Search Results - "Funsten, Ho"

Carbon foils for space plasma instrumentation by Allegrini, F., Ebert, R. W., Funsten, H. O.

“…Carbon foils have been successfully used for several decades in space plasma instruments to detect ions and neutral atoms. These instruments take advantage of…”
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Electron Acceleration in the Heart of the Van Allen Radiation Belts by Reeves, G. D., Spence, H. E., Henderson, M. G., Morley, S. K., Friedel, R. H. W., Funsten, H. O., Baker, D. N., Kanekal, S. G., Blake, J. B., Fennell, J. F., Claudepierre, S. G., Thorne, R. M., Turner, D. L., Kletzing, C. A., Kurth, W. S., Larsen, B. A., Niehof, J. T.

“…The Van Allen radiation belts contain ultrarelativistic electrons trapped in Earth's magnetic field. Since their discovery in 1958, a fundamental unanswered…”
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Unraveling the excitation mechanisms of highly oblique lower band chorus waves by Li, W., Mourenas, D., Artemyev, A. V., Bortnik, J., Thorne, R. M., Kletzing, C. A., Kurth, W. S., Hospodarsky, G. B., Reeves, G. D., Funsten, H. O., Spence, H. E.

“…Excitation mechanisms of highly oblique, quasi‐electrostatic lower band chorus waves are investigated using Van Allen Probes observations near the equator of…”
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Dipolarizing flux bundles in the cis‐geosynchronous magnetosphere: Relationship between electric fields and energetic particle injections by Liu, Jiang, Angelopoulos, V., Zhang, Xiao‐Jia, Turner, D. L., Gabrielse, C., Runov, A., Li, Jinxing, Funsten, H. O., Spence, H. E.

“…Dipolarizing flux bundles (DFBs) are small flux tubes (typically <3 RE in XGSM and YGSM) in the nightside magnetosphere that have magnetic field more dipolar…”
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Chorus acceleration of radiation belt relativistic electrons during March 2013 geomagnetic storm by Xiao, Fuliang, Yang, Chang, He, Zhaoguo, Su, Zhenpeng, Zhou, Qinghua, He, Yihua, Kletzing, C. A., Kurth, W. S., Hospodarsky, G. B., Spence, H. E., Reeves, G. D., Funsten, H. O., Blake, J. B., Baker, D. N., Wygant, J. R.

“…The recent launching of Van Allen probes provides an unprecedent opportunity to investigate variations of the radiation belt relativistic electrons. During the…”
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IBEX—Interstellar Boundary Explorer by McComas, D. J., Allegrini, F., Bochsler, P., Bzowski, M., Collier, M., Fahr, H., Fichtner, H., Frisch, P., Funsten, H. O., Fuselier, S. A., Gloeckler, G., Gruntman, M., Izmodenov, V., Knappenberger, P., Lee, M., Livi, S., Mitchell, D., Möbius, E., Moore, T., Pope, S., Reisenfeld, D., Roelof, E., Scherrer, J., Schwadron, N., Tyler, R., Wieser, M., Witte, M., Wurz, P., Zank, G.

“…The Interstellar Boundary Explorer (IBEX) is a small explorer mission that launched on 19 October 2008 with the sole, focused science objective to discover the…”
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Nonstorm time dropout of radiation belt electron fluxes on 24 September 2013 by Su, Zhenpeng, Gao, Zhonglei, Zhu, Hui, Li, Wen, Zheng, Huinan, Wang, Yuming, Wang, Shui, Spence, H. E., Reeves, G. D., Baker, D. N., Blake, J. B., Funsten, H. O., Wygant, J. R.

“…Radiation belt electron flux dropouts during the main phase of geomagnetic storms have received increasing attention in recent years. Here we focus on a rarely…”
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Comparison of Interstellar Boundary Explorer Observations with 3D Global Heliospheric Models by Schwadron, N.A, Bzowski, M, Crew, G.B, Gruntman, M, Fahr, H, Fichtner, H, Frisch, P.C, Funsten, H.O, Fuselier, S, Heerikhuisen, J, Izmodenov, V, Kucharek, H, Lee, M, Livadiotis, G, McComas, D.J, Moebius, E, Moore, T, Mukherjee, J, Pogorelov, N.V, Prested, C, Reisenfeld, D, Roelof, E, Zank, G.P

“…Simulations of energetic neutral atom (ENA) maps predict flux magnitudes that are, in some cases, similar to those observed by the Interstellar Boundary…”
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Van Allen Probes observation of localized drift resonance between poloidal mode ultra-low frequency waves and 60 keV electrons by Claudepierre, S. G., Mann, I. R., Takahashi, K., Fennell, J. F., Hudson, M. K., Blake, J. B., Roeder, J. L., Clemmons, J. H., Spence, H. E., Reeves, G. D., Baker, D. N., Funsten, H. O., W. Friedel, R. H., Henderson, M. G., Kletzing, C. A., Kurth, W. S., MacDowall, R. J., Smith, C. W., Wygant, J. R.

“…We present NASA Van Allen Probes observations of wave‐particle interactions between magnetospheric ultra‐low frequency (ULF) waves and energetic electrons…”
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Generation of extremely low frequency chorus in Van Allen radiation belts by Xiao, Fuliang, Liu, Si, Tao, Xin, Su, Zhenpeng, Zhou, Qinghua, Yang, Chang, He, Zhaoguo, He, Yihua, Gao, Zhonglei, Baker, D. N., Spence, H. E., Reeves, G. D., Funsten, H. O., Blake, J. B.

“…Recent studies have shown that chorus can efficiently accelerate the outer radiation belt electrons to relativistic energies. Chorus, previously often observed…”
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The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements by Zhao, H., Li, X., Baker, D. N., Fennell, J. F., Blake, J. B., Larsen, B. A., Skoug, R. M., Funsten, H. O., Friedel, R. H. W., Reeves, G. D., Spence, H. E., Mitchell, D. G., Lanzerotti, L. J., Rodriguez, J. V.

“…Enabled by the comprehensive measurements from the Magnetic Electron Ion Spectrometer (MagEIS), Helium Oxygen Proton Electron mass spectrometer (HOPE), and…”
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Structures and Spectral Variations of the Outer Heliosphere in IBEX Energetic Neutral Atom Maps by Funsten, H.O, Allegrini, F, Crew, G.B, DeMajistre, R, Frisch, P.C, Fuselier, S.A, Gruntman, M, Janzen, P, McComas, D.J, Möbius, E, Randol, B, Reisenfeld, D.B, Roelof, E.C, Schwadron, N.A

“…The Interstellar Boundary Explorer (IBEX) has obtained all-sky images of energetic neutral atoms emitted from the heliosheath, located between the solar wind…”
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Nonstorm time dynamics of electron radiation belts observed by the Van Allen Probes by Su, Zhenpeng, Xiao, Fuliang, Zheng, Huinan, He, Zhaoguo, Zhu, Hui, Zhang, Min, Shen, Chao, Wang, Yuming, Wang, Shui, Kletzing, C. A., Kurth, W. S., Hospodarsky, G. B., Spence, H. E., Reeves, G. D., Funsten, H. O., Blake, J. B., Baker, D. N.

“…Storm time electron radiation belt dynamics have been widely investigated for many years. Here we present a rarely reported nonstorm time event of electron…”
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Prompt enhancement of the Earth's outer radiation belt due to substorm electron injections by Tang, C. L., Zhang, J.‐C., Reeves, G. D., Su, Z. P., Baker, D. N., Spence, H. E., Funsten, H. O., Blake, J. B., Wygant, J. R.

“…We present multipoint simultaneous observations of the near‐Earth magnetotail and outer radiation belt during the substorm electron injection event on 16…”
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Ring current electron dynamics during geomagnetic storms based on the Van Allen Probes measurements by Zhao, H., Li, X., Baker, D. N., Claudepierre, S. G., Fennell, J. F., Blake, J. B., Larsen, B. A., Skoug, R. M., Funsten, H. O., Friedel, R. H. W., Reeves, G. D., Spence, H. E., Mitchell, D. G., Lanzerotti, L. J.

“…Based on comprehensive measurements from Helium, Oxygen, Proton, and Electron Mass Spectrometer Ion Spectrometer, Relativistic Electron‐Proton Telescope, and…”
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Penetration of magnetosonic waves into the plasmasphere observed by the Van Allen Probes by Xiao, Fuliang, Zhou, Qinghua, He, Yihua, Yang, Chang, Liu, Si, Baker, D. N., Spence, H. E., Reeves, G. D., Funsten, H. O., Blake, J. B.

“…During the small storm on 14–15 April 2014, Van Allen Probe A measured a continuously distinct proton ring distribution and enhanced magnetosonic (MS) waves…”
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Simultaneous disappearances of plasmaspheric hiss, exohiss, and chorus waves triggered by a sudden decrease in solar wind dynamic pressure by Liu, Nigang, Su, Zhenpeng, Gao, Zhonglei, Zheng, Huinan, Wang, Yuming, Wang, Shui, Spence, H. E., Reeves, G. D., Baker, D. N., Blake, J. B., Funsten, H. O., Wygant, J. R.

“…Magnetospheric whistler mode waves are of great importance in the radiation belt electron dynamics. Here on the basis of the analysis of a rare event with the…”
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The role of convection in the buildup of the ring current pressure during the 17 March 2013 storm by Menz, A. M., Kistler, L. M., Mouikis, C. G., Spence, H. E., Skoug, R. M., Funsten, H. O., Larsen, B. A., Mitchell, D. G., Gkioulidou, M.

“…On 17 March 2013, the Van Allen Probes measured the H+ and O+ fluxes of the ring current during a large geomagnetic storm. Detailed examination of the pressure…”
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Rapid flattening of butterfly pitch angle distributions of radiation belt electrons by whistler‐mode chorus by Yang, Chang, Su, Zhenpeng, Xiao, Fuliang, Zheng, Huinan, Wang, Yuming, Wang, Shui, Spence, H. E., Reeves, G. D., Baker, D. N., Blake, J. B., Funsten, H. O.

“…Van Allen radiation belt electrons exhibit complex dynamics during geomagnetically active periods. Investigation of electron pitch angle distributions (PADs)…”
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Plasmatrough exohiss waves observed by Van Allen Probes: Evidence for leakage from plasmasphere and resonant scattering of radiation belt electrons by Zhu, Hui, Su, Zhenpeng, Xiao, Fuliang, Zheng, Huinan, Wang, Yuming, Shen, Chao, Xian, Tao, Wang, Shui, Kletzing, C. A., Kurth, W. S., Hospodarsky, G. B., Spence, H. E., Reeves, G. D., Funsten, H. O., Blake, J. B., Baker, D. N.

“…Exohiss waves are whistler mode hiss observed in the plasmatrough region. We present a case study of exohiss waves and the corresponding background plasma…”
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