Fundamental Technologies

Interplanetary Monitoring Platform:
Charged Particle Measurement Experiment

IMP Publications (continued)

1980-1989

  • Burlaga, L., R. Lepping, R. Weber, T. Armstrong, C. Goodrich, J. Sullivan, D. Gurnett, P. Kellogg, E. Keppler, F. Mariani, F. Neubauer, and R. Schwenn, Interplanetary Particles and Fields, November 22-December 6, 1977: Helios, Voyager, and IMP Observations between 0.6 and 1.6 AU, J. Geophys. Res., 85, 2227-2242, 1980.
  • Nonnast, J. H., T. P. Armstrong, and J. W. Kohl, A Study of Solar Flare Soft X-Rays and Their Relation to Particle Events Observed with IMP-8, J. Geophys. Res., 87, 4327-4337, 1982.
  • Pesses, M. E., R. B. Decker, and T. P. Armstrong, The Acceleration of Charged Particles in Interplanetary Shock Waves, Space Science Rev., 32, 185-204, 1982.
  • Kutchko, F. J., P. R. Briggs, and T. P. Armstrong, The Bidirectional Particle Events of October 12, 1977 Possibly Associated with a Magnetic Loop, J. Geophys. Res., 87, 1419-1431, 1982.
  • Laird, C. M., E. J. Zeller, T. P. Armstrong, and B. C. Parker, Solar Activity and Nitrate Deposition in South Pole Snow, Geophys. Res. Lett., 9, 1195-1198, 1982.
  • Lui, A. T. Y., S. M. Krimigis, and T. P. Armstrong, Association Between Magnetic Field Fluctuations and Energetic Particle Bursts in the Earth's Magnetotail, J. Geophys. Res., 87, 8315-8320, 1982.
  • Briggs, P. R., and T. P. Armstrong, Observations of Interplanetary Energetic Ion Enhancements Near Magnetic Sector Boundaries, Geophys. Res. Lett., 11, 27-30, 1984.
  • Shields, J. E., T. P. Armstrong, S. Eckes, and P. R. Briggs, Solar and Interplanetary Ions at 2 to 4 MeV/nucleon during Solar Cycle 21: Systematic Variations of H/He and He/CNO Ratios and Intensities, J. Geophys. Res., 90, 9439-9453, 1985.
  • Tholen, S. M., T. P. Armstrong, and L. J. Lanzerotti, Correlation of Geomagnetic Storm Sudden Commencement with Triggered Magnetospheric Particle Bursts, J. Geophys. Res., 91, 13717-13722, 1986.
  • Kutchko, F. W., T. P. Armstrong, and Bernard Yu, Numerical Modelling of Proton and Electron Bursts in a Realistic Magnetotail, J. Geophys. Res., 92, 3234-3242, 1987.
  • Armstrong, T. P., C. M. Laird, D. Venkatesan, S. Krishnaswamy, and T. J. Rosenberg, Interplanetary Energetic Ions and Polar Radio Wave Absorption, J. Geophys. Res., 94, 3543-3554, 1988.

1970-1979

  • Armstrong, T. P., S. M. Krimigis, D. V. Reames, and C. E. Fichtel, A Comparison of Measurements of the Charge Spectrum of Solar Cosmic Rays from Nuclear Emulsions and the Explorer 35 Solid State Detector, J. Geophys. Res., 77, 3607-3612, 1972.
  • Krimigis, S. M., J. W. Kohl, and T. P. Armstrong, The Magnetospheric Contribution to the Quiet Time Low Energy Nucleon Spectrum in the Vicinity of Earth, Geophys. Res. Lett., 2, 457-460, 1975.
  • Armstrong, T. P., S. M. Krimigis, D. Hovestadt, B. Klecker and G. Gloeckler, Observations of Temporal and Spatial Variations in the Fe/O Charge Compositions of the Solar Particle Event of July 4, 1974, Solar Phys., 49, 395-407, 1976.
  • Sarris, E. T., S. M. Krimigis, T. Iijima, C. O. Bostrom and T. P. Armstrong, Location of the Source of Magnetospheric Energetic Particle Bursts by Multispacecraft Observations, Geophys. Res. Lett., 3, 437-440, 1976.
  • Sarris, E. T., S. M. Krimigis and T. P. Armstrong, Observations of a High Energy Shock Spike in Interplanetary Space, Geophys. Res. Lett., 3, 133-136, 1976.
  • Armstrong, T. P., and S. M. Krimigis, Interplanetary Acceleration of Relativistic Electrons Observed with IMP-7, J. Geophys. Res., 81, 677-682, 1976.
  • Sarris, E. T., S. M. Krimigis and T. P. Armstrong, Observations of Magnetospheric Bursts of High Energy Protons and Electrons at 35 Re with IMP-7, J. Geophys. Res., 81, 2341-2355, 1976.
  • Kirsch, E., S. M. Krimigis, E. T. Sarris, R. P. Lepping and T. P. Armstrong, Possible Evidence for Large, Transient Electric Fields in the Magnetotail from Oppositely Directed Anisotropies of Energetic Protons and Electrons, Geophys. Res. Lett., 4, 137-140, 1977.
  • Sarris, E. T., S. M. Krimigis, C. O. Bostrom and T. P. Armstrong, Simultaneous Multispacecraft Observations of Energetic Proton and Electron Bursts Inside and Outside the Magnetosphere, J. Geophys. Res., 83, 4289-4305, 1978.
  • Armstrong, T. P., S. M. Krimigis and R. P. Lepping, Magnetosheath Bursts of Predominantly Medium Nuclei Observed with IMP-8 on February 16, 1974, J. Geophys. Res., 83, 5198-5206, 1978.
  • Zwickl, R. D., E. C. Roelof, R. E. Gold, S. M. Krimigis and T. P. Armstrong, Z-rich Solar Particle Event Characteristics 1972-1976, Astrophys. J., 225, 281-303, 1978.
  • Briggs, P. R., T. P. Armstrong and S. M. Krimigis, Hydrogen over Helium Enhancement in Successive Solar Flare Particle Events from the Same Active Region, Astrophys. J. Lett., 228, L83, 1979.
  • Decker, R. B. and T. P. Armstrong, A Study of Solar Electron Events from October 1972 through December 1974 from IMPs 7 and 8, J. Geophys. Res., 84, 7334-7347, 1979.

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T. P. Armstrong, armstrong@ftecs.com

Updated May 11, 2006, T. Hunt-Ward