Modeling temporal variability of plasma conditions in the Io torus during the Cassini era

Journal of Geophysical Research: Space Physics

Volumn 109, Issue A10, 2004, Pages

  Delamere, P A ^a   Steffl, A ^a   Bagenal, F ^a  

^a UNIVERSITY OF COLORADO   (United States)

Author keywords

Dust; Io; Modeling; Plasma torus; Variability; Volcanoes

Indexed keywords

EID: 41749120563     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2003JA010354     Document Type: Article

References (26)

1. Bagenal, F., F. J. Crary, A. I. F. Stewart, N. M. Schneider, D. A. Gurnett, W. S. Kurth, L. A. Frank, and W. R. Paterson (1997), Galileo measurements of plasma density in the Io torus, Geophys. Res. Lett., 24, 2119.
2. Barbosa, D. D. (1994), Neutral cloud theory of the Jovian nebula: Anomalous ionization effect of superthermal electrons, Astrophys. J., 430, 376.
3. Brown, M. E., and A. H. Bouchez (1997), The response of Jupiter's magnetosphere to an outburst on Io, Science, 278, 268.
4. Delamere, P. A., and F. Bagenal (2003), Modeling variability of plasma conditions in the Io torus, J. Geophys. Res., WS(A7), 1276, doi:10.1029/2002JA009706.
5. Dere, K. P., E. Landi, H. E. Mason, B. C. M. Fossi, and P. R. Young (1997), CHIANTI-An atomic dataset for emission lines, Astron. Astrophys. Suppl., 125, 149.
6. Esposito, L. W., J. E. Colwell, and W. E. McClintock (1998), Cassini UVIS observations of Saturns rings, Planet. Space Sci., 46, 1221.
7. Esposito, L. W., et al. (2004), The Cassini ultraviolet imaging spectrograph investigation, Space Sci. Rev., in press.
8. Krüger, H., P. Geissler, M. Horányi, A. L. Graps, S. Kcmpf, R. Srama, G. Moragas-Klostermeyer, R. Moissl, T. V. Johnson, and E. Grün (2003), Jovian dust streams: A monitor of Io's volcanic plume activity, Geophys. Res. Lett., 30(21), 2101, doi:10.1029/2003GL017827.
9. Lichtenberg, G., and N. Thomas (2001a), Detection of S (IV) 10.51 μm emission from the Io plasma torus, J. Geophys. Res., 106, 29,899.
10. McClintock, W. E., G. M. Lawrence, R. A. Kohnert, and L. W. Esposito (1993), Optical design of the Ultraviolet Imaging Spectrograph for the Cassini mission to Saturn, Opt. Eng., 32, 3038.
11. McGrath, M. A., P. D. Feldman, D. F. Strobel, H. W. Moos, and G. E. Ballester (1993), Detection of [oii] 2471 from the Io plasma torus, Astrophys. J., 415, 450.
12. Meyer-Vemet, N., M. Moncuquet, and S. Hoang (1995), Temperature inversion in the Io plasma torus, Icarus, 116, 202.
13. Nelder, J. A., and R. Mead (1965), A simplex method for function minimization, Comput. J., 7, 308.
14. Pontius, D. H., R. A. Wolf, T. W. Hill, R. W. Spiro, and Y. S. Yang (1998), Velocity shear impoundment of the Io plasma torus, J. Geophys. Res., 103, 19,935.
15. Russell, C. T., X. Blanco-Cano, Y. L. Wang, and M. G. Kivelson (2003), Ion cyclotron waves at Io: Implications for the temporal variation of Io's atmosphere, Planet. Space Sci., 51, 937.
16. Saur, J., D. R. Strobel, F. M. Neubauer, and M. E. Summers (2003), The ion mass loading rate at Io, Icarus, 163, 456.
17. Schreier, R., A. Eviatar, and V. M. Vasyliunas (1998), A two-dimensional model of plasma transport and chemistry in the Jovian magnetosphere, J. Geophys. Res., 103, 19,901.
18. Shemansky, D. E. (1988), Energy branching in the Io plasma torus: The failure of neutral cloud theory, J. Geophys. Res., 93, 1773.
19. Smyth, W. H., and M. L. Marconi (2003), Nature of the iogenic plasma source in Jupiter's magnetosphere I. Circumplanetary distribution, Icarus, 166, 85.
20. Southwood, D. J., and M. G. Kivelson (1989), Magnetospheric interchange motions, J. Geophys. Res., 94, 299-308.
21. 2 in Io's Pele plume, Science, 288, 1208.
22. Steffl, A., F. Bagenal, and A. I. F. Stewart (2004a), Cassini UVlS observations of the Io plasma torus: II. Radial variations, Icarus, in press.
23. Steffi, A., A. I. F. Stewart, and F. Bagenal (2004b), Cassini UVIS observations of the Io plasma torus: I. Initial results, Icarus, in press.
24. Thomas, N., F. Bagenal, T. W. Hill, and J. K. Wilson (2004), The Io neutral clouds and plasma torus, in Jupiter, Cambridge Univ. Press, New York, in press.
25. Wong, M. C., and W. H. Smyth (2000), Model calculations for Io's atmosphere at eastern and western elongations, Icarus, 146, 60-74.
26. Young, P. R., G. D. Zanna, E. Landi, K. P. Dere, H. E. Mason, and M. Landini (2003), CHIANTI: An atomic database for emission lines, part VI: Proton rates and other improvements, Astrophys. J., 144, 135.