Physics
Scientific paper
Apr 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987georl..14..391j&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 14, April 1987, p. 391-394.
Physics
14
Auroras, Satellite Imagery, Satellite-Borne Instruments, Scientific Satellites, Spaceborne Photography, Ultraviolet Photography, Comparison, Swedish Space Program
Scientific paper
Simultaneous observations of a strong auroral display by the Viking ultraviolet imager and a meridian scanning photometer of the Canopus array have been obtained. These show good overall agreement between the latitude profiles inferred from the data of the two instruments and provide evidence that the images are correctly located in geographic coordinates. The relation between imager signal for vertical viewing and the 4278 A N2(+) band brightness, as observed from the ground, has been determined. A modeling study shows that this relation is sensitive to incident electron energy and could vary by a factor of about five for electron energies between 2 and 10 keV. The modeling, combined with provisional absolute wavelength sensitivity curves for the imager, leads to values in the same range as that from the ground comparison.
Creutzberg F.
Gattinger Richard L.
Jones Vallance A.
King Andrew R.
Prikryl Paul
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