Search Results - "MacNeice, P."

Helios Observations of Quasiperiodic Density Structures in the Slow Solar Wind at 0.3, 0.4, and 0.6 AU by Di Matteo, S., Viall, N. M., Kepko, L., Wallace, S., Arge, C. N., MacNeice, P.

“…Following previous investigations of quasiperiodic plasma density structures in the solar wind at 1 AU, we show using the Helios1 and Helios2 data their first…”
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The Streamer Blowout Origin of a Flux Rope and Energetic Particle Event Observed by Parker Solar Probe at 0.5 au by Lario, D., Balmaceda, L., Alzate, N., Mays, M. L., Richardson, I. G., Allen, R. C., Florido-Llinas, M., Nieves-Chinchilla, T., Koval, A., Lugaz, N., Jian, L. K., Arge, C. N., Macneice, P. J., Odstrcil, D., Morgan, H., Szabo, A., Desai, M. I., Whittlesey, P. L., Stevens, M. L., Ho, G. C., Luhmann, J. G.

“…The distribution of spacecraft in the inner heliosphere during 2019 March enabled comprehensive observations of an interplanetary coronal mass ejection (ICME)…”
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Effect of the Size of the Computational Domain on Spherical Nonlinear Force-Free Modeling of a Coronal Magnetic Field Using SDO/HMI Data by Tadesse, Tilaye, Wiegelmann, T., MacNeice, P. J.

“…The solar coronal magnetic field produces solar activity, including extremely energetic solar flares and coronal mass ejections (CMEs). Knowledge of the…”
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Observable Properties of the Breakout Model for Coronal Mass Ejections by Lynch, B. J, Antiochos, S. K, MacNeice, P. J, Zurbuchen, T. H, Fisk, L. A

“…We compare the "magnetic breakout" model for coronal mass ejections (CMEs) with observed general properties of CMEs by analyzing in detail recent…”
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A Comparison Between Nonlinear Force-Free Field and Potential Field Models Using Full-Disk SDO/HMI Magnetogram by Tadesse, Tilaye, Wiegelmann, T., MacNeice, P. J., Inhester, B., Olson, K., Pevtsov, A.

“…Measurements of magnetic fields and electric currents in the pre-eruptive corona are crucial to the study of solar eruptive phenomena, like flares and coronal…”
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Global Solar Free Magnetic Energy and Electric Current Density Distribution of Carrington Rotation 2124 by Tadesse, Tilaye, Pevtsov, Alexei A., Wiegelmann, T., MacNeice, P. J., Gosain, S.

“…Solar eruptive phenomena, like flares and coronal mass ejections (CMEs), are governed by magnetic fields. To describe the structure of these phenomena one…”
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Are Magnetic Dips Necessary for Prominence Formation? by Karpen, J. T, Antiochos, S. K, Hohensee, M, Klimchuk, J. A, MacNeice, P. J

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Comparison of Observations at ACE and Ulysses with Enlil Model Results: Stream Interaction Regions During Carrington Rotations 2016 – 2018 by Jian, L. K., Russell, C. T., Luhmann, J. G., MacNeice, P. J., Odstrcil, D., Riley, P., Linker, J. A., Skoug, R. M., Steinberg, J. T.

“…During the latitudinal alignment in 2004, ACE and Ulysses encountered two stream interaction regions (SIRs) each Carrington rotation from 2016 to 2018, at 1…”
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Ionic Composition Structure of Coronal Mass Ejections in Axisymmetric Magnetohydrodynamic Models by Lynch, B. J, Reinard, A. A, Mulligan, T, Reeves, K. K, Rakowski, C. E, Allred, J. C, Li, Y, Laming, J. M, MacNeice, P. J, Linker, J. A

“…We present the ionic charge state composition structure derived from axisymmetric MHD simulations of coronal mass ejections (CMEs), initiated via the…”
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The Solar Wind at 1 AU During the Declining Phase of Solar Cycle 23: Comparison of 3D Numerical Model Results with Observations by Lee, C. O., Luhmann, J. G., Odstrcil, D., MacNeice, P. J., de Pater, I., Riley, P., Arge, C. N.

“…We present results of solar-wind parameters generated by 3D MHD models. The ENLIL inner-heliosphere solar-wind model together with the MAS or Wang – Sheeley –…”
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Radial evolution of the three-dimensional structure in CIRs between Earth and Ulysses by Broiles, T. W., Desai, M. I., Lee, C. O., MacNeice, P. J.

“…The radial alignment of ACE and Ulysses in February 2004 and August 2007 provided us with unprecedented opportunities to study the radial evolution of planar…”
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The Dynamic Formation of Prominence Condensations by Antiochos, S. K, MacNeice, P. J, Spicer, D. S, Klimchuk, J. A

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The Inability of Steady-Flow Models to Explain the Extreme-Ultraviolet Coronal Loops by Patsourakos, S, Klimchuk, J. A, MacNeice, P. J

“…Recent observations from the Transition Region and Coronal Explorer (TRACE) and the EUV Imaging Telescope (EIT) show that warm (T ~ 1-1.5 MK) EUV coronal loops…”
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Modeling coronal magnetic field using spherical geometry: cases with several active regions by Tadesse, Tilaye, Wiegelmann, T., MacNeice, P. J., Olson, K.

“…The magnetic fields in the solar atmosphere structure the plasma, store free magnetic energy and produce a wide variety of active solar phenomena, like flare…”
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A Numerical Study of the Breakout Model for Coronal Mass Ejection Initiation by MacNeice, P, Antiochos, S. K, Phillips, A, Spicer, D. S, DeVore, C. R, Olson, K

“…A leading theory for the initiation of coronal mass ejections (CMEs) is the breakout model, in which magnetic reconnection above a filament channel is…”
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The Role of Magnetic Helicity in Coronal Mass Ejections by Phillips, A. D, MacNeice, P. J, Antiochos, S. K

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Multi-Spacecraft Observations: Stream Interactions and Associated Structures by Jian, L. K., Russell, C. T., Luhmann, J. G., Galvin, A. B., MacNeice, P. J.

“…The stream interaction region (SIR), formed when a fast stream overtakes a preceding slow stream, is the predominant large-scale solar wind structure at this…”
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Constraints on the Magnetic Field Geometry in Prominences by Karpen, J. T, Antiochos, S. K, Klimchuk, J. A, MacNeice, P. J

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Ensemble Modeling of CMEs Using the WSA–ENLIL+Cone Model by Mays, M. L., Taktakishvili, A., Pulkkinen, A., MacNeice, P. J., Rastätter, L., Odstrcil, D., Jian, L. K., Richardson, I. G., LaSota, J. A., Zheng, Y., Kuznetsova, M. M.

“…Ensemble modeling of coronal mass ejections (CMEs) provides a probabilistic forecast of CME arrival time that includes an estimation of arrival-time…”
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Ensemble Modeling of CMEs Using the WSA–ENLIL+Cone Model by Mays, M. L., Taktakishvili, A., Pulkkinen, A., MacNeice, P. J., Rastätter, L., Odstrcil, D., Jian, L. K., Richardson, I. G., LaSota, J. A., Zheng, Y., Kuznetsova, M. M.

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