Category:Nugget

"

• "Impulse Response Flares" and Gamma Rays
• "Superflares" on solar-type stars observed with Kepler

3

• 3D Magnetic Reconnection at a Coronal Null Point

A

• A Bad Time for Flares but a Good Time for Debris
• A Collective Study of 11 NuSTAR Microflares
• A Cool Star Flare Reveals an Unexpectedly Hot Emission Component
• A Curious Sunspot Group in 2018
• A Flare in 3D
• A Glasgow geomagnetic observation of a solar flare
• A Global Survey of EUV Coronal Power Spectra
• A Hot Cusp-Shaped Confined Solar Flare
• A Lasso Model for Solar Gamma-ray Events
• A New Day Dawns
• A Non-PFSS Global Coronal Model
• A PSP Perihelion
• A Pion Event
• A Record-Setting CMEless Flare
• A STEREO/RHESSI Flare at Solar Minimum
• A Shocking Type II
• A Significant Sudden Ionospheric Disturbance Associated with a Massive Gamma-ray Burst
• A Solar FRB
• A Solar Hard X-Ray Halo: Exploring the Quiet Sun 2
• A Sunspot from Cycle 25 for sure
• A Two-ribbon White-light Flare Associated with a Failed Solar Eruption
• A Wonderful Cycle 24 Flare
• A coronal magnetic flare precursor...
• A demonstration of STIX hard X-ray imaging spectroscopy capabilities for an X-class flare (SOL2021-10-28)
• A flare in the deep solar atmosphere
• A hard wee flare observed with RHESSI and Hinode/XRT
• A huge gamma-ray burst
• A last best active region
• A myriad of microflares
• A new development in the Frost-Dennis paradigm
• A possible coronal magnetic flare precursor
• A remarkable, but confused, coronal hard X-ray source
• A slow HOPE with microwave context
• A solar X-ray dentist mirror
• A solar flare driven by thermal conduction observed in mid-infrared
• A tiny white-light flare
• Above-the-Looptop Sources
• Abundances in Solar Flares
• Acceleration of fast halo CMEs & synchronized flare HXR bursts
• Acceleration without Heating
• Acceleration-region Densities
• Albedo and the modification of RHESSI results
• An Alternative View of the Masuda Flare
• An Fe Cascade
• An Unreported White-light Prominence
• An energetic pre-flare: electron distributions in magnetic reconnection outflows
• Anisotropy of RHESSI hard X-ray emission
• Annealing RHESSI for the first time
• Annihilation of Positrons
• Antipodal Flares
• Are stellar flares like solar flares?
• At last, the EUV Spectrum
• Aurora-like Radio Emission from a Sunspot
• Awesome Stellar Flare Spectra

B

• BARREL Balloon Observations and History
• Back from the Far Side
• Bastille Day 2017
• Bastille day encore 2005
• Birth of a dense flaring loop
• Black and White Flares
• Blue-wing enhancement of the Mg II h and k lines in a flare
• Bouncing Thick-Target Coronal X-Ray Sources
• Bouncing motions of fast electrons using Nobeyama Radioheliograph
• Bridging solar flares to coronal mass ejections

B cont.

• Brilliant Timing
• Broad symmetrical Doppler-shifted Fe XXI line profiles
• Broken-up hard X-ray spectra found for a loop-top source during a solar limb flare
• Browse the RHESSI data!
• Burst-on-Tail (BOT)
• But there was a bigger one

C

• CMEless Flares
• CMEs on young, solar-type stars
• CORONAS/SPIRIT Mg XII and Nanoflares
• Can magnetic reconnection cause solar rainstorms?
• Carl Størmer
• Chree Analysis for Flares
• Chromospheric Plasma Parameters
• Circular Ribbon Flare at Microwaves
• Cloudy SolarSoftware
• Collapsing Traps
• Confined Flares versus Eruptive Flares
• Confined or Eruptive?
• Converging Fields and Return Currents
• Coronal Bright Points
• Coronal Hard X-ray Sources Revisited
• Coronal gamma-ray sources in giant solar flares
• Coronal hard X-rays and gamma-rays
• Coronal implosion
• Coronal nanoflares powered by footpoint reconnection
• Cosmic Rays over the Rainbow Bridge
• Cycle 24
• Cycle 24 - don't panic yet!
• Cycle 24 - time to panic
• Cycle 24 has begun
• Cycle 25 Strikes Again

D

• DIY spectroscopy: Analyzing AIA diffraction patterns
• Daily solar mm-observations at Aalto University Metsähovi Radio Observatory
• Data-driven radiative hydrodynamic modeling of SOL2014-03-29
• Decimetric pulsations and coronal X-ray sources
• Dense Loop Flares
• Diagnostics of Spatially-Extended Turbulent Acceleration and Transport
• Did a Solar Flare Accelerate all the Ambient Electrons in the Coronal Acceleration Region?...
• Dimmings and Sustained Gamma-Ray Events
• Dips and Waves
• Disk Occultation of a Lopsided Sun
• Do Hot Onsets Predict Flare Magnitudes?
• Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?
• Do slow waves trigger pulsations in two-ribbon flares? An observational search
• Do solar decimetric spikes originate in coronal X-ray sources?
• Double Coronal Hard X-ray Source
• Double Coronal X-ray and Microwave Sources Associated With A Magnetic Breakout Solar Eruption
• Dynamic Processes of the Moreton Wave on 2014 March 29

E

• EIT Waves - Cadence issues
• EOVSA Coverage of a Recent Gamma-Ray Flare
• EUNIS Sees Pervasive Faint Fe XIX Emission: Evidence for Nanoflare Heating
• EVE-RHESSI DEM Models and the Low-energy Cutoff for Nonthermal Electrons
• EVE/ESP and the Neupert Effect
• Edward Chupp
• Effects of Coronal Structures on the Dynamics of the Global Coronal Wave of SOL2017-09-10
• Effects of Flares on Solar p-modes
• Electric Current Neutralization and Eruption
• Electric Current Neutralization and Solar Eruption in Active Regions
• Electron Scattering in the Flaring Corona
• Electron acceleration and hard X-ray emission from SOL2013-11-09
• Electron re-acceleration and HXR emission
• Elementary Flares
• Empirical Constructs and Cartoons
• Energetic Neutral Hydrogen from Large Solar Flares
• Energy Partition in Large Solar Eruptive Events
• Energy Partitioning in a Nonthermally Dominated Two-loop Solar Flare
• Energy goes up... but doesn't come back down! Coronal heating?

E cont.

• Energy transport by accelerated particles in the quiet solar atmosphere
• Evidence for a Coronal Shock Wave Origin for Relativistic Protons Producing Solar Gamma-Rays and Observed by Neutron Monitors at Earth
• Exploring the Quiet Sun 1
• Extreme events, stellar evolution, and magnetic reconnection
• Extreme-Ultraviolet Late Phase of Solar Flares

F

• FLUKA as a tool for interpreting flare gamma-rays
• FOXSI Success
• Faculae and microflares
• Fast Prograde Flows in Solar Active Regions
• Fast electron recombination: a neglected HXR source
• Fast electrons relaxing
• Fifty-year Anniversary of the First Detection of Gamma rays from a Solar Flare
• Fine Structure in Flare Soft X-ray Light Curves
• First Detection of Kink Oscillations with Solar Orbiter
• First Sunquake of Solar Cycle 24 Observed by Solar Dynamics Observatory
• First look at ALMA/HInode/IRIS microflares
• Flare Coronal Rain
• Flare Heating by Mildly Non-thermal Particles
• Flare Loop Asymmetries
• Flare Nimbus
• Flare Observations of the EUV Continua
• Flare Observed by a Dozen Instruments
• Flare Plasma Abundances - New X-ray Observations
• Flare Productivity
• Flare Pulsation and the Heliosphere
• Flare waiting times depend on their magnitudes
• Flare-induced Impulsive Sunspot Rotation caught in High Resolution
• Flare/CME Cartoon Archive
• Footpoint motions and what we can learn from them
• Free-bound continuum: basics

G

• GOES Hard X-rays?
• Gamma rays and Doppler shifts
• Glasgow Callisto and CMEless type II bursts
• Glasgow Callisto optimistic: first light comes in focus

H

• HESSI and Type III Radio Bursts
• Hard X-ray Directivity Measurements with STIX and MiSolFA
• Hard X-ray Emission along H-alpha Ribbons
• Hard X-ray Emission from Partially Occulted Solar Flares
• Hard X-ray Footpoint Asymmetry
• Hard X-ray Polarimetry from Tian Gong 2
• Hard X-ray Pulsations in Flares
• Hard X-ray Pulsations via Gaussian Decomposition
• Hard X-ray Spikes Observed by RHESSI
• Hard X-rays and Sympathy
• Hard X-rays from a jet?
• Hard X-rays in Descent
• Harmonic Oscillations
• Heating of the solar photosphere during a white-light flare
• High Dispersion Spectroscopy of solar-type superflare stars
• High Energies in the Inner Heliosphere
• High Resolution Temporal and Spatial Structure of a White Light Flare
• High Temperatures in Active Regions
• High-energy Electrons and Electric Currents during a Flare
• Highly significant detection of solar neutrons
• Hinode/SOT Observations of Flare Ribbons
• History of Solar Oblateness
• Homing in on Flare Energy
• Homologous CME/flares from AR 12371
• Homologous White Light Solar Flares
• Hot Flare Onsets
• How does RHESSI make images?
• How to better determine the power in non-thermal electrons from observed X-ray spectra
• Hunting for Hidden Tiny Flares

I

• Imaging Quasi-Periodic Oscillations in a Simple Flare
• Imaging through visibility interpolation: uv-smooth
• Impact of nanoflare heating in the lower solar atmosphere