Abstract
A modification of the analytic approach to planetary exospheres of Chamberlain (1963, Planet. Space Sci. 11, 901) is presented, intended for use in the analysis of geocoronal observations. The extent of the satellite hydrogen atom population is delineated with a spherical exopause, and the kinetic distribution function (KDF) is parameterized in terms of an effective exobase density n s and temperature T s having values distinct from ballistic values and expected to reflect the effects of charge exchange collisions in the topside ionosphere and plasmasphere : n s > n c and T s < T c. Application to averaged atomic hydrogen density distributions generated by Monte Carlo simulation (Tinsley et al., 1986, J. geophys. Res. 91,13,631) is made to illustrate the meaning of the satellite KDF parameters. The empirical modefderived from DE-1 Ly- α measurements by Rairden et al. (1986, J. geophys. Res. 91, 13,613) is also discussed.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
