H2O(+) production rates of Comets Austin 1990 V and P/Halley 1986 III

Details H2O(+) production rates of Comets Austin 1990 V and P/Halley 1986 III H2O(+) production rates of Comets Austin 1990 V and P/Halley 1986 III

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993icar..104..185s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 104, no. 2, p. 185-196.

Physics

7

Austin Comet, Halley'S Comet, Molecular Ions, Positive Ions, Water, Doppler Effect, Fabry-Perot Spectrometers, High Resolution, Spectral Resolution

Scientific paper

High-spectral-resolution scans of H2O(+) emissions from Austin 1990 V were obtained. A simple model of the ion distribution in the FOV is used to determine a lower limit phi(H2O+) to the H2O(+) ion flux away from the nucleus for each night of observations. A similar analysis is applied to previous observations of H2O(+) emissions from Comet P/Halley 1986 III. It is found that the mean ratio is phi(H2O+)/Q(H2O) is 1.2 x exp -3 for Halley (solar minimum) and 2.6 x 10 exp -3 for Austin (solar maximum).

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