parallel to the rocket spin axis. During each spin of the rocket, therefore, the imager sweeps out a 65 deg wide swath in elevation, centered on the equator of the rocket payload. This combination of azimuthal and elevation scan data obtained during each spin, and the vertical and lateral motion of the rocket during its flight, allows a full tomographic inversion of auroral and airglow structures. The data obtained from a rocket flight indicates that a similar instrument, flown in a polar orbit, could image using emissions of 10 R and integration times of 5 sec, considerably enhancing present capabilities.
Rees David
Steen Å.
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