Results 21 to 30 of about 4,310 (287)
Dynamics of Threads Wrapping a Filament's Leg Prior to the Eruption on 2021 October 28
The Astrophysical Journal, 2023 Although the magnetic field structures of solar filaments have been studied for several decades, the detailed evolution of the structure around a filament prior to its eruption is rarely observed. On 2021 October 28 in AR 12887, a major solar flare (X1.0
Yue Fang, Jun Zhang, Yi Bi, Zhiping Song
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Midterm periods of solar filaments [PDF]
Journal of Geophysical Research: Space Physics, 2014 Abstract On the basis of the Carte Synoptique catalogue of solar filaments from March 1919 to December 1989, we measure power spectra of detrended full‐disk (FSFNs, latitudinal bands: 0 ∘ –90 ∘ ), low‐latitude (LSFNs, latitudinal bands:
Peng Zou, Qixiu Li
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Filaments and the Solar Dynamo [PDF]
International Astronomical Union Colloquium, 1998 AbstractFilaments are a global phenomenon and their formation, structure and dynamics are determined by magnetic fields. So they are an important signature of the solar magnetism. The central mechanism in traditional mean-field dynamo theory is the alpha effect and it is a major result of this theory that the presence of kinetic or magnetic helicities ...
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Quantification of the Writhe Number of the Evolution of Solar Filament Axes
The Astrophysical Journal, 2023 Solar filament eruptions often show complex and dramatic geometric deformation that is highly relevant to the underlying physical mechanism triggering the eruptions.
Zhenjun Zhou +5 more
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Automatic detection of limb prominences in 304 A EUV images [PDF]
, 2010 A new algorithm for automatic detection of prominences on the solar limb in 304 A EUV images is presented, and results of its application to SOHO/EIT data discussed.
Labrosse, N., Dalla, S., Marshall, S.
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The Relationship Between Sigmoids and Filaments and Verification of their Automatic Detection [PDF]
, 2014 Final presentations of the Center for Astrophysics HEA/SSP Solar Summer Intern ...
Kirschbaum, Talia (5298385) +1 more
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On rotation of solar filaments [PDF]
Proceedings of the International Astronomical Union, 2006 The study of the differential rotation law is an important issue in solar physics. Earlier studies of filaments found formulae for their differential rotation at stable existence stage. This paper relies on Big Bear Solar Observatory H-alpha filtergrams to estimate angular velocities of quiescent filaments at different stages of existence.
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Partial Eruption of Solar Filaments. I. Configuration and Formation of Double-decker Filaments
The Astrophysical Journal, 2023 Partial eruptions of solar filaments are the typical representatives of solar eruptive behavior diversity. Here we investigate a typical filament partial eruption event and present integrated evidence for the configuration of the pre-eruption filament ...
Yijun Hou +15 more
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The Sun's global photospheric and coronal magnetic fields : observations and models [PDF]
, 2012 2012LRSP....9....6M Funding: STFC, the Leverhulme Trust and European Commission’s Seventh Framework Programme (FP7/2007-2013) under the grant agreement SWIFF (project no.
Anthony Yeates +5 more
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High-altitude Spider-type Prominence above the Magnetic Null Point
The Astrophysical Journal, 2023 Rather unique observations of a high-altitude spider-type prominence in 2023 February are presented. The prominence or corresponding filament on the disk was not visible all the time but could appear and disappear in the course of a particular day ...
Boris Filippov
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