Programs in Planetary Atmospheres

Publications

• Europa's Atmosphere, Gas Tori and Magnetospheric Implications, Smyth, W.H. and M.L. Marconi, Icarus, 181, 510-526, 2006.
• Nature of the Iogenic Plasma Source in Jupiter's Magnetosphere II. Near-Io Distribution, W.H. Smyth and M.L. Marconi, Icarus, 176, 138-154, 2005.
• Gas Dynamics and Kinetics in Cometary Coma: Theory and Observations, M.R. Combi, W.M. Harris, and W.H. Smyth, Comets II, (Eds.: M. Festou, H.Uwe Keller and H.A. Weaver), Chapter 29, pp 523-552, Univ. Arizona Press, 2005
• The Impact of Electron Chemistry on the Structure and Composition of Io's Atmosphere, W.H. Smyth and M.C. Wong, Icarus, 171, 171-182, 2004.
• Nature of the Iogenic Plasma Source in Jupiter's Magnetosphere I. Circumplanetary Distribution, W.H. Smyth and M.L. Marconi, Icarus 166, 85-106, 2003.
• Sunlit Io's Atmospheric [O I] 6300 Å Emission and the Plasma Torus, R.J. Oliversen, F. Scherb, W.H. Smyth, M.E. Freed, R.C. Woodward, M.L. Marconi, K.D. Retherford, O.L. Lupie, and J.P. Morganthaler, J. Geophys. Res. 106, 26,183-26193, 2001.
• Emission Profiles of Neutral Oxygen and Sulfur in Io's Exospheric Corona, B.C. Wolven, H.W. Moos, K.D. Retherford, P.D. Feldman, D.F. Strobel, W.H. Smyth, and F.L. Roesler, J. Geophys. Res. 106, 26,155-26,182, 2001.
• Morphology and Time Variability of Io's Visible Aurora, P.E. Geissler, W.H. Smyth, A.S. McEwen, W. Ip, M.J.S. Belton, T.V. Johnson, A.P. Ingersoll, K. Rages, W. Hubbard and A. Dessler, J. Geophys. Res. 106, 26,137-26,146, 2001.
• Large Aperture [O I] 6300 Å Photometry of Comet Hale-Bopp: Implications for the Photochemistry of OH, J.P. Morgenthaler, W.M Harris, F. Scherb C.M. Anderson, R.J. Oliversen, N.E. Doane, M.R. Combi, M.L. Marconi, and W.H. Smyth, Ap. J., 563, 451-461, 2001.
• Io's Oxygen Source: Determination from Ground-based Observations and Implications for the Plasma Torus, W.H. Smyth and M.L. Marconi, J. Geophys. Res., 105, 7783-7792, 2000.
• Model Comparison of Io's Atmosphere at Eastern and Western Elongation, M.C. Wong and W.H. Smyth, Icarus, 146, 60-74, 2000.
• Far-Ultraviolet Imaging Spectroscopy of Io's Atmosphere with HST/STIS, F.L. Roesler, H.W. Moos, R.J. Oliversen, R.C. Woodward, K.D. Retherford, F. Scherb, M.A. McGrath, W.H. Smyth, P.D. Feldman, and D.F. Strobel, Science, 283, 353-357, 1999
• Galileo Imaging of Atmospheric Emissions from Io, P.E. Geissler, A.S. McEwen, W. Ip, M.J.S. Belton, T.V. Johnson, W.H. Smyth, and A.P. Ingersoll, Science 285, 870-874, 1999.
• Energy Loss Rate of Neutral from Io and the Implications for Local Magnetospheric Interactions, W.H. Smyth, J. Geophys. Res., 103, 11941-11950, 1998.
• An Explanation for the East-West Asymmetry of the Io Plasma Torus, W.H. Smyth and M.L. Marconi, J. Geophys. Res.,103, 9091-9100, 1998.
• An Initial Look at the Iogenic SO₂⁺ Source During the Galileo Flyby of Io, W.H. Smyth and M.L. Marconi, J. Geophys. Res., 103, 9083-9089, 1998.
• Velocity Shear Impoundment of the Io Plasma Torus, D.H. Pontius, R.A. Wolf, T.W. Hill, R.W. Spiro, Y.S. Yang, and W.H. Smyth, J. Geophys. Res., 103, 19935-19946, 1998.
• Hubble Space Telescope UV Imaging and High Resolution Spectroscopy of Water Photodissociation Products in Comet Hyakutake (1996), M.R. Combi, M.E. Brown, P.D. Feldman, H.U. Keller. R.R. Meier and W.H. Smyth, Ap.J., 494, 816-821, 1998.
• Io's Sodium Exosphere and spatially Extended Cloud: A Consistent Flux Speed Distribution, W.H. Smyth and M.R. Combi, Icarus 126, 58-77, 1997.
• Io's Interaction with the Jovian Magnetosphere, C.T. Russell, F. Bagenal, A.F. Cheng, W.-H. Ip, A. Roux, W.H. Smyth, S.J. Bolton, and C.A. Polanskey, EOS 78 No. 9, 93, 100, 1997.
• Hybrid Fluid/Kinetic-Theory Approach to Modeling Atmospheres: The Case of an Intermediate Mass Body, M.L. Marconi, L. Dagum, and W.H. Smyth, The Astrophysical Journal 469, 393-401, 1996.
• Observations and Analysis of O(^lD) and NH₂ Line Profiles for the Coma of Comet P/Halley, W.H. Smyth, M.R. Combi, F.L. Roesler and F. Scherb, The Astrophysical Journal 440, 349-360, 1995.
• Analysis of Hydrogen Lyman-α Observations of the Coma of Comet P/Halley Near Perihelion, W.H. Smyth, M.L. Marconi and M.R. Combi, Icarus 113, 119-128, 1995.
• Theoretical Overview and Modeling of the Sodium and Potassium Atmospheres of Mercury, W.H. Smyth and M.L. Marconi, The Astrophysical Journal 441, 839-864, 1995.
• Theoretical Overview and Modeling of the Sodium and Potassium Atmospheres of the Moon, W.H. Smyth and M.L. Marconi, The Astrophysical Journal 443, 371-392, 1995.
• The Nature of the Hydrogen Tori of Titan and Triton, W.H. Smyth and M.L. Marconi, Icarus 101, 18-32, 1993.
• The OH Distribution in Cometary Atmospheres: A Collisional Monte Carlo Model for Heavy Species, M.R. Combi, B.J. Bos, and W.H. Smyth, Ap.J. 408, 668-677, 1993.
• Analysis of Hydrogen Hα Observations of the Coma of Comet P/Halley, W.H. Smyth, M.L. Marconi, F. Scherb, and F.L. Roesler, Ap.J. 413, 756-763, 1993. Variability of [OI] 6300 Emission Near Io, F. Scherb and W.H. Smyth, J. Geophys. Res. 98, 18729-18736, 1993.