Dr. Wayne T. Kasprzak
Atmospheric Experiment Laboratory, Code 699 Telephone: (301) 614-6376
Solar System Exploration Division FAX: (301) 614-6406
NASA Goddard Space Flight Center Email: Wayne.T.Kasprzak@nasa.gov
Greenbelt, MD 20771
Biography:
Research area experience: Mass spectrometric measurements of upper atmosphere
structure.
Education:
1963 - B.S. Physics, University of Minnesota; 1965 - M.S. Physics, University of
Minnesota; 1968 - Ph.D. Physics, University of Minnesota.
Professional Experience:
Facility Team Member on Cassini Orbiter INMS Instrument
Co-Investigator on the Cassini/Huygens GCMS Instrument
Program Manager for Pioneer Venus Neutral Mass Spectrometer
Member Contamination Experiment Team for MSX Mission
Co-Investigator on TIMED TWINNIE Experiment
Co-Investigator on Planet-B Neutral Gas Mass Spectrometer
Co-Investigator on the Galileo Probe Mass Spectrometer
Selected Publications:
Kasprzak, W. T., D. Krankowski, and A. O. Nier, A study of day-night
Variations in the neutral composition of the lower thermosphere. J. Geophys. Res., 73,
6765-6782, 1968
Newton, G. P., W. T. Kasprzak, and D. T. Pelz, Equatorial composition in the
137 to 225-km region from the San Marco 3 mass spectrometer. J. Geophys. Res., 79,
1929-1941, 1974.
D. T. Pelz, G. P. Newton, W. T. Kasprzak, T. D. Clem, The San Marco III Neutral
Atmospheric Composition Experiment, NASA Technical Memorandum X-66269,
1973.
H. B. Niemann, R. E. Hartle, A. E. Hedin, W. T. Kasprzak, N. W. Spencer, D. M.
Hunten, and G. R. Carignan, Venus Upper Atmosphere Neutral Gas Composition: First
Observation of the Diurnal Variations, Science, 205, 54-56, 1979.
W. T. Kasprzak, A. E. Hedin, H. B. Niemann, and N. W. Spencer, Atomic Nitrogen in
the Upper Thermosphere of Venus, Geophys. Res. Lett., 7, 108, 1980.
H. B. Niemann, W. T. Kasprzak, A. E. Hedin, D. M. Hunten, and N. W. Spencer, Mass
Spectrometric Measurements of the Neutral Gas Composition of the Thermosphere and
Exosphere of Venus, J. Geophys. Res., 85, 7817-7827, 1980.
H. B. Niemann, J. R. Booth, J. E. Cooley, R. E. Hartle, W. T. Kasprzak, N. W. Spencer,
S. H. Way, D. M. Hunten, and G. R. Carignan, Pioneer Venus Orbiter Neutral Gas
Mass Spectrometer Experiment, IEEE Transactions on Geoscience Electronics and
Remote Sensing, GE18, 6O-65, 1980.
A. E. Hedin, H. B. Niemann, W. T. Kasprzak, and A. Seiff, Global Empirical Model of the Venus Thermosphere, J. Geophys. Res., 88, 73-83, 1983.
H. B. Niemann, and W. T. Kasprzak, Comparative Neutral Composition Instrumentation and New Results, Adv. Sp. Res., 2, 261-270, 1983.
W. T. Kasprzak, H. A. Taylor, Jr., L. H. Brace, and H. B. Niemann, Observations of
Energetic Ions Near the Venus Ionopause, Planet Sp. Sci., 30, 1107-1115, 1982.
W. T. Kasprzak, H. B. Niemann, and P. Mahaffy, Observations of Energetic Ions on the
Nightside of Venus, J. Geophys. Res., 92, 291-298, 1987.
L. H. Brace, W. T. Kasprzak, H. A. Taylor, R. F. Theis, C. T. Russell, A. Barnes, J. O. Mahilov, and D. M. Hunten, The Ionotail of Venus: Its Configuration and Evidence for Ion Escape, J. Geophys. Res., 92, 15-26, 1987.
W. T. Kasprzak, A. E. Hedin, H. G. Mayr, and H. B. Niemann,Wavelike Perturbations
in the Neutral Thermosphere of Venus, J. Geophys. Res., 93, 11237-11245, 1988.
W. T. Kasprzak, and H. B. Niemann, “Fast O+ Ion Flow Observed Around Venus at Low Altitudes”, NASA Technical Memorandum, 100717, 1988.
K. K. Mahajan, W. T. Kasprzak, L. H. Brace, H. B. Niemann, and W. R. Hoegy,
Response of Venus Exospheric Temperature Measured by Neutral Mass Spectrometer
to Solar EUV Flux Measured by Langmuir Probe on the Pioneer Venus Orbiter, J.
Geophys. Res., 95, 1091-1095, 1990.
W. R. Hoegy, L. H. Brace, W. T. Kasprzak, and C. T. Russell, Small Scale Plasma,
Magnetic, and Neutral Density Fluctuations in the Nightside Venus Ionosphere, J.
Geophys. Res., 95, 4085-4102, 1990.
W. T. Kasprzak, “The Pioneer Venus Orbiter: 11 Years of Data”, NASA Technical Memorandum, 100761, 1990.
W. T. Kasprzak, J. M. Grebowsky, H. B. Niemann, and L.H. Brace, Superthermal
>36eV Ions Observed in the Near Tail Region of Venus by the Pioneer Venus Neutral
Mass Spectrometer, J. Geophys. Res., 96, 11175-11181, 1991.
W. T. Kasprzak and H. B. Niemann, Evidence for Enhanced Dynamic Flow in
Ionospheric Holes from the Pioneer Venus Orbiter Neutral Mass Spectrometer,
Planet. Sp. Sci, 40, 33-45, 1992.
J. M. Grebowsky, W. T. Kasprzak, and R. E. Hartle, Superthermal Ions Detected in
Venus' Dayside Ionosheath, Ionopause, and Magnetic Barrier Regions, J. Geophys.
Res., 98, 9055-9064, 1993.
W. T. Kasprzak, H. B. Niemann, A. E. Hedin, S. W. Bougher and D. M. Hunten, Neutral
Composition Measurements by the Pioneer Venus Neutral Mass Spectrometer During
Orbiter Re-Entry, Geophys. Res. Lett., 20, 2747-2750, 1993.
W. T. Kasprzak, H. B. Niemann, A. E. Hedin, and S. W. Bougher, Wave-Like
Perturbations observed at Low Altitudes by the Pioneer Venus Orbiter Neutral Mass
Spectrometer During Orbiter Entry, Geophys. Res. Lett., 20, 2755-2758, 1993.
J. Kar, R. E. Hartle, J. M. Grebowsky, W. T. Kasprzak, T. M. Donahue, and P. M.
Cloutier, Evidence for Enhanced Impact Ionization on the Nightside of Venus from
Pioneer Venus from Pioneer Orbiter Ion Mass Spectrometer Measurements Near Solar
Minimum, J. Geophys. Res.,99, 11351-11355, 1994.
D. S. Intriligator, L. H. Brace, P. A. Cloutier, J. M. Grebowsky, R. E. Hartle, W. T.
Kasprzak, W. R. Knudsen, and R. J. Strangeway, Evidence for Ion Transport and
Molecular Ion Dominance in the Venus Ionotail,, J. Geophys. Res., 99, 17413-17420,
1994.
J. M. Grebowsky, W. T. Kasprzak, R. E. Hartle, and T. M. Donahue, A New Look at the
Venus' Thermosphere H Distribution, Adv. Sp. Res., 17, (11) 191 - (11) 195, 1995.
J. G. Luhmann, W. T. Kasprzak, and J. M. Grebowsky, On Removing Molecular Ions
from Venus (and by implication), Mars, J. Geophys. Res., 100, 14515-14521, 1995.
J. P. Mahilov, C. T. Russell, W. T. Kasprzak, and W. C. Knudsen, Observations of
Ionspheric Escape on Venus’ Nightside, J. Geophys. Res., 100, 19579-19584, 1995.
H.B. Niemann, G.R. Carignan, T.M. Donahue, J.A. Haberman, D.N. Harpold, R.E.
Hartle, D.M. Hunten, W.T. Kasprzak, P.R. Mahaffy, T.C. Owen, N.W. Spencer, and
S.H. Way, The Galileo Probe Mass Spectrometer: Composition of Jupiter’s
Atmosphere, Science, 272, 846-849, 1996.
W.T. Kasprzak, H. Niemann, D. Harpold, J. Richards, H. Manning, E. Patrick, P.
Mahaffy, Cassini Orbiter Ion Neutral Mass Spectrometer Instrument”, Proc. Soc.
Photo-Optical Instrumentation Engineers (SPIE), 2803, 129-140, 1996.
W.T. Kasprzak, G.M. Keating, N.C. Hsu, A.I.F. Stewart, and S.W. Bougher, “Solar
Activity Behavior of the Thermosphere”, Venus 2, University of Arizona Press, Tucson
1997.
H. B. Niemann, D. N. Harpold, S. Feng, W. T. Kasprzak, S. H. Way, S. K. Atreya, B.
Block, G. R. Carignan, T. M. Donahue, A. F. Nagy, S. W. Bougher, D. M. Hunten, T.
C. Owen, S. J. Bauer, H. J. Hayakawa, T. Mukai, Y. N. Miura, and N. Sugiura, The
Planet-B neutral gas mass spectrometer, Earth Planets Space, 50, 785–792, 1998.
J. H. Waite, Jr., W. S. Lewis, W. T. Kasprzak, V. G. Anicich, B. P. Block, T. E.
Cravens, G. G. Fletcher, W.-H. Ip, J. G. Luhmann, R. L. Mc Nutt, H. B. Niemann, J.
K. Parejko, J. E. Richards, R. L. Thorpe, E. M. Walter and R. V. Yelle, The Cassini Ion
and Neutral Gas Mass Spectrometer (INMS) Investigation, Sp. Sci. Rev., 114, 113-
231, 2004.
J. H. Waite, T.E. Cravens, W-H. Ip, W.T. Kasprzak, J.G. Luhmann, R.L. Mc Nutt, H.B.
Niemann, R.V. Yelle, I. Mueller-Wodarg, S.A. Ledvina, and S. Scherer, Oxygen Ions
Observed Near Saturn’s A Ring, Science, 307, 1260-1262, 2005.
J. H. Waite, H.B. Niemann, R.V. Yelle, W.T. Kasprzak, T.E. Cravens, J.G. Luhmann,
R.L.McNutt, W.-H. Ip, D. Gell, V. De La Haye, I. Mueller-Wodarg, B. Magee, N.
Borggren, S.A. Ledvina, G., Ion Neutral Mass Spectrometer Results from the First
Flyby of Titan Science, 308, 982-985, 2005.
H. Niemann, S.K. Atreya, S.J. Bauer, G.R. Carignan, Je.E.Demick, R.L. Frost, D.
Gautier, J.A. Haberman, D.N. Harpold, D.M. Hunten, G. Israel, J.I. Levine, W.T.
Kasprzak, T.C. Owens, M. Paulkovich, F. Rauin, E. Raaen, and S. Way, The
Abundances of Constituents of Titan’s Atmosphere from the GCMS instrument on the
Huygens probe, Nature, 438, 779-784, 2005.
T. E. Cravens, I. P. Robertson, J. H. Waite Jr., R. V. Yelle, W. T. Kasprzak, C. N.
Keller, S. A. Ledvina, H. B. Niemann, J. G. Luhmann, R. L. McNutt, W.-H. Ip, V. De
La Haye, I. Mueller-Wodarg, J.-E. Wahlund, V. A. Anicich, V. Vuitton, Composition
of Titans Ionosphere, GRL, 33, L07105, doi:10.1029/2005GL025575, 2006.
R. V. Yelle, N. Borggren, V. de la Haye, W. T. Kasprzak, H. B. Niemann, I. Muller-
Wodarg, and J. H. Waite, Jr., The Vertical Structure of Titan’s Upper Atmosphere from
Cassini Ion Neutral Mass Spectrometer Measurements, ICARUS, 182, 567-576, 2006.
J. Hunter Waite, Jr., Michael Combi, Wing-Huen Ip, Thomas E. Cravens, Ralph L.
McNutt, Jr., Wayne Kasprzak, Roger Yelle, Janet Luhmann, Hasso Niemann,
David Gell, Brian Magee, Greg Fletcher, Jonathan Lunine, Wei-Ling Tseng, The
atmospheric plume of Enceladus as observed by the Cassini Ion Neutral Mass
Spectrometer, Science, 311, 1419-1422, 2006.
T. E. Cravens, I. P. Robertson, J. H. Waite Jr., R. V. Yelle, W. T. Kasprzak, C. N.
Keller, S. A. Ledvina, H. B. Niemann, J. G. Luhmann, R. L. McNutt, W.-H. Ip, V. De
La Haye, I. Mueller-Wodarg, J.-E. Wahlund, V. A. Anicich, V. Vuitton, Composition
of Titan’s Ionosphere, GRL, 33, L07105, doi:10.1029/2005GL025575, 2006.
J.G. Luhmann, W.T. Kasprzak, and C.T. Russell, Space Weather at Venus and it
Potential Consequences for Atmosphere Evolution, J. Geophys. Res., 112, E04S10,
doi:10.1029/2006JE002820, 2007
Fox, J. L., and W. T. Kasprzak, Near-terminator Venus ionosphere: Evidence for
a dawn/dusk asymmetry in the thermosphere, J. Geophys. Res., 112, E09008,
doi:10.1029/2007JE002899, 2007.
Calibration of Particle Instruments in Space Science, SR-007, ed. M.
Wuest, D. Evans, and R. von Steiger, published for International Space Science
Institute, Bern, Switzerland by ESA Publications Division, Keplerlaan 1, 2200 AG
Noordwijk, The Netherlands. Kasprzak co-author on Chapter 2 (Review of
Instruments), 3 (Calibration Techniques), 4 (In-Flight Instrument Calibration and
Performance Verification), A-4 (Calibration Facilities), September 2007.
