Search Results - "Avanov, Levon"

Ion Diffusive Transport Across the Separatrix Between the Low‐Latitude Mantle and the Plasma Sheet by Kinetic Alfvén Waves: MMS Observation by Wang, Chih‐Ping, Johnson, Jay R., Xing, Xiaoyan, Avanov, Levon A., Wei, H. Y., Ahmadi, Narges

“…To understand the entry of the cool low‐latitude mantle ions into the tail plasma sheet near the flanks under persistent interplanetary magnetic field By, we…”
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Systematic Uncertainties in Plasma Parameters Reported by the Fast Plasma Investigation on NASA's Magnetospheric Multiscale Mission by Gershman, Daniel J., Dorelli, John C., Avanov, Levon A., Gliese, Ulrik, Barrie, Alexander, Schiff, Conrad, Da Silva, Daniel E., Paterson, William R., Giles, Barbara L., Pollock, Craig J.

“…Systematic uncertainties in the conversion of measured counts to phase space density by charged particle instrumentation result in errors in reported plasma…”
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Wave-Particle Energy Exchange Directly Observed in a Kinetic Alfven-Branch Wave by Gershman, Daniel J., Vinas, Adolfo F, Dorelli, John C, Boardsen, Scott A, Avanov, Levon A, Bellan, Paul M., Schwartz, Steven J., Lavraud, Benoit, Coffey, Victoria N, Chandler, Michael O, Saito, Yoshifumi, Paterson, William R, Fuselier, Stephen A., Ergun, Robert E, Strangeway, Robert J, Russell, Christopher T., Giles, Barbara L, Pollock, Craig J., Torbert, Roy B, Burch, James L

“…Alfven waves are fundamental plasma wave modes that permeate the universe. At small kinetic scales they provide a critical mechanism for the transfer of energy…”
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Spacecraft and Instrument Photoelectrons Measured by the Dual Electron Spectrometers on MMS by Gershman, Daniel J., Avanov, Levon A., Boardsen, Scott A., Dorelli, John C., Gliese, Ulrik B., Barrie, Alexander C., Schiff, Conrad, Paterson, William R., Torbert, Roy B., Giles, Barbara L., Pollock, Craig J.

“…Secondary electrons are continuously generated via photoemission from sunlit spacecraft and instrument surfaces. These particles can subsequently contaminate…”
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Effect of IMF By on the Entry of Solar Wind Ions Into the Near‐Earth Tail Lobe: Global Hybrid Simulation and MMS Observation by Wang, Chih‐Ping, Xing, Xiaoyan, Wang, Xueyi, Avanov, Levon A., Lin, Yu, Strangeway, Robert J., Wei, H. Y.

“…Global simulations predict that the low‐latitude mantle may be an important pathway for the solar wind entry into the tail magnetosphere close to the current…”
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Electron Energization and Mixing Observed by MMS in the Vicinity of an Electron Diffusion Region During Magnetopause Reconnection by Chen, Li-Jen, Hesse, Michael, Wang, Shan, Gershman, Daniel, Ergun, Robert, Pollock, Craig, Torbert, Roy, Bessho, Naoki, Daughton, William, Dorelli, John, Giles, Barbara, Moore, Thomas

“…Measurements from the Magnetospheric Multiscale (MMS) mission are reported to show distinct features of electron energization and mixing in the diffusion…”
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Event Studies of O+ Density Variability Within Quiet‐Time Plasma Sheet by Wang, Chih‐Ping, Fuselier, Stephen A., Hairston, Marc, Zhang, Xiao‐jia, Zou, Shasha, Avanov, Levon A., Strangeway, Robert J., Ahmadi, Narges, Bortnik, Jacob

“…To understand the variations of the O+ ions in the quiet‐time plasma sheet between the regions of cold‐dense plasma sheet (CDPS) and hot plasma sheet (HPS), we…”
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Penetration of Magnetosheath Plasma into Dayside Magnetosphere: 1. Density, Velocity, and Rotation by Lyatsky, Wladislaw, Pollock, Craig, Goldstein, Melvyn L., Lyatsky, Sonya, Avanov, Levon Albert

“…In this study, we examine a large number of plasma structures (filaments), observed with the Cluster spacecraft during 2 years (2007-2008) in the dayside…”
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Ion Kinetics in a Hot Flow Anomaly: MMS Observations by Schwartz, Steven J, Avanov, Levon, Turner, Drew, Zhang, Hui, Gingell, Imogen, Eastwood, Jonathan P, Gershman, Daniel J, Johlander, Andreas, Russell, Christopher T, Burch, James L, Dorelli, John C, Eriksson, Stefan, Ergun, Robert E, Fuselier, Stephen A, Giles, Barbara L, Goodrich, Katherine A, Khotyaintsev, Yuri V, Lavraud, Benoit, Lindqvist, Per‐Arne, Oka, Mitsuo, Phan, Tai‐Duc, Strangeway, Robert J, Trattner, Karlheinz J, Torbert, Roy B, Vaivads, Andris, Wei, Hanying, Wilder, Frederick

“…Hot Flow Anomalies (HFAs) are transients observed at planetary bow shocks, formed by the shock interaction with a convected interplanetary current sheet. The…”
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Electron Dynamics in a Subproton-Gyroscale Magnetic Hole by Gershman, Daniel J., Dorelli, John C., Vinas, Adolfo F., Avanov, Levon A., Gliese, Ulrik B., Barrie, Alexander C., Coffey, Victoria, Chandler, Michael, Dickson, Charles, MacDonald, Elizabeth A., Salo, Chad, Holland, Matthew, Saito, Yoshifumi, Sauvaud, Jean-Andre, Lavraud, Benoit, Paterson, William R., Torbert, Roy, Chen, Li-Jen, Goodrich, Katherine, Russell, Christopher T., Strangeway, Robert J., Giles, Barbara L., Pollock, Craig J., Moore, Thomas E., Burch, James L.

“…Magnetic holes are ubiquitous in space plasmas, occurring in the solar wind, downstream of planetary bow shocks, and inside the magnetosphere. Recently,…”
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Production of Negative Hydrogen Ions Within the MMS Fast Plasma Investigation Due to Solar Wind Bombardment by Gingell, Imogen, Schwartz, Steven J., Gershman, Daniel J., Paterson, William R., Desai, Ravindra T., Giles, Barbara L., Pollock, Craig J., Avanov, Levon A.

“…The particle data delivered by the Fast Plasma Investigation instrument aboard National Aeronautics and Space Administration's Magnetospheric Multiscale (MMS)…”
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Two-Scale Ion Meandering Caused by the Polarization Electric Field During Asymmetric Reconnection by Wang, Shan, Chen, Li-Jen, Hesse, Michael, Bessho, Naoki, Gershman, Daniel J., Dorelli, John, Giles, Barbara L., Torbert, Roy B., Pollock, Craig J., Strangeway, Robert, Ergun, Robert E., Burch, James L., Avanov, Levon, Lavraud, Benoit, Moore, Thomas E., Saito, Yoshifumi

“…Ion velocity distribution functions (VDFs) from a particle-in-cell simulation of asymmetric reconnection are investigated to reveal a two-scale structure of…”
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The parameterization of microchannel‐plate‐based detection systems by Gershman, Daniel J., Gliese, Ulrik, Dorelli, John C., Avanov, Levon A., Barrie, Alexander C., Chornay, Dennis J., MacDonald, Elizabeth A., Holland, Matthew P., Giles, Barbara L., Pollock, Craig J.

“…The most common instrument for low‐energy plasmas consists of a top‐hat electrostatic analyzer (ESA) geometry coupled with a microchannel‐plate‐based…”
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Ion Demagnetization in the Magnetopause Current Layer Observed by MMS by Wang, Shan, Chen, Li-Jen, Hesse, Michael, Gershman, Daniel J., Dorelli, John, Giles, Barbara, Torbert, Roy B., Pollock, Craig J., Lavraud, Benoit, Strangeway, Robert, Avanov, Levon, Moore, Thomas E.

“…We report ion velocity distribution functions (VDfs) observed by Magnetospheric Multiscale Mission (MMS) and present evidence for demagnetized ion Speiser…”
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Observations of the ion signatures of double merging and the formation of newly closed field lines by Chandler, Michael O., Avanov, Levon A., Craven, Paul D., Mozer, F. S., Moore, T. E.

“…Observations from the Thermal Ion Dynamics Experiment (TIDE) on the Polar spacecraft, taken during a period of northward interplanetary magnetic field (IMF)…”
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Effect of IMF B y on the Entry of Solar Wind Ions Into the Near‐Earth Tail Lobe: Global Hybrid Simulation and MMS Observation by Wang, Chih‐Ping, Xing, Xiaoyan, Wang, Xueyi, Avanov, Levon A., Lin, Yu, Strangeway, Robert J., Wei, H. Y.

“…Abstract Global simulations predict that the low‐latitude mantle may be an important pathway for the solar wind entry into the tail magnetosphere close to the…”
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Automated Classification of Plasma Regions Using 3D Particle Energy Distributions by Olshevsky, Vyacheslav, Khotyaintsev, Yuri V., Lalti, Ahmad, Divin, Andrey, Delzanno, Gian Luca, Anderzén, Sven, Herman, Pawel, Chien, Steven W. D., Avanov, Levon, Dimmock, Andrew P., Markidis, Stefano

“…We investigate the properties of the ion sky maps produced by the Dual Ion Spectrometers (DIS) from the Fast Plasma Investigation (FPI). We have trained a…”
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Automated Current Monitoring for Microchannel Plates on Fast Plasma Investigation by Patton, Joseph, Barrie, Alexander C., Doe, Stewart, Gershman, Daniel, Avanov, Levon, Abedi, Ali

“…The Fast Plasma Investigation (FPI) is an instrument suite aboard NASA's Magnetospheric Multiscale space physics mission, which is designed to study magnetic…”
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Penetration of magnetosheath plasma into dayside magnetosphere: 2. Magnetic field in plasma filaments by Lyatsky, Wladislaw, Pollock, Craig, Goldstein, Melvyn L., Lyatskaya, Sonya, Avanov, Levon

“…In this paper, we examined plasma structures (filaments), observed in the dayside magnetosphere but containing magnetosheath plasma. These filaments show the…”
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Penetration of Magnetosheath Plasma into Dayside Magnetosphere by Lyatsky, Wladislaw, Pollock, Craig, Goldstein, Melvyn L., Lyatskaya, Sonya Inna, Avanov, Levon Albert

“…In this paper, we examined plasma structures (filaments), observed in the dayside magnetosphere but containing magnetosheath plasma. These filaments show the…”
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