Results 1 to 10 of about 10,701,163 (203)
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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Investigating Coronal Holes and CMEs as Sources of Brightness Depletion Detected in PSP/WISPR Images
The Astrophysical Journal, 2023 The Parker Solar Probe (PSP) mission provides a unique opportunity to observe the solar corona from distances below 20 R _☉ . In this work, we utilize white light images from the Wide-field Imager for Solar PRobe aboard the PSP from solar encounters 10 ...
Guillermo Stenborg +4 more
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The Astrophysical Journal, 2023 In the first of a planned sequence of articles, we present a simple method for reconstructing radial density structures of the solar corona in the vicinity of the Parker Solar Probe (PSP) near and during perihelion passes.
K. N. Kenny +3 more
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The Astrophysical Journal, 2023 The transport of waves and turbulence beyond the photosphere is central to the coronal heating problem. Turbulence in the quiet solar corona has been modeled on the basis of the nearly incompressible magnetohydrodynamic (NI MHD) theory to describe the ...
M. S. Yalim +2 more
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Our dynamic sun: 2017 Hannes Alfvén Medal lecture at the EGU [PDF]
Annales Geophysicae, 2017 This lecture summarises how our understanding of many aspects of the Sun has been revolutionised over the past few years by new observations and models.
E. Priest, E. Priest
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An ALMA Observation of Time Variations in Chromospheric Temperature of a Solar Plage Region
Frontiers in Astronomy and Space Sciences, 2022 Nanoflares and the shock formation of magnetohydrodynamic waves in the solar chromosphere have been considered as key physical mechanisms of the heating of the chromosphere and corona.
Masashi Abe +5 more
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The Astrophysical Journal Supplement SeriesThe electron temperature of the corona is one of the key physical parameters which reflect the complexity of coronal-heating processes. L. E. Cram was the first to show that the K-coronal spectrum, produced by the scattering of the photospheric spectrum ...
Jindřich Dospiva, Hana Druckmüllerová
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Frontiers in Astronomy and Space SciencesThis study measured the polarization of the white-light corona during the total solar eclipse on 20 April 2023, which occurred under high solar activity.
Yoichiro Hanaoka +4 more
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Imaging the Solar Corona from “Within”: A Cutting-edge Approach to Enhance PSP/WISPR Imagery
The Astrophysical Journal Supplement SeriesThe unprecedented remote-sensing observations obtained by the Wide Field Imager for Solar Probe (WISPR) on board the Parker Solar Probe (PSP) from distances inside Mercury’s orbit are revolutionizing our perception of the fine-scale morphology and ...
Guillermo Stenborg +2 more
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Quantifying Turbulence as Captured in the Inner Corona in White-light Total Solar Eclipse Images
The Astrophysical Journal LettersTurbulence is a fundamental process in astrophysical plasmas, playing a key role in energy transfer and dissipation. The solar corona is thought to be heated to temperatures exceeding 10 ^6 K in part by turbulent processes.
Zachary Bailey +3 more
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