Auroral and photoelectron fluxes in cometary ionospheres

Ashihara, 1978, Photoelectron fluxes in cometary atmospheres, Icarus, 35, 369, 10.1016/0019-1035(78)90089-1 Balsiger, 1986, Ion composition and dynamics at comet Halley, Nature, 321, 330, 10.1038/321330a0 Bame, 1986, Comet Giacobini-Zinner: Plasma description, Science, 232, 356, 10.1126/science.232.4748.356 Banna, 1986, The photoelectron spectrum of water in the 30 to 140 eV photon energy range, J. Chem. Phys., 84, 4739, 10.1063/1.450008 Combes, 1986, The 2.5 to 5 microns spectrum of comet Halley from the IKS instrument of VEGA, Adv. Space Res., 5, 127, 10.1016/0273-1177(85)90076-6 Cravens, 1978, Airglow from the inner comas of comets, Icarus, 33, 612, 10.1016/0019-1035(78)90193-8 Cravens, 1987, Electron impact ionization in the vicinity of comets, J. Geophys. Res., 92, 7341, 10.1029/JA092iA07p07341 Eberhardt, 1986, On the CO and N2 abundance in comet Halley, Vol. 1, 383 Festou, 1986, IUE observations of comet Halley during the Vega and Giotto encounters, Nature, 321, 361, 10.1038/321363a0 Fox, 1979, Ionization, luminosity, and heating of the upper atmosphere of Mars, J. Geophys. Res., 84, 7315, 10.1029/JA084iA12p07315 Gardner, 1975, Photoion and photoelectron spectroscopy of CO and N2, J. Chem. Phys., 62, 1447, 10.1063/1.430603 Gombosi, 1986, Dust and neutral gas modelling of the inner atmospheres of comets, Rev. Geophys., 24, 667, 10.1029/RG024i003p00667 Green, 1985, Field and concentration microplumes for electron impact on water, Radiat. Res., 104, 1, 10.2307/3576773 Green, 1977, Analytical yield spectra for electrons on H2, Int. J. Quantum Chem. Symp., 11, 97 Green, 1977, Electron impact on atmospheric gases. 2. Yield spectra, J. Geophys. Res., 82, 5104, 10.1029/JA082i032p05104 Green, 1966, A generalised Chapman function, 140 Green, 1979, Microplume model of spatial yield spectra, Geophys. Res. Lett., 6, 625, 10.1029/GL006i007p00625 Gringauz, 1986, First in situ plasma and neutral gas measurements at comet Halley, Nature, 321, 282, 10.1038/321282a0 Gustaffson, 1978, Partial photoionization cross-sections of CO2 between 20 and 40 eV studied with synchrotron radiation, Phys. Rev. A, 17, 175, 10.1103/PhysRevA.17.175 Haddad, 1986, Total absorption and photoionization cross-sections of water vapour between 100 and 1000 Å, J. Chem. Phys., 84, 6623, 10.1063/1.450715 Haider, 1986, Photoelectron excitation of H2 due to solar EUV interaction in the Jovian atmosphere, Indian J. Radio Space Phys., 15, 6 Haider, 1983, Analytical yield spectrum approach to electron energy degradation in earth's atmosphere, J. Geophys. Res., 88, 7185, 10.1029/JA088iA09p07185 Ip, 1979, Currents in the cometary atmosphere, Planet. Space Sci., 27, 121, 10.1016/0032-0633(79)90041-2 Ip, 1986, A preliminary consideration of the electron impact ionization effect in cometary comas, Adv. Space Res., 5, 47, 10.1016/0273-1177(85)90066-3 Ip, 1982, Theories of physical processes in the cometary comae and ion tails, 588 Ip, 1987, The formation of a magnetic field free cavity of comet Halley, Nature, 325, 418, 10.1038/325418a0 Ip, 1976, Structure of cometary ionospheres. 1. H2O dominated comets, Icarus, 28, 389, 10.1016/0019-1035(76)90152-4 Jackman, 1977, Electron impact on atmospheric gases. 1. updated cross-section, J. Geophys. Res., 82, 5081, 10.1029/JA082i032p05081 Jackman, 1979, Electron impact on atmospheric gases. 3. Spatial yield spectra for N2, J. Geophys. Res., 84, 2715, 10.1029/JA084iA06p02715 Krankowsky, 1986, In situ gas and ion measurements at comet Halley, Nature, 321, 326, 10.1038/321326a0 Korosmezey, 1987, A new model of cometary ionospheres, J. Geophys. Res., 92, 7331, 10.1029/JA092iA07p07331 Krasnopolsky, 1986, Spectroscopic study of comet Halley by the Vega-2 three-channel spectrometer, Nature, 321, 269, 10.1038/321269a0 Mantas, 1979, Photoelectron fluxes in the Martian atmosphere, J. Geophys. Res., 84, 369, 10.1029/JA084iA02p00369 Marconi, 1986, The electron density and temperature in the tail of comet Giacobini-Zinner, Geophys. Res. Lett., 13, 405, 10.1029/GL013i004p00405 McCormick, 1976, On the energy deposition of photoelectrons in the atmosphere of Venus, J. Geophys. Res., 81, 5196, 10.1029/JA081i028p05196 Mendis, 1987, A cometary aurora, Earth Moon Planets, 39, 17, 10.1007/BF00054431 Mendis, 1988, A postencounter view of comets, Annu. Rev. Astron. Astrophys., 26, 11, 10.1146/annurev.aa.26.090188.000303 Mendis, 1985, The physics of comets, Fundam. Cosmic Phys., 10, 1 Mendis, 1977, The ionospheres and plasma tails of comets, Space Sci. Rev., 20, 145, 10.1007/BF02186863 Nagy, 1970, Photoelectron fluxes in the ionospheres, J. Geophys. Res., 75, 6260, 10.1029/JA075i031p06260 Neubauer, 1986, First result from the Giotto magnetometer experiment at Comet Halley, Nature (London), 321, 352, 10.1038/321352a0 Samson, 1973, Fluorescence excitation and photoelectron spectra of CO2 induced by vacuum ultraviolet radiation between 185 and 716 Å, J. Geophys. Res., 78, 3663, 10.1029/JA078i019p03663 Seng, 1976, Vibrational excitation of polar molecules by electron impact. II. Direct resonant excitation in H2O, J. Phys. B, 9, 2539, 10.1088/0022-3700/9/14/021 Singhal, 1980, Spatial aspects of low and medium energy electron degradation in N2, J. Geophys. Res., 85, 1246, 10.1029/JA085iA03p01246 Singhal, 1981, Spatial aspects of electron energy degradation in atomic oxygen, J. Geophys. Res., 86, 4776, 10.1029/JA086iA06p04776 Singhal, 1982, Optical emissions on the nightside ionosphere of Venus, Indian J. Radio Space Phys., 11, 15 Singhal, 1984, Analytical yield spectrum approach to photoelectron fluxes in the Earth's atmosphere, J. Geophys. Res., 89, 6847, 10.1029/JA089iA08p06847 Slavin, 1986, Giacobini-Zinner magnetotail: ICE magnetic field observations, Geophys. Res. Lett., 13, 283, 10.1029/GL013i003p00283 Smith, 1986, International cometary explorer encounter with Giacobini-Zinner: Magnetic field observations, Science, 232, 382, 10.1126/science.232.4748.382 Strolarski, 1972, Photoionization and photoabsorption cross-sections for ionospheric calculations, J. Atmos. Terr. Phys., 34, 1691, 10.1016/0021-9169(72)90029-3 Torr, 1979, Chemistry of the thermosphere and ionosphere, J. Atmos. Terr. Phys., 41, 797, 10.1016/0021-9169(79)90126-0 Torr, 1985, Ionization frequencies for solar cycle 21: Revised, J. Geophys. Res., 90, 6675, 10.1029/JA090iA07p06675 Weaver, 1981, Water production models for comet Bradfield (1979x), Astrophys. J., 251, 809, 10.1086/159525 Woods, 1986, Rocket ultraviolet spectroscopy of comet Halley and abundance of carbon monoxide and carbon, Nature, 324, 436, 10.1038/324436a0 Zwickl, 1986, Three component plasma electron distribution in the intermediate ionized coma of comet Giacobini-Zinner, Geophys. Res. Lett., 13, 401, 10.1029/GL013i004p00401