Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263...35a&link_type=abstract
In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 35-38
Astronomy and Astrophysics
Astrophysics
3
Giacobini-Zinner Comet, International Sun Earth Explorer 3, Iue, Ultraviolet Spectroscopy, Abundance, Astronomical Spectroscopy, Electron Density Profiles, Water
Scientific paper
IUE spectrophotometry of Comet P/Giacobini-Zinner was aquired in support of the ICE mission. The abundances (or upper limits) of UV-active species were calculated. During the ICE encounter the H2O production rate was 3×1028sec-1±50%, consistent with values derived from the ICE experiments. Comparison of the abundance of CO2+ ions with the total electron density measured by the plasma electron experiment on ICE indicates a deficiency of ions relative to electrons indicating a population of ions not detected by remote sensing. The absence of detectable Mg+ rules out this species as a possible ion of M/Q = 24 detected by the Ion Composition Instrument, part of the ICE complement of instruments.
A'Hearn Michael F.
Brandt Jack C.
B{ö}hnhardt Hermann
Feldman Paul D.
Festou Michel
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