Auroral kilometric radiation/aurora correlation

Details Auroral kilometric radiation/aurora correlation Auroral kilometric radiation/aurora correlation

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984rasc...19..527b&link_type=abstract

Radio Science (ISSN 0048-6604), vol. 19, Mar.-Apr. 1984, p. 527-541.

Computer Science

Sound

6

Auroral Arcs, Auroral Irradiation, Magnetic Fields, Electron Density Profiles, Isis Satellites, Satellite Sounding

Scientific paper

Auroral kilometric radiation (AKR) observations from the ISIS 1 topside sounder receiver were compared with visual auroral observations from the network of Alaskan all-sky camera stations. The goal was to relate AKR source region encounters to specific auroral forms on the same magnetic field line. Thirty-eight simultaneous data sets were identified and analyzed. In general, intense AKR was associated with bright auroral arcs and conditions of weak or no AKR corresponded to times when either no aurora or only a faint arc or weak diffuse aurora were observed. Five cases, when both intense AKR and bright visual aurora were present, were analyzed in detail. Complete electron density N sub e contours, from the satellite altitude down to the F region ionization peak, were obtained along N-S traversals of the AKR source region. In addition, the ISIS 1 orbital tracks were projected down the magnetic field lines to the auroral altitude and compared to auroral features on a map derived from the all sky camera images. Density cavities (regions where N sub e 100/cu cm) were encountered on each of these passes. Previously announced in STAR as N83-27516

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