Cometary H2+ and solar wind He2+ dynamics across the Halley cometopause

S. A. Fuselier, E. G. Shelley, H. Balsiger, J. Geiss, B. E. Goldstein, R. Goldstein, W. ‐H Ip

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

Two Mass/Charge (M/Q) ≈ 2 distributions were observed by the Giotto Ion Mass Spectrometer/High Energy Range Spectrometer (IMS/HERS) during the encounter with comet Halley. The first, present throughout the encounter, is identified as solar wind He2+. The second, detectable only within ∼6 × 105 km of the nucleus, is identified as H2+ (produced primarily by dissociation and ionization of cometary H2O). When these two distributions are separated, distinct differences in their dynamics are apparent, particularly in the density and velocity profiles near the “cometopause”.

原文???core.languages.en_GB???
頁(從 - 到)549-552
頁數4
期刊Geophysical Research Letters
15
發行號6
DOIs
出版狀態已出版 - 6月 1988

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