Comet Lovejoy deposits 10^14-10^16 W via SPMI, below the 10^17 W brightening intensity but potentially able to trigger solar flares as a magnetic perturbation.
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29 Pith papers cite this work, alongside 4,155 external citations. Polarity classification is still indexing.
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astro-ph.SR 29representative citing papers
A forward-modeling correction using real-time lens imaging reduces dust stray-light noise by 67% and restores expected coronal intensity profiles in ground-based data.
Periodic beaded stripes in meter-wave solar radio bursts are modeled via DPR instability to constrain source magnetic fields to 0.2-1.7 G and densities to (1-7)×10^8 cm^{-3}.
New EIS effective area curves confirm factor-of-two long-wavelength degradation without fine structure and reveal inverse FIP bias with Fe/H at 0.57 of photospheric value at 10 MK, confirmed by Chandrayaan-2 SXM spectra.
NuSTAR observations of 113 faint solar X-ray transients show they are cooler and dimmer than RHESSI microflares, with quiet-Sun events having lower energies and no cases above 3x10^27 erg.
Compact C-class solar flares with U-shaped or fan-spine magnetic structures produce white-light emission at rates near 100%, while flux-emergence types do so at only 33% and no B-class compact flares showed it.
In the 2022 March 31 solar flare, hard X-ray QPPs correlate with UV pulsations in stationary ribbon regions tied to a specific loop system in a large-scale 3D reconnection structure, while slipping kernels experience weaker non-thermal energization.
FOXES is a Vision Transformer framework that predicts solar soft X-ray irradiance from EUV observations with 0.051 dex mean absolute error while providing spatial attribution of emission sources.
Non-force-free initial magnetic fields in solar flare simulations release about twice the magnetic energy and yield EUV emission closer to observations than conventional NLFF extrapolations.
Realistic 3D MHD modeling of observed active region AR 11166 reproduces key observed properties of quasi-periodic fast propagating magnetosonic waves with improved qualitative agreement over idealized setups.
Observations of coronal rain downflows reveal preceding compressions, microflare-scale impact energy, hot rebound flows carrying under 15% of kinetic energy, and footpoint heating signatures matching TNE-TI cycles.
Analysis of the September 6, 2011 coronal wave with the SOLERwave multi-sector method reveals over 40% speed variation (750-1500 km/s) between northward and northwestward segments, attributed to differences in magnetosonic speed from an MHD solution.
Composite three-channel preprocessing of SDO/AIA images yields a YOLOv5 prominence detector with mAP@50 of 0.749 and 78% recall that also generalizes to SUVI data.
CME interaction with the HCS locally replaced the current sheet and produced a >48-hour magnetic sector transition observed near Earth in October 2024.
Leading boundary of a coronal hole has higher plasma temperature, stronger unipolar field, and lower spatial irregularity than trailing boundary due to organized loops versus dispersed bipoles.
Data-constrained 3D modeling of the 2011 August 4 flare reveals strong polarity asymmetry in electron precipitation driven by magnetic mirror ratios, with turbulent scattering and Coulomb collisions modulating the energy-dependent flux.
New observations of ~160 s VLPs in metric type-I bursts show spatiotemporal correlation with ~170 s oscillations in sunspot umbrae, supporting modulation by slow magnetoacoustic waves via plasma emission.
SEUSHI is a compact dual-mode instrument that delivers 1-arcmin temperature maps every 5 seconds plus 0.2-nm EUV spectra and photon-counting SXR spectroscopy to study flare initiation and elemental abundances.
Confined flares exhibit total Lorentz force change below 1.8 × 10^22 dyne along the PIL, separating them from eruptive flares in a sample of 37 major events observed 2011-2017.
Network regions with more compact positive-polarity magnetic features produce both visible coronal plumes and higher, faster transition-region jets.
New GST and SDO observations of bidirectional plasma jets in a sunspot link them to magnetic reconnection triggered by rising filamentary material interacting with horizontal magnetic loops.
Persistent same-polarity flux emergences drove collisional shearing and cancellations at a PIL, accumulating free energy and forming MFRs that produced multiple large flares including X9.0, with a pre-flare drop in photospheric free-energy area as a possible precursor.
Long-term 17 GHz microwave polar brightening shows strong correlations with polar coronal hole area and polar magnetic field strength.
MHD modeling of the 2024 October 26 CME demonstrates that specific pre-eruptive magnetic flux rope footpoint locations and near-real-time background fields are required to reproduce observed complex morphology from multiple viewpoints without fine-tuning.
citing papers explorer
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Forward Modeling of Dust-Induced Stray Light in Ground-Based Coronagraphs: A Dual-Path Monitoring Approach for High-Precision Inner Corona Observations
A forward-modeling correction using real-time lens imaging reduces dust stray-light noise by 67% and restores expected coronal intensity profiles in ground-based data.
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Energetics and Emission in a Simulated Solar Flare Initialised by a Non-Force Free Magnetic Field
Non-force-free initial magnetic fields in solar flare simulations release about twice the magnetic energy and yield EUV emission closer to observations than conventional NLFF extrapolations.
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Compression, Impact and Hot Rebound Flows from Coronal Rain Downflows
Observations of coronal rain downflows reveal preceding compressions, microflare-scale impact energy, hot rebound flows carrying under 15% of kinetic energy, and footpoint heating signatures matching TNE-TI cycles.
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On the relation between transition region network jets and coronal plumes
Network regions with more compact positive-polarity magnetic features produce both visible coronal plumes and higher, faster transition-region jets.
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Evolution of reconnection flux during eruption of magnetic flux ropes
3D MHD simulation of successive flux-rope eruptions shows reconnection flux accumulating linearly with CME velocity, consistent with HMI/AIA observations of one event.