Search Results - "MCCOMAS, D. J"

Understanding Kappa Distributions: A Toolbox for Space Science and Astrophysics by Livadiotis, G., McComas, D. J.

“…In this paper we examine the physical foundations and theoretical development of the kappa distribution, which arises naturally from non-extensive Statistical…”
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Switchbacks Explained: Super-Parker Fields—The Other Side of the Sub-Parker Spiral by Schwadron, N. A., McComas, D. J.

“…Abstract We provide a simple geometric explanation for the source of switchbacks and associated large and one-sided transverse flows in the solar wind observed…”
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Beyond kappa distributions: Exploiting Tsallis statistical mechanics in space plasmas by Livadiotis, G., McComas, D. J.

“…Empirically derived kappa distributions are becoming increasingly widespread in space physics as the power law nature of various suprathermal tails is melded…”
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Transport Equation of Kappa Distributions in the Heliosphere by Livadiotis, G., McComas, D. J.

“…Abstract In this paper, we develop the transport equation of kappa, the fundamental thermodynamic parameter that labels kappa distributions of particle…”
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Connection between Polytropic Index and Heating by Livadiotis, G., McComas, D. J.

“…Abstract The paper derives the one-to-one connecting relationships between plasma heating and its polytropic index, and addresses the consequences through the…”
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Invariant Kappa Distribution in Space Plasmas Out of Equilibrium by Livadiotis, G, McComas, D. J

“…Recent advances in Space Physics theory have shown the connection between non-extensive Statistical Mechanics and space plasmas by providing a theoretical…”
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The Solar Probe Plus Mission: Humanity’s First Visit to Our Star by Fox, N. J., Velli, M. C., Bale, S. D., Decker, R., Driesman, A., Howard, R. A., Kasper, J. C., Kinnison, J., Kusterer, M., Lario, D., Lockwood, M. K., McComas, D. J., Raouafi, N. E., Szabo, A.

“…Solar Probe Plus (SPP) will be the first spacecraft to fly into the low solar corona. SPP’s main science goal is to determine the structure and dynamics of the…”
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Exploring Transitions of Space Plasmas Out of Equilibrium by Livadiotis, G, McComas, D. J

“…Space plasmas from the solar wind to planetary magnetospheres and the outer heliosphere are systems in stationary states out of equilibrium. Empirical kappa…”
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Sun-Heliosphere Observation-based Ionization Rates Model by Sokó, Justyna M., McComas, D. J., Bzowski, M., Tokumaru, M.

“…The solar wind (SW) and the extreme ultraviolet (EUV) radiation modulate fluxes of interstellar and heliospheric particles inside the heliosphere both in time…”
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Temperature of the Polar Inner Heliosheath: Connection to Solar Activity by Livadiotis, G., McComas, D. J., Zirnstein, E. J.

“…Abstract We study the thermodynamics of the plasma protons in the polar regions of the inner heliosheath (IHS) and its connection with solar activity over…”
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TRACKING CORONAL FEATURES FROM THE LOW CORONA TO EARTH: A QUANTITATIVE ANALYSIS OF THE 2008 DECEMBER 12 CORONAL MASS EJECTION by DeForest, C E, Howard, T A, McComas, D J

“…We have tracked a slow magnetic cloud associated coronal mass ejection (CME) continuously from its origin as a flux rope structure in the low solar corona over…”
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Proton Equatorial Pitch Angle Distributions in Jupiter's Inner Magnetosphere by Sarkango, Y., Szalay, J. R., Poppe, A. R., Nénon, Q., Kollmann, P., Clark, G., McComas, D. J.

“…We use data from the plasma and energetic particle instruments on the Juno spacecraft, JADE and JEDI, to study the equatorial pitch angle distributions of…”
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NON-EQUILIBRIUM THERMODYNAMIC PROCESSES: SPACE PLASMAS AND THE INNER HELIOSHEATH by LIVADIOTIS, G, MCCOMAS, D. J

“…Recently, empirical kappa distribution, commonly used to describe non-equilibrium systems like space plasmas, has been connected with non-extensive statistical…”
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Discrete and broadband electron acceleration in Jupiter’s powerful aurora by Mauk, B. H., Haggerty, D. K., Paranicas, C., Clark, G., Kollmann, P., Rymer, A. M., Bolton, S. J., Levin, S. M., Adriani, A., Allegrini, F., Bagenal, F., Bonfond, B., Connerney, J. E. P., Gladstone, G. R., Kurth, W. S., McComas, D. J., Valek, P.

“…The process that generates Earth’s most intense aurora is found to occur at Jupiter, but is of only secondary importance in generating Jupiter’s much more…”
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Weaker solar wind from the polar coronal holes and the whole Sun by McComas, D. J., Ebert, R. W., Elliott, H. A., Goldstein, B. E., Gosling, J. T., Schwadron, N. A., Skoug, R. M.

“…Observations of solar wind from both large polar coronal holes (PCHs) during Ulysses' third orbit showed that the fast solar wind was slightly slower,…”
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The Jovian Auroral Distributions Experiment (JADE) on the Juno Mission to Jupiter by McComas, D. J., Alexander, N., Allegrini, F., Bagenal, F., Beebe, C., Clark, G., Crary, F., Desai, M. I., De Los Santos, A., Demkee, D., Dickinson, J., Everett, D., Finley, T., Gribanova, A., Hill, R., Johnson, J., Kofoed, C., Loeffler, C., Louarn, P., Maple, M., Mills, W., Pollock, C., Reno, M., Rodriguez, B., Rouzaud, J., Santos-Costa, D., Valek, P., Weidner, S., Wilson, P., Wilson, R. J., White, D.

“…The Jovian Auroral Distributions Experiment (JADE) on Juno provides the critical in situ measurements of electrons and ions needed to understand the plasma…”
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WEAKEST SOLAR WIND OF THE SPACE AGE AND THE CURRENT “MINI” SOLAR MAXIMUM by McComas, D J, Angold, N, Elliott, H A, LIVADIOTIS, G, Schwadron, N A, Skoug, R M, Smith, C W

“…The last solar minimum, which extended into 2009, was especially deep and prolonged. Since then, sunspot activity has gone through a very small peak while the…”
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The Big Picture: Imaging of the Global Geospace Environment by the TWINS Mission by Goldstein, J., McComas, D. J.

“…Encircling our planet at distances of 2.5 to 8 Earth radii is a dynamic plasma population known as the ring current (RC). During geomagnetic storms, the solar…”
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HELIOSPHERIC STRUCTURE: THE BOW WAVE AND THE HYDROGEN WALL by Zank, G P, HEERIKHUISEN, J, Wood, B E, Pogorelov, N V, Zirnstein, E, McComas, D J

“…Recent IBEX observations indicate that the local interstellar medium (LISM) flow speed is less than previously thought. Reasonable LISM plasma parameters…”
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Determining the IBEX Ribbon Transverse Profile from ENA Temporal Variations: A Proof of Concept for IMAP Observations by Dayeh, M. A., Zirnstein, E. J., McComas, D. J.

“…Abstract Since its discovery in 2009, the IBEX energetic neutral atom (ENA) Ribbon has been a subject of numerous studies. It appears at energies ∼0.5–6 keV…”
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