The Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on RBSP

Kletzing, C. A.; Kŭrth, W. S.; Acuña, M. H.; MacDowall, R. J.; Torbert, R. B.; Averkamp, T. F.; Bodet, D.; Bounds, S. R.; Chutter, M.; Connerney, J. E. P.; Crawford, D.; Dolan, J. S.; Dvorský, Richard; Hospodarsky, G. B.; Howard, J.; Jordanova, V. K.; Johnson, R. A.; Kirchner, D. L.; Mokrzycki, B. T.; Needell, G.; Odom, J.; Mark, Douglas; Pfaff, R. F.; Phillips, James; Piker, Chris; Remington, S. L.; Rowland, D. E.; Santolı́k, O.; Schnurr, R.; Sheppard, D.; Smith, C. W.; Thorne, R. M.; Tyler, J.

doi:10.1007/978-1-4899-7433-4_5

Cited by 49 publications

(37 citation statements)

References 148 publications

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“…It is worth mentioning science centers of other geospace projects. As an example of related geospace missions, the NASA/Van Allen Proves mission comprises science operation centers (SOC) for each instrument, and each SOC provides its own database and software for data analysis (e.g., Kletzing et al 2013;Spence et al 2013). Similar to the ERG-SC, science data files are archived in CDF format and these CDF files can be accessed via the internet, so that users can use appropriate software for their analysis.…”

Section: Discussionmentioning

confidence: 99%

The ERG Science Center

Miyoshi

Hori

Motomizu

et al. 2018

Earth Planets Space

153

156

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The Exploration of energization and Radiation in Geospace (ERG) Science Center serves as a hub of the ERG project, providing data files in a common format and developing the space physics environment data analysis software and plug-ins for data analysis. The Science Center also develops observation plans for the ERG (Arase) satellite according to the science strategy of the project. Conjugate observations with other satellites and ground-based observations are also planned. These tasks contribute to the ERG project by achieving quick analysis and well-organized conjugate ERG satellite and ground-based observations. © The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creat iveco mmons .org/licen ses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Section: Discussionmentioning

confidence: 99%

The ERG Science Center

Miyoshi

Hori

Motomizu

et al. 2018

Earth Planets Space

153

156

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“…The orbital precession rate is about 200 • per year, thus the Van Allen Probes can sweep all MLT and complete one full precession within about 22 months 20 Mauk et al, 2013). Each Van Allen Probe includes an EMFISIS (Electric and Magnetic Field Instrument Suite and Integrated Science) instrument (Kletzing et al, 2013) that provides high time resolution measurements of electric and magnetic fields covering the frequency range from 10 Hz up to 400 kHz. The EMFISIS instrument suite measures the background magnetic field by a tri-axial fluxgate magnetometer (MAG) (Kletzing et al, 2013).…”

Section: Data Base and Event Selectionmentioning

confidence: 99%

A statistical study of spatial distribution and source region size of chorus waves using Van Allen Probes data

Teng¹,

Tao²,

Li³

et al. 2018

Preprint

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Abstract. Spatial distribution and source region size of chorus waves are important parameters in understanding their generation. In this work, we analyze over 3 years of continuous wave burst mode data from Van Allen Probes and build a data set of rising and falling tone chorus. For the L shell range covered by Van Allen Probes data (3.5 ≤ L ≤ 7), statistical results demonstrate that the sector where rising tones are most likely to be observed is the dayside during geomagnetically quiet and moderate times and the dawnside during active times. Moreover, rising tone chorus waves have a higher occurrence rate near 5 the equatorial plane, while the falling tone chorus waves have a higher possibility to be observed at lower L-shell and higher magnetic latitude. By analyzing the direction of Poynting wave vector, we statistically investigate the chorus source region size along a field line, and compare the results with previous theoretical estimates. Our analysis confirms previous conclusions that both rising tone and falling tone chorus waves are generated near the equatorial plane, and shows that previous theoretical estimates roughly agree with the observation within a factor of two. Our results provide important insights into further 10 understanding of chorus generation.

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“…Electron density was determined both from electric and magnetic field instrument suite and integrated science (EMFISIS) (blue) plasma wave and magnetometer observations [Kletzing et al, 2012] and from electric field and waves (EFW) [Wygant et al, 2013] probe potentials (red). Near apogee, the EFW density measuring technique becomes invalid due to spacecraft eclipse effects.…”

Section: Geophysical Research Letters Research Lettermentioning

confidence: 99%

Prompt energization of relativistic and highly relativistic electrons during a substorm interval: Van Allen Probes observations

Foster

Erickson

Baker

et al. 2014

Geophysical Research Letters

Self Cite

122

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On 17 March 2013, a large magnetic storm significantly depleted the multi-MeV radiation belt. We present multi-instrument observations from the Van Allen Probes spacecraft Radiation Belt Storm Probe A and Radiation Belt Storm Probe B at~6 Re in the midnight sector magnetosphere and from ground-based ionospheric sensors during a substorm dipolarization followed by rapid reenergization of multi-MeV electrons. A 50% increase in magnetic field magnitude occurred simultaneously with dramatic increases in 100 keV electron fluxes and a 100 times increase in VLF wave intensity. The 100 keV electrons and intense VLF waves provide a seed population and energy source for subsequent radiation belt enhancements. Highly relativistic (>2 MeV) electron fluxes increased immediately at L*~4.5 and 4.5 MeV flux increased >90 times at L* = 4 over 5 h. Although plasmasphere expansion brings the enhanced radiation belt multi-MeV fluxes inside the plasmasphere several hours postsubstorm, we localize their prompt reenergization during the event to regions outside the plasmasphere.

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The Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on RBSP

Cited by 49 publications

References 148 publications

The ERG Science Center

The ERG Science Center

A statistical study of spatial distribution and source region size of chorus waves using Van Allen Probes data

Prompt energization of relativistic and highly relativistic electrons during a substorm interval: Van Allen Probes observations

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