Radiation Belt Storm Probes Ion Composition Experiment (RBSPICE)

Mitchell, D. G.; Lanzerotti, L. J.; Kim, C. K.; Stokes, Mark; Ho, G. C.; Cooper, S. A.; Ukhorskiy, A. Y.; Manweiler, J. W.; Jaskulek, S.; Haggerty, D. K.; Brandt, P. C.; Sitnov, M. I.; Keika, K.; Hayes, J. R.; Brown, L. E.; Gurnee, R. S.; Hutcheson, Joel C.; Nelson, K. S.; Paschalidis, N.; Rossano, E.; Kerem, S.

doi:10.1007/s11214-013-9965-x

Cited by 178 publications

(194 citation statements)

References 46 publications

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“…Thus, in this paper, we assume that MagEIS provides measurements for protons only. The error introduced by this assumption is small and will be discussed in section 4.1 using~50-300 keV proton and O + flux data from the RBSPICE instrument [Mitchell et al, 2013]. The spin-averaged fluxes measured by HOPE and MagEIS are used in the section 3 of this study, while pitch angle-resolved data from MagEIS are used in section 4.2 to compare with the results derived using the spin-averaged data.…”

Section: Datamentioning

confidence: 99%

The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements

et al. 2015

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Enabled by the comprehensive measurements from the Magnetic Electron Ion Spectrometer (MagEIS), Helium Oxygen Proton Electron mass spectrometer (HOPE), and Radiation Belt Storm Probes Ion Composition Experiment (RBSPICE) instruments onboard Van Allen Probes in the heart of the radiation belt, the relative contributions of ions with different energies and species to the ring current energy density and their dependence on the phases of geomagnetic storms are quantified. The results show that lower energy (<50 keV) protons enhance much more often and also decay much faster than higher‐energy protons. During the storm main phase, ions with energies <50 keV contribute more significantly to the ring current than those with higher energies; while the higher‐energy protons dominate during the recovery phase and quiet times. The enhancements of higher‐energy proton fluxes as well as energy content generally occur later than those of lower energy protons, which could be due to the inward radial diffusion. For the 29 March 2013 storm we investigated in detail that the contribution from O+ is ~25% of the ring current energy content during the main phase and the majority of that comes from <50 keV O+. This indicates that even during moderate geomagnetic storms the ionosphere is still an important contributor to the ring current ions. Using the Dessler‐Parker‐Sckopke relation, the contributions of ring current particles to the magnetic field depression during this geomagnetic storm are also calculated. The results show that the measured ring current ions contribute about half of the Dst depression.

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Section: Datamentioning

confidence: 99%

The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements

et al. 2015

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“…3 Illustration of the power of energetic ion and electron measurements in diagnosing the geometric and topological structure of reconnection sites (top and left panels from Scholer et al 1982; bottom panel from Mitchell et al 1987). The dark (white) lines in the top (bottom) panels are contours of constant pitch angle Energetic Particle Detector Instrument (JEDI) now on its way to Jupiter with the Juno mission (Mauk et al 2013) and the RBSPICE instrument now flying on the twin Van Allen Probes mission (Mitchell et al 2013). We will referring to these sister instruments, and the respective overview papers, a number of times within the present paper.…”

Section: Background and Overviewmentioning

confidence: 99%

“…The EIS design is heavily based on the JUNO JEDI instrument design (Mauk et al 2013) which draws its heritage from the New Horizons PEPSSI instrument. The RBSPICE instrument on the Van Allen Probes mission (Mitchell et al 2013) was also based closely on JEDI.…”

Section: Eis Heritagementioning

confidence: 99%

The Energetic Particle Detector (EPD) Investigation and the Energetic Ion Spectrometer (EIS) for the Magnetospheric Multiscale (MMS) Mission

et al. 2014

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The Energetic Particle Detector (EPD) Investigation is one of 5 fields-andparticles investigations on the Magnetospheric Multiscale (MMS) mission. MMS comprises 4 spacecraft flying in close formation in highly elliptical, near-Earth-equatorial orbits targeting understanding of the fundamental physics of the important physical process called magnetic reconnection using Earth's magnetosphere as a plasma laboratory. EPD comprises two sensor types, the Energetic Ion Spectrometer (EIS) with one instrument on each of the 4 spacecraft, and the Fly's Eye Energetic Particle Spectrometer (FEEPS) with 2 instruments on each of the 4 spacecraft. EIS measures energetic ion energy, angle and elemental compositional distributions from a required low energy limit of 20 keV for protons and 45 keV for oxygen ions, up to > 0.5 MeV (with capabilities to measure up to > 1 MeV). FEEPS measures instantaneous all sky images of energetic electrons from 25 keV to > 0.5 MeV, and also measures total ion energy distributions from 45 keV to > 0.5 MeV to be used in conjunction with EIS to measure all sky ion distributions. In this report we describe the EPD investigation and the details of the EIS sensor. Specifically we describe EPD-level science objectives, the science and measurement requirements, and the challenges that the EPD team had in meeting these requirements. Here we also describe the design and operation of the EIS instruments, their calibrated performances, and the EIS in-flight and ground operations. Blake et al. (The Flys Eye Energetic Particle Spectrometer (FEEPS) contribution to the Energetic Particle Detector (EPD) investigation of the Magnetospheric Magnetoscale (MMS) Mission, this issue) describe the design and operation of the FEEPS instruments, their calibrated performances, and the FEEPS in-flight and ground operations. The MMS spacecraft will launch in early 2015, and over its 2-year mission will provide comprehensive measurements of magnetic reconnection at Earth's magnetopause during the 18 months that comprise orbital phase 1, and magnetic reconnection within Earth's magnetotail during the about 6 months that comprise orbital phase 2.Keywords NASA mission · Magnetospheric multiscale · Magnetosphere · Magnetic reconnection · Space plasma · Particle acceleration 1 EPD Introduction, Background, Science Goals Background and OverviewThe purpose of NASA's Magnetospheric Multiscale (MMS) mission, as described by Burch et al. (this issue), is to provide understanding of the fundamental physics of the critical energy conversion process of magnetized space plasmas called Magnetic Reconnection. Magnetic reconnection is a spatially localized process that converts magnetic energy that is derived from the flow energy of ionized gases (plasmas), into particle energy in the form of different forms of plasma flow, heating, and particle energization To provide that understanding, the MMS mission comprises 4 spacecraft that fly in formation (10 to 400 km apart) in highly elliptical orbits (1.2 × 12 to 1.2 × 25 RE), thereby ob...

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“…Both satellites carry identical sets of instruments to measure charged particle populations, fields, and waves in the inner magnetosphere. In this paper, we employ observations from the Energetic Particle, Composition, and Thermal Plasma Suite (ECT) , Electric and Magnetic Field Instrument Suite and Integrated Science (EMFI-SIS) , the Electric Field and Waves Suite (EFW) , and Radiation Belt Storm Probes Ion Composition Experiment (RBSPICE) (Mitchell et al, 2013) instruments. In particular, we inspect electric and magnetic field observations with 4 s time resolution and differential particle flux measurements with ∼ 11 s (spin period) time resolution.…”

Section: Instruments and Spacecraft Orbitsmentioning

confidence: 99%

Van Allen Probe observations of drift-bounce resonances with Pc 4 pulsations and wave–particle interactions in the pre-midnight inner magnetosphere

Korotova¹,

Sibeck²,

Tahakashi³

et al. 2015

Ann. Geophys.

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Abstract. We present Van Allen Probe B observations of azimuthally limited, antisymmetric, poloidal Pc 4 electric and magnetic field pulsations in the pre-midnight sector of the magnetosphere from 05:40 to 06:00 UT on 1 May 2013. Oscillation periods were similar for the magnetic and electric fields and proton fluxes. The flux of energetic protons exhibited an energy-dependent response to the pulsations. Energetic proton variations were anticorrelated at medium and low energies. Although we attribute the pulsations to a drift-bounce resonance, we demonstrate that the energydependent response of the ion fluxes results from pulsationassociated velocities sweeping energy-dependent radial ion flux gradients back and forth past the spacecraft.

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Radiation Belt Storm Probes Ion Composition Experiment (RBSPICE)

Cited by 178 publications

References 46 publications

The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements

The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements

The Energetic Particle Detector (EPD) Investigation and the Energetic Ion Spectrometer (EIS) for the Magnetospheric Multiscale (MMS) Mission

Van Allen Probe observations of drift-bounce resonances with Pc 4 pulsations and wave–particle interactions in the pre-midnight inner magnetosphere

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