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On the carbon and nitrogen isotope abundance ratios in comet Halley

โœ Scribed by S. Wyckoff; E. Lindholm

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
377 KB
Volume
9
Category
Article
ISSN
0273-1177

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A comparative study of ionization rates due to (i) solar EUV radiation, (ii) photoelectrons, and (iii) auroral electrons, is carried out on the ionosphere of Comet Halley for various ionic species. It is found that, in the vicinity of the ionization peak, the photoelectron impact ionization rate is