Results 11 to 20 of about 205 (182)
Coronal Streamers Revealed during Solar Eclipses: Seeing is not Believing, and Pictures Can Lie [PDF]
i-Perception, 2011 For those fortunate enough to have personally witnessed and photographed the visible corona surrounding the Sun during a solar eclipse, pictures are usually a let down for not living up to the visual view.
Richard Woo
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Oxygen abundance in coronal streamers during solar minimum [PDF]
Annales Geophysicae, 2001 We present a study of the oxygen abundance relative to hydrogen in the equatorial streamer belt of the solar corona during the recent period of activity minimum.
D. Marocchi +3 more
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Sources of solar wind over the solar activity cycle [PDF]
Journal of Advanced Research, 2013 Fast solar wind has been recognized, about 40 years ago, to originate in polar coronal holes (CHs), that, since then, have been identified with sources of recurrent high speed wind streams.
Giannina Poletto
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Interchange reconnection dynamics in a solar coronal pseudo-streamer [PDF]
Astronomy & Astrophysics, 2023 Context.The generation of the slow solar wind remains an open problem in heliophysics. One of the current theories among those aimed at explaining the injection of coronal plasma in the interplanetary medium is based on interchange reconnection. It assumes that the exchange of magnetic connectivity between closed and open fields allows the injection of
Pellegrin-Frachon, T. +4 more
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The Initiation of a Solar Streamer Blowout Coronal Mass Ejection Arising from the Streamer Flank [PDF]
The Astrophysical Journal Letters, 2020 Abstract Streamer blowout (SBO) coronal mass ejections (CMEs) represent a particular class of CMEs that are characterized by a gradual swelling of the overlying streamer and a slow CME containing a flux-rope structure. SBO CMEs arising from the streamer flank fall into a special category of SBO CMEs involving three lower arches under the
Ruisheng Zheng, Yao Chen, Bing Wang
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The Astrophysical Journal, 2023 This paper is dedicated to the new implicit unstructured coronal code COCONUT, which aims at providing fast and accurate inputs for space-weather forecasting as an alternative to empirical models.
Barbara Perri +7 more
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Three-dimensional multi-fluid model of a coronal streamer belt with a tilted magnetic dipole [PDF]
Annales Geophysicae, 2015 Observations of streamers in extreme ultraviolet (EUV) emission with SOHO/UVCS show dramatic differences in line profiles and latitudinal variations in heavy ion emission compared to hydrogen Ly-α emission. In order to use ion emission observations of
L. Ofman +6 more
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Data-Driven Classification of Coronal Hole and Streamer Belt Solar Wind [PDF]
Solar Physics, 2020 AbstractWe present two new solar wind origin classification schemes developed independently using unsupervised machine learning. The first scheme aims to classify solar wind into three types: coronal-hole wind, streamer-belt wind, and ‘unclassified’ which does not fit into either of the previous two categories.
Téo Bloch +4 more
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The Astrophysical Journal, 2023 Parker Solar Probe (PSP) crossed the heliospheric current sheet (HCS) near the perihelion on encounters E8 and E11, enabling the Wide-field Imager for Solar Probe (WISPR) to image the streamer belt plasma in high resolution while flying through it.
Paulett C. Liewer +7 more
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The Astrophysical Journal Supplement Series, 2023 In this paper, we employ a Harten–Lax–van Leer (HLL) generalized Riemann problem (HLL-GRP) solver within the framework of a finite volume method to model 3D solar coronal structures for the first time.
Mengqing Liu +3 more
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