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3
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
- 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?
- 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
F cont.
- 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
- Implosion and Oscillation
- Impulsive and Gradual Eruptive Gamma Flares and Associated CMEs
- Initiation of a type II radio burst without a CME
- Instantaneous Flare Properties
- Introducing SunSketcher
- Inverse Compton X-rays from relativistic flare leptons
- Investigation of Small-Scale Energy Releases in Hard X-rays with FOXSI
- Ionospheric Effects, Flare History, and Dick Donnelly
- Is the coronal magnetic field braiding?
- Is there HOPE for Hyder flares...
J
- John Brown and the thick-target model
- Joint MinXSS and RHESSI Flare X-ray Spectra between 1 and 15 keV
- Just how bursty is X-ray data?
K
- KW-Sun: The Konus-Wind Solar Flare Database in Hard X-Ray and Soft Gamma-Ray Ranges
- KW-Sun: The Konus/WIND Hard X-ray Solar Flare Database
- Kappa Distribution
- Kernels and Ribbons
- Kristian Birkeland
L
- Late-phase particle acceleration
- Linear Polarization in H-alpha Flares
- Localized Microwave and EUV Bright Structures in an Eruptive Prominence
- Lorentz Force Evolution Reveals the Energy Build-up Processes during Recurrent Eruptive Solar Flares
M
- M is for Magnifique
- M is for Magnifique Part Deux
- Magnetic fields in active regions
- Major Flare Watch Evaluation
- Manifold Nonthermality
- Mars Odyssey/HEND and RHESSI
- Microflares in Sectors
- Microwave Emission from Twisted Magnetic Fields
- Microwave Images of a Single-Loop Flare: Observations and Simulations
- Microwave Imaging Spectroscopy of Flares is Here
- MinXSS and RHESSI measure flare spectra over 1-15 keV
- Minoflares
- Modelling spatially resolved X-ray polarization
- Multi-Instrument Solar Flare Observations I: Solar Flare Finder
- Multi-Instrument Solar Flare Observations II: A SC24 retrospective
- Multi-thermal delays
- Multiple Regions of Shock-accelerated Particles during a Solar Coronal Mass Ejection
- Mysteries of Flare/CME Initiation
N
- Narrowband radio signal correlated with early hard X-ray flux during a microflare
- Negative He 10830 Flare Ribbons and Non-thermal Electrons
- Negative Microwave Bursts
- Neutron Production in Solar Flares
- Neutron starquake shakes RHESSI
- New TGFs Found in the RHESSI Data
- New Views of Global Solar Magnetic Field Evolution Over Four Solar Cycles
- No Hard X-rays from Comet Lovejoy
- Non-Maxwellian Diagnostics from SDO/EVE Spectra of an X-class Flare
- Non-radial jets on the edges of active regions
- Non-thermal recombination in solar flares and microflares
- Nonequilibrium Ionization of Flare Plasma Observed by Hinode/EIS
- Novel X-ray Spectrograms
- NuSTAR detects X-ray flares in the quiet Sun
O
- Observation of Cosmic Ray Spallation Events from SoHO
- Observational evidence for breakout reconnection
- Observing Solar Flare X-ray Polarization with Prospective CubeSat Missions
- Observing the Crab Nebula
- Octupolar out-of-plane magnetic field structure generation during magnetic reconnection
- On the Correlation of HXR and WL Emission in Solar Flares
- One small step for a photon...
- Other Discoveries from Carrington's Flare
P
- PFSS, SEPs, and RHESSI
- Parameterized Flare Models with Chromospheric Compressions
- Particle Acceleration due to a Plasmoid-Looptop Collision
- Particle Acceleration in Two Coronal Jets
- Passages of Electron Beams
- Peristaltic Shocks: a model
- Persistent Quasi-Periodic Pulsations Detected During the Large X8.2 Solar Flare
- Phenomena in the unusually long pre-impulsive phase of SOL2011-06-07
- Photospheric Electric Fields and Energy Fluxes in the Eruptive Active Region NOAA 11158
- Photospheric Temperature Gradient
- Photospheric response to a flare
- Pierre Kaufmann
- Pre-impulsive and Impulsive Phases of the March 28, 2022 Sub-Terahertz Flare
- Precise timing of flare footpoint sources from mid-infrared observations
- Prediction of Solar Cycle 25
- Probing chromospheric current sheets using SST and ALMA co-observations
- Probing the solar coronal heating function with slow magnetoacoustic waves
Q
- Quantum of Solar
- Quasi-Periodic Pulsations: Fermi/GBM Results
- Quasi-periodic pulsations as indicators of oscillatory processes in solar flares
- Quiet Sun III
R
- RHESSI - Concept to Fruition
- RHESSI Catches Gamma-Ray Bursts
- RHESSI Deep Integrations
- RHESSI Detection of X-ray Emission from a Quiet-Sun Filament Eruption
- RHESSI Optical Images
- RHESSI Resumes Observations
- RHESSI Simulations of Complicated Flares
- RHESSI Visibilities
- RHESSI and General Relativity
- RHESSI and IRIS
- RHESSI and quasi-periodic pulsations
- RHESSI and submillimeter waves
- RHESSI and tether-cutting
- RHESSI and the Megamovie
- RHESSI and the Transit of Venus I
- RHESSI and the Wilson effect
- RHESSI has resumed operations
- RHESSI in Cycle 24
- RHESSI is Annealing Now
- RHESSI microflares - Flare Cartoons and Reality
- RHESSI observes a magnetar
- RHESSI's 15th Anniversary
- RHESSI's 5th Anneal
- RHESSI's Anneal Adventure
- RHESSI's Re-entry
- RHESSI's Tenth Anniversary
- RHESSI, Hinode, and Spin
- Radiation damage
- Radio Emissions from Double RHESSI TGFs
- Radio polarization signatures in twisted flare loops
- Rapid variations of Si IV spectra in a flare observed by IRIS at a sub-second cadence
- Reflection of Coronal Global Waves
- Rejuvenating Solar Flare Termination Shocks as Particle Accelerators
- Relation of Non-neutralized electric currents and the activity in active regions
- Relative and (maybe) Absolute RHESSI Detector Efficiency: 2002-2008
- Remembering John Brown
- Remembering Marcos Machado via his research
R cont.
- Resolving two distinct thermal X-ray components in a compound solar flare
- Return currents and soft-hard-soft spectral evolution
- Return-current Model Spectra and Enhanced Plasma Resistivity
- Revisiting the SHH and SEP Link
- Ribbon-like hard X-ray source
- Richard Schwartz
S
- SDO EVE Flare Observation
- SEPs Link not Confirmed
- SOL2013-11-10 Eruptive Circular-ribbon Flare with Extended Remote Brightenings
- SOL2017-09-04 (M5.5) 2017 as a Source of Relativistic Electrons and Protons
- STEREO observations of flares and their associations with CMEs
- STEREO observed stealth CME
- STIX, the Hard X-Ray Telescope on board Solar Orbiter
- Saturation of Nonthermal Hard X-ray Emission in Solar Flares
- Scattered Light: Inverse Compton Scattering and Coronal Hard X-ray Sources
- Scattering Polarization in Solar Flares
- Search for a Flare Anticipation Index (FAI)
- Searching SOLfully within the Nuggets
- Sector Boundaries and RHESSI Flares
- Self-Consistent Flare Model
- Short-Period Waves
- Sixty-Five Years of Solar Radioastronomy
- Slow Magnetoacoustic Waves in Two-Ribbon Flares
- Slowly but surely towards the huge amount of energy I
- Slowly but surely towards the huge amount of energy II
- Small is steep
- Soft X-ray emission in kink-unstable coronal loops
- Soft and Hard X-rays, Flares, and the Corona
- Soft-Hard-Harder
- Solar Cosmic Rays of the GLE on 20 January 2005
- Solar Cosmic Rays, Neutrons, and Fermi Gamma-Rays
- Solar Cycle 24 at hand!
- Solar Electron Events
- Solar Hard X-ray Albedo
- Solar Hard X-rays with Insight
- Solar Max Arrives
- Solar Physics during the March 2015 Solar Eclipse
- Solar X-rays from axions
- Solar effects in the local interstellar medium
- Solar energetic electron events over one solar cycle
- Solar flare hard X-rays from the anchor points of an eruptive filament
- Solar flare neutrons observed on the ground and in space
- Solar flares: evaporation and simulation
- Solar radiation belts?
- Spatial Distribution of Magnetic Reconnection Rate in an M6.5 Solar Flare
- Spatio-Temporal Dynamics of Flare Hard X-ray Pulsations
- Spectral Evolution in Stochastic Acceleration Models
- Spectropolarimetric Insight into Plasma-Sheet Dynamics of a Solar Flare
- Spotlessness returns
- Statistical Link Between Electrons Emitting X-rays and Type III Radio Bursts
- Statistical study of Type III bursts and associated HXR emissions
- Stealth Coronal Mass Ejections from Active Regions
- Stellar Flares and Starspots
- Submerged Flare Acoustic Sources
- Submillimeter Radiation as the Thermal Component of the Neupert Effect
- Subsecond Spikes in Solar Flare X-ray Flux as Seen by Fermi GBM
- Sun-as-a-star Analysis of the M8.7 Flare on 2022 October 2 Using H-alpha and EUV Spectra Taken by SMART/SDDI and SDO/EVE
- Sun-as-a-star spectroscopic observations of the line-of-sight velocity of a solar eruption on October 28, 2021
- Sunquakes: Seismic Transients from Solar Flares
- Sunspot Differential Rotation in an X-class Flare
- Suppression of Hydrogen Emission in an X-class White-light Solar Flare
- Supra-Arcade Downflows
- Suzaku Microflares
- Syrovatskii's "constant density" approximation
T
- TeV Gamma rays from the Quiescent Sun
- Tecumseh's Eclipse and Astrophysics
- Temporal and Spatial Characteristics of Hard X-Ray Sources in Flare Model with Vertical Current Sheet
- Test-20201018
- The "Last Best" Flares
- The 15.11 MeV Gamma-ray Line Detected?
- The 1859 Space Weather Event Revisited
- The 3D standard model for eruptive flares
- The Alfven Speed above a Sunspot, and Gamma-rays
- The Balmer continuum observed from IRIS!
- The Cosmic-Ray Shadow and Coronal Magnetism
- The Curious First Sunquake of Solar Cycle 25
- The Evaporating Sun
- The Fastest Flare
- The Fe and Fe/Ni line features I
- The Fe and Fe/Ni line features II
- The Flare that Time Forgot
- The Flares of the RHESSI Monograph
- The Formation of Kappa Distributions in Solar Flares
- The Good Guys and the Rascals
- The Greatest GOES Flares
- The HEROES Mission: High Energy Replicated Optics to Explore the Sun
- The Halloween Flares and Large-Scale Correlations
- The IAU Solar Target Identifier - A Good Thing
- The Interesting RHESSI/SAS Archive
- The Jakimiec Diagnostic Diagram
- The Jakimiec Track
- The Kelvin Force and Loop-Top Concentration
- The Last Best Flare of Cycle 24?
- The Low-High-Low Starting Frequency Trend in Groups of Type III Bursts
- The M5.5 Solar Flare on September 4, 2017 as a Source of Relativistic Electrons and Protons
- The McClymont Jerk
- The Morphology of Flare Time Profiles
- The Neupert Effect Revisited
- The Next Generation - FOXSI
- The Post-Burst Increase
- The Power of Turbulence
- The RHESSI Flare Catalog
- The RHESSI fifth anniversary: X-flares persist!
- The Redistribution of Nonthermal Electron Energy
- The Rise and Fall of The Low Energy Cut Off
- The Slowest Flare
- The Solar X-ray Limb II
- The Solar X-ray Limb III
- The SphinX Instrument on CORONAS-PHOTON
- The Superflare SOL2017-09-06: from submm to mid-IR
- The Temporal and Spatial Extension of Gamma-ray Emission from the Sun
- The X-ray Limb
- The coronal magnetic field 1
- The flight of FOXSI-3
- The microflare Height Distribution
- The true dawn of multimessenger astronomy
- Thermal X-ray Continuum - Free-Free or Free-Bound?
- Thermal/Nonthermal with MinXSS and RHESSI
- Thomson scattering near sunspots
- Three is company
- Three-phase life leads to corpulent X-ray loops
- Thunderstruck
- Time Profiles of Solar Flare Densities
- Time delay between HXR and Gamma-rays
- To Beam or not to beam - that is (still) the question
- To be or not to be - the role of projection effects in EUV imaging
- To beam or not to beam - that is (still) the question
- Too few? Too many?
- Tracing the sources of gradual solar energetic particle events
- Two phases of X-ray emission in a solar eruptive flare
- Two-stage SEE Shows Reconnection
U
- Understanding HMI pseudocontinuum in white-light flares
- Understanding the co-spatial return current in solar flares
- Undetected Minority-polarity Flux, Moss, and Coronal Heating
- Unexpected Asymmetry in GeV Emission
- Unexpected intensity distributions of solar electrons in the heliosphere
- Unusual Type III Burst Dynamics Produced by Diverging Magnetic Fields
- Using overlappogram data to find hot flare plasma
V
W
- WATCH - a RHESSI precursor
- Waiting Times of Solar Hard X-Ray Flares
- Warm UV loops heated by small-scale cancellation events
- Waving goodbye to a standard model
- What drives impulsive coronal heating?
- What goes up, first comes down
- What is there before the flare?
- When it rippled in one place and exploded in another
- When the Earth’s atmosphere becomes dynamic…
- Where are the flares
- Which are more powerful, flares or CMEs?
- Which detectors can I use to analyze this flare?
- White-light Emission and Non-thermal Electrons
- White-light Flares
- White-light emission and photospheric magnetic field changes in flares
