RHESSI Science Nuggets

Welcome to the [[RHESSI Science Nuggets]]: science notes from [[RHESSI]].  The following is a time-ordered list of the latest Nuggets added to the wiki.  An [[:Category:Nugget|alphabetical list of wiki Nuggets]] is also available as well as [[:Category:RHESSI Nugget List|yearly lists]]. We welcome volunteer authors - please see our page of [[Help:For_Authors| help for authors]]

|title =  Is there HOPE for Hyder flares...

|number = 468

|first_author = Hugh HUDSON

|publish_date = 15 March 2024

|description = Filament eruptions/Hyder flares/<i>disparitions brusques</i> may all show HOPE

|image=Icon468.png}}

|title = 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

|number = 467

|first_author = Takato OTSU

|publish_date = 19 February 2024

|description = Whole-Sun spectroscopic observations can readily detect ejecta

|image=Icon467.png}}

|title = Unexpected Asymmetry in GeV Emission

|number = 466

|first_author = Bruno ARSIOLI and Elena ORLANDO

|publish_date = 15 January 2024

|description = The high-energy solar gamma radiation shows inexplicable but fascinating properties

|image=Icon466.png}}

|title = When it rippled in one place and exploded in another

|number = 465

|first_author = Ivan ZIMOVETS

|publish_date = 25 December 2023

|description = Pulsations precede a flare, but seem unrelated

|image=Icon465.png}}

|title = Solar flares: evaporation and simulation‎

|number = 464

|first_author = Malcolm DRUETT

|publish_date = 18 December 2023

|description = Fitting beam electrons into multi-dimensional models

|image=Icon464.png}}

|title = Pre-impulsive and Impulsive Phases of the March 28, 2022 Sub-Terahertz Flare

|number = 463

|first_author = Galina G. MOTORINA

|publish_date = 11 December 2023

|description = A flare with an increasing sub-THz spectrum and sub-THZ precursor information

|image=Icon463.png}}

|title = Coronal Bright Points

|number = 462

|first_author = Daniel N&Oacute;BREGA-SIVERIO

|publish_date = 27 November 2023

|description = Bright EUV rowel-like structures can result from null-point reconnection

|image=Icon462.png}}

|title = Aurora-like Radio Emission from a Sunspot

|number = 461

|first_author = Sijie YU

|publish_date = 20 November 2023

|description = Maser action above a sunspot

|image=Icon461.png}}

|title = Search for a Flare Anticipation Index (FAI)

|number = 460

|first_author = Hugh HUDSON

|second_author = and Jim McTiernan

|publish_date = 13 November 2023

|description = Quantifying flare precursors on a few-minute time scale

|image=Icon460.png}}

|title = Bouncing motions of fast electrons using Nobeyama Radioheliograph

|number = 459

|first_author = Keitarou MATSUMOTO

|publish_date = 6 November 2023

|description = Solar evidence for conservation of second adiabatic invariant in particle motion

|image=Icon459.png}}

|title = Impact of nanoflare heating in the lower solar atmosphere

|number = 458

|first_author = Helle BAKKE

|publish_date = 30 October 2023

|description = The behavior of nanoflare fast electrons in Bifrost models

|image=Icon458.png}}

|title =   Precise timing of flare footpoint sources from mid-infrared observations‎

|number = 457

|first_author = Paulo SIM&Otilde;ES et al.

|publish_date = 23 October 2023

|description = Mid-IR observations at high spatial and high temporal resolution: Conjugacy

|image=Icon457.png}}

|title =   The Greatest GOES Flares‎

|number = 456

|first_author = Hugh HUDSON

|second_author = and Ed CLIVER

|publish_date = 25 September 2023

|description = The greatest GOES events, re-analyzed, fall short of expectations

|image=Icon456.png}}

|title =   Introducing SunSketcher

|number = 455

|first_author = Hugh HUDSON

|second_author = and Gordon EMSLIE

|publish_date = 11 September 2023

|description = Galloping towards roundup in the 2024 total solar eclipse

|image=Icon455.png}}

|title =   TeV Gamma rays from the Quiescent Sun

|number = 454

|first_author = Mehr Un NISA

|second_author = and John BEACOM

|publish_date = 21 August 2023

|description = Solar photons at unprecedented high energies

|image=Icon454.png}}

|title =   Temporal and Spatial Characteristics of Hard X-Ray Sources in Flare Model with Vertical Current Sheet

|number = 453

|first_author = Alexander SHABALIN, Eugenia OVCHINNIKOVA,

|second_author = and Yuri CHARIKOV

|publish_date = 7 August 2023

|description = Modeling betatron acceleration in current-sheet development.

|image=Icon453.png}}

|title =   Spatial Distribution of Magnetic Reconnection Rate in an M6.5 Solar Flare

|number = 452

|first_author = Ju JING

|publish_date = 12 June 2023

|description = Linking hard X-rays to high-resolution images that show reconnection rates.

|image=Icon452.png}}

|title =   Statistical study of Type III bursts and associated HXR emissions

|number = 451

|first_author = Nicole VILMER and Tomin JAMES

|publish_date = 29 May 2023

|description = Linking electron populations escaping from the Sun with those that RHESSI detects.

|image=Icon451.png}}

|title =   Solar flare hard X-rays from the anchor points of an eruptive filament

|number = 450

|first_author = Muriel STIEFEL

|publish_date = 15 May 2023

|description = A rare "four-ribbon" flare has been detected in hard X-rays.

|image=Icon450.png}}

|title =   Did a Solar Flare Accelerate all the Ambient Electrons in the Coronal Acceleration Region?...

|number = 449

|first_author = Gordon EMSLIE, Eduard KONTAR,

|second_author = Galina MOTORINA, and Brian DENNIS

|publish_date = 1 May 2023

|description = Considering SOL2017-09-10, probably not.

|image=Icon449.png}}

|title =   Diagnostics of Spatially-Extended Turbulent Acceleration and Transport

|number = 448

|first_author = Morgan STORES

|publish_date = 24 April 2023

|description = Drilling down into the detailed structure of solar-flare energy release by including turbulence with particle acceleration.

|image=Icon448.png}}

|title =   RHESSI's Re-entry

|number = 447

|first_author = Pascal SAINT-HILAIRE and

|second_author = Hugh HUDSON

|publish_date = 17 April 2023

|description = The final demise of RHESSI is this week

|image=Icon447.png}}

|title =   A Glasgow geomagnetic observation of a solar flare

|number = 446

|first_author = Hugh HUDSON, John MALONE-LEIGH,

|second_author = Graham WOAN, and Chris OSBORNE

|publish_date = 13 March 2023

|description = Irish and Scottish geomagnetic observatories see a crochet much like that of the Carrington event

|image=Icon_446.png}}

{{{Nugget Badge

|title =   Particle Acceleration in Two Coronal Jets

|number = 445

|first_author = Yixian ZHANG

|publish_date = 27 February 2023

|description = Coronal jets with hard X-ray sources at disjoint locations

|image=Icon445.png}}

|title =   The Curious First Sunquake of Solar Cycle 25‎

|number = 444

|first_author = Alexander KOSOVICHEV

|publish_date = 13 February 2023

|description = A double whammy: two distinct sunquakes from SOL2022-05-10.

|image=Icon444.png}}

|title =   Hard X-ray Pulsations via Gaussian Decomposition

|number = 443

|first_author = Hannah COLLIER and Laura HAYES

|publish_date = 30 January 2023

|description = Flare hard X-ray time variations decomposed objectively

|image=Icon443.png}}

|title =   A possible coronal magnetic flare precursor

|number = 442

|first_author = Enrico LANDI

|publish_date = 16 January 2023

|description = Novel measurements of the coronal magnetic field may help with flare prediction

|image=Icon442.png}}

|title =   A slow HOPE with microwave context

|number = 441

|first_author = Hugh HUDSON

|publish_date = 12 December 2022

|description = A new microwave facility at Chashan Observatory, and a prototypical HOPE

|image=Icon441.png}}

|title =   Rapid variations of Si IV spectra in a flare observed by IRIS at a sub-second cadence

|number = 440

|first_author = Juraj L&Ouml;RIN&#268;&Iacute;K

|publish_date = 14 November 2022

|description = Transition-region lines in a flare have a Doppler component revealing quasi-periodic pulsations

|image=Icon440.png}}

|title =   A Significant Sudden Ionospheric Disturbance Associated with a Massive Gamma-ray Burst

|number = 439

|first_author = Laura HAYES and Peter GALLAGHER

|publish_date = 31 October 2022

|description = A first SID observed in broad daylight, from a source far far away

|image=Icon439.png}}

|title =   Effects of Coronal Structures on the Dynamics of the Global Coronal Wave of SOL2017-09-10‎

|number = 438

|first_author = Huidong HU, Ying D. LIU, and Bei ZHU

|publish_date = 17 October 2022

|description = The amazing global coronal wave of SOL2017-09-10 wrapped around the whole Sun, and displayed transmission and reflection at both polar coronal holes

|image=Icon438.png}}

|title =   KW-Sun: The Konus-Wind Solar Flare Database in Hard X-Ray and Soft Gamma-Ray Ranges

|number = 437

|first_author = Alexandra LYSENKO

|publish_date = 26 September 2022

|description = An unrivaled hard X-ray and gamma-ray database is entering its third activity maximum

|image=Icon437.png}}

|title =   First Detection of Kink Oscillations with Solar Orbiter

|number = 436

|first_author = Sihui ZHONG et al.

|publish_date = 19 September 2022

|description = SolO sees coronal oscillations as well as AIA can, and even better

|image=Icon436.png}}

|title =   Energetic Neutral Hydrogen from Large Solar Flares

|number = 435

|first_author = Glenn MASON

|publish_date = 6 September 2022

|description = A rediscovered data treasury reveals the occurrence of many flare/CME events producing solar high-energy neutral atoms

|image=Icon435.png}}

|title =   Fifty-year Anniversary of the First Detection of Gamma rays from a Solar Flare

|number = 434

|first_author = Jim Ryan,

|second_author = Brian Dennis, and Phil Dunphy

|publish_date = 8 August 2022

|description = The rich astrophysics of gamma-ray astronomy began with solar observations fifty years ago

|image=Icon434.png}}

|title =   Fast Prograde Flows in Solar Active Regions

|number = 433

|first_author = Hugh HUDSON

|publish_date = 25 July 2022

|description = Unexpected, unpredicted, and not modeled yet - weird flows in hot active-region loops

|image=Icon433.png}}

|title =   Undetected Minority-polarity Flux, Moss, and Coronal Heating

|number = 432

|first_author = Yi-Ming WANG

|publish_date = 11 July 2022

|description = There's plenty of room in "unipolar" active regions for both polarities, and there is good evidence for them

|image=Icon432.png}}

|title =   Thermal/Nonthermal with MinXSS and RHESSI

|number = 431

|first_author = Shunsaku NAGASAWA

|publish_date = 13 June 2022

|description = Time-domain studies of improved X-ray spectra reveal a "super-hot' component

|image=Icon431.png}}

|title =   Sun-as-a-star spectroscopic observations of the line-of-sight velocity of a solar eruption on October 28, 2021

|number = 430

|first_author = Yu XU

|second_author = and Hui TIAN

|publish_date = 30 May 2022

|description = The observation of the full 3d velocity of a CME, for an anniversary event

|image=Icon430.png}}

|title =   Carl Størmer

|number = 429

|first_author = Hugh HUDSON

|second_author = and Lyndsay FLETCHER

|publish_date = 15 April 2022

|description = Størmer and the theory of trapping in loops

|image=Icon429.png}}

|title =   Solar Hard X-rays with Insight

|number = 428

|first_author = Wei WANG

|second_author = and Ping ZHANG

|publish_date = 21 March 2022

|description = A spectacular limb flare introduces Insight/HXMT, a new observational resource

|image=Icon428.png}}

|title =   Probing chromospheric current sheets using SST and ALMA co-observations

|number = 427

|first_author = Jo&atilde;o da SILVA SANTOS

|publish_date = 21 February 2022

|description = Emerging magnetic flux appears in ALMA images reflecting coronal current sheets

|image=Icon427.png}}

|title =   A demonstration of STIX hard X-ray imaging spectroscopy capabilities for an X-class flare (SOL2021-10-28)

|number = 426

|first_author = Andrea BATTAGLIA, Hannah COLLIER,

|second_author = and S&auml;m KRUCKER

|publish_date = 7 February 2022

|description = STIX imaging of an X-class flare marks its success

|image=Icon426.png}}

|title =   A solar flare driven by thermal conduction observed in mid-infrared

|number = 425

|first_author = Guillermo GIM&Eacute;NEZ de CASTRO

|publish_date = 24 January 2022

|description = Strong 10-micron emission from a GOES C2 flare suggests conductive heating

|image=Icon425.png}}

|title =   Disk Occultation of a Lopsided Sun‎

|number = 424

|first_author = Hugh HUDSON,

|second_author = Stephen WHITE and S&auml;m KRUCKER

|publish_date = 10 January 2022

|description = Observing a spotless Sun can enable observations of the faint corona.

|image=Icon424.png}}

|title =   Resolving two distinct thermal X-ray components in a compound solar flare

|number = 423

|first_author = Zhenjun ZHOU

|second_author = and Rui LIU

|publish_date = 28 December 2021

|description = Superhot coronal sources may be independent loop systems

|image=Icon423.png}}

|title =   Bridging solar flares to coronal mass ejections

|number = 422

|first_author = Markus ASCHWANDEN

|publish_date = 14 December 2021

|description = The Neupert effect allows us to trace coronal mass ejections seamlessly

|image=Icon422.png}}

|title =   The Jakimiec Diagnostic Diagram

|number = 421

|first_author = Hugh HUDSON

|publish_date = 29 November 2021

|description = The joint variation of GOES temperature and emission measure discloses new features via an old tool

|image=Icon421.png}}

|title =   First look at ALMA/HInode/IRIS microflares

|number = 420

|first_author = Toshifumi SHIMIZU

|second_author = et al.

|publish_date = 8 November 2021

|description = High-resolution ALMA and multiwavelength observations of microflaring

|image=Icon420.png}}

|title =   Thomson scattering near sunspots

|number = 419

|first_author = Pascal Saint-Hilaire

|second_author = et al.

|publish_date = 25 October 2021

|description = Completing the modeling of low-coronal Thomson polarimetry

|image=Icon419.png}}

|title =   A Non-PFSS Global Coronal Model

|number = 418

|first_author = Oliver RICE

|second_author = and Anthony YEATES

|publish_date = 11 October 2021

|description = Modeling as convenient as PFSS but much more realistic

|image=Icon418.png}}

|title =   Manifold Nonthermality

|number = 417

|first_author = Marina BATTAGLIA

|second_author = et al.

|publish_date = 27 September 2021

|description = Even weak flares involve multiple sites of non thermal activity

|image=Icon417.png}}

|title =   X-Rays from a Type I Radio Burst

|number = 416

|first_author = R.  RAMESH

|publish_date = 20 September 2021

|description = A first identification of type I radio emission with hot plasma

|image=Icon416.png}}

|title =   Do Hot Onsets Predict Flare Magnitudes?

|number = 415

|first_author = Hugh HUDSON

|publish_date = 30 August 2021

|description = Maybe we can tell how big a flare is going to be from its initial development...

|image=Icon415.png}}

|title =   Confined or Eruptive?

|number = 414

|first_author = Ting LI et al.

|publish_date = 16 August 2021

|description = Increased magnetic flux reduces CME eruptivity

|image=Icon414.png}}

|title =   Impulsive and Gradual Eruptive Gamma Flares and Associated CMEs

|number = 413

|first_author = Alexey STRUMINSKY,

|second_author = Irina GRIGORIEVA and Andrei SADOVSKI

|publish_date = 19 July 2021

|description = Extreme behavior of flare/CME events explained by environment

|image=Icon373.png}}

|title =   The Morphology of Flare Time Profiles

|number = 412

|first_author = Larisa KASHAPOVA

|second_author = et al.

|publish_date = 12 July 2021

|description = Systematic comparison of solar and stellar flaring time profiles

|image=Icon412.png}}

|title =   Flare Pulsation and the Heliosphere

|number = 411

|first_author = Brendan CLARKE

|second_author = et al.

|publish_date = 5 July 2021

|description = Flare pulsations link closely to the distant heliosphere

|image=Icon411.png}}

|title =   STIX, the Hard X-Ray Telescope on board Solar Orbiter

|number = 410

|first_author = Andrea Francesco BATTAGLIA

|second_author = and S&auml;m KRUCKER

|publish_date = 28 June 2021

|description = STIX is operational and producing great data

|image=Icon410.png}}

|title =   Nonequilibrium Ionization of Flare Plasma Observed by Hinode/EIS

|number = 409

|first_author = Shinsuke IMADA

|second_author =  

|publish_date = 14 June 2021

|description = Evidence for non-equilibrium ionization in the current sheet of SOL2017-09-10

|image=Icon409.png}}

|title =   Effects of Flares on Solar p-modes

|number = 408

|first_author = Maria-Cristina RABELLO SOARES

|second_author = and Frederic BAUDIN

|publish_date = 26 April 2021

|description = No detectable p-mode amplitude changes due to solar flares

|image=Icon408.png}}

|title =   Subsecond Spikes in Solar Flare X-ray Flux as Seen by Fermi GBM

|number = 407

|first_author =Trevor KNUTH

|second_author = and Lindsay GLESENER

|publish_date = 19 April 2021

|description = A new analysis technique pushes hard X-ray time scales to 0.1 sec or faster

|image=Icon407.png}}

|title = Negative He 10830 Flare Ribbons and Non-thermal Electrons

|number = 406

|first_author = Graham KERR

|publish_date = 12 April 2021

|description = A 1D radiation hydrodynamics model can explain the dark leading edges of He I flare ribbons

|image=Icon406.png}}

|title = Tracing the sources of gradual solar energetic particle events

|number = 405

|first_author = David H. BROOKS

|second_author = and Stephanie L. YARDLEY

|publish_date = 29 March 2021

|description = Chemical abundances in SEPs suggest an origin in flare-related moss regions

|image=Icon405.png}}

|title = The Superflare SOL2017-09-06: from submm to mid-IR

|number = 404

|first_author = Guillermo (Guigue) GIM&Eacute;NEZ DE CASTRO

|second_author =  

|publish_date = 15 March 2021

|description = Glimpsing the "missing decades" of the flare emission spectrum

|image=Icon404.png}}

|title = The Neupert Effect Revisited

|number = 403

|first_author = Jiong QIU

|publish_date = 8 March 2021

|description = Two time scales for heating individual flare strands

|image=Icon403.png}}

|title = FLUKA as a tool for interpreting flare gamma-rays

|number = 402

|first_author = Alec MACKINNON

|second_author =  

|publish_date = 1 March 2021

|description = The nuclear physics of solar flares captured in a detailed model

|image=Icon402.png}}

|title = A Collective Study of 11 NuSTAR Microflares

|number = 401

|first_author = Jessie DUNCAN and

|second_author = Lindsay GLESENER

 

|first_author = Dale GARY and

|publish_date = 15 February 2021

|description = A new frontier in the solar time domain

|image=Icon400.png}}

|title = Richard Schwartz

|number = 399

|first_author = Brian DENNIS and

|second_author = Hugh HUDSON

|publish_date = 25 January 2021

|description = Remembering a friend and colleague

|image=Icon399.jpg}}

|title = Observing Solar Flare X-ray Polarization with Prospective CubeSat Missions

|number = 398

|first_author = Natasha JEFFREY

|publish_date = 4 January 2021

|description = The polarization of the solar X-ray spectrum generally remains to be observed

|image=Icon398.png}}

|title = Solar effects in the local interstellar medium

|number = 397

|first_author = Don GURNETT and

|second_author = Hugh HUDSON

|publish_date = 14 December 2020

|description = Relativistic particle events observed _in situ_ in the interstellar medium

|image=Icon397.png}}

|title = Investigation of Small-Scale Energy Releases in Hard X-rays with ​FOXSI

|number = 396

|first_author = Subramania ATHIRAY and

|second_author = Juliana VIEVERING

|publish_date = 7 December 2020

|description = Hard X-rays and high temperatures from the feeblest microflares

|image=Icon396.png}}

|title = What drives impulsive coronal heating?

|number = 395

|first_author = Pradeep CHITTA

|second_author = et al.

|publish_date = 30 November 2020

|description = Impulsive footpoint emissions suggest magnetic reconnection in the chromosphere

|image=Icon395.png}}

|title = Probing the solar coronal heating function with slow magnetoacoustic waves

|number = 394

|first_author = Dmitrii KOLOTKOV

|second_author = et al.

|publish_date = 16 November 2020

|description = Coronal heating models meet damped slow magnetoacoustic waves

|image=Icon394.png}}

|title = Self-Consistent Flare Model

|number = 393

|first_author = Wenzhi RUAN

|second_author = and Rony KEPPENS

|publish_date = 2 November 2020

|description = Energy transport by fast particles made self-consistent with MHD flare modeling

|image=Icon393.png}}

|title = Hot Flare Onsets

|number = 392

|first_author = Hugh HUDSON

|second_author = et al.

|publish_date = 26 October 2020

|description = The initial soft X-ray temperatures of solar flares tend to be in the 10-15 MK range

|image=Icon392.png}}

|title = Electric Current Neutralization and Eruption

|number = 391

|first_author = Ellis AVALLONE

|second_author = and Xudong SUN

|publish_date = 19 October 2020

|description = Coronal currents without neutralizing return currents appear to

|image=Icon391.png}}

|title = Prediction of Solar Cycle 25

|number = 390

|first_author = Leif SVALGAARD

|publish_date = 5 October 2020

|description = Now we know how big the next solar maximum will be

|image=Icon390.png}}

|title =   Flare/CME Cartoon Archive

|number = 389

|first_author = Hugh HUDSON

|second_author =  

|publish_date = 27 September 2020

|description = A new edition of the Flare/CME archive, nearly a half kilotoon now

|image=Icon389.png}}

|title =   Submerged Flare Acoustic Sources

|number = 388

|first_author = Juan Camilo BUITRAGO CASAS

|second_author = and Angel MART&Iacute;NEZ

|publish_date = 13 September 2020

|description = Flare acoustic radiation emanates from a source _inside_ the Sun

|image=Icon388.png}}

|title =   Circular Ribbon Flare at Microwaves

|number = 387

|first_author = Jeongwoo LEE

|second_author =  

|publish_date = 31 August 2020

|description = Breakout reconnection reveals itself via microwave polarization measurements.

|image=Icon387.png}}

|title =   Relation of Non-neutralized electric currents and the activity in active regions

|number = 386

|first_author = P. VEMAREDDY

|publish_date = 24 August 2020

|description = Non-neutralized coronal current systems contribute to CME eruptions

|image=Icon386.png}}

|title =   White-light emission and photospheric magnetic field changes in flares

|number = 385

|first_author = J. Sebasti&aacute;n CASTELLANOS DUR&Aacute;N

|second_author = and Lucia KLEINT

|publish_date = 17 August 2020

|description = There are strong correlations between white-light flare emissions and line-of-sight magnetic field changes

|image=Icon385.png}}

|title =   Sunspot Differential Rotation in an X-class Flare

|number = 384

|first_author = Richard GRIMES,

|second_author = Bal&aacute;zs PINT&Eacute;R and Huw MORGAN

|publish_date = 10 August 2020

|description = Observations suggesting how the coronal tail can wag the photospheric dog

|image=Icon384.png}}

|title =   Energy Partitioning in a Nonthermally Dominated Two-loop Solar Flare

|number = 383

|first_author = Galina MOTORINA

|second_author = et al.

|publish_date = 3 August 2020

|description = Modeling the propagation of energy via GX Simulator in an early-impulsive flare

|image=Icon383.png}}

|title =   SOL2013-11-10 Eruptive Circular-ribbon Flare with Extended Remote Brightenings

|number = 382

|first_author = Chang LIU

|second_author = et al.

|publish_date = 31 July 2020

|description = A circular-ribbon event can launch an eruption by breaking through its separatrix dome

|image=Icon382.png}}

|title =   Extreme-Ultraviolet Late Phase of Solar Flares

|number = 381

|first_author = Rui LIU

|second_author =

|publish_date = 22 June 2020

|description = Both arcade and circular-ribbon flares may sometimes spawn EUV late phase emission

|image=Icon381.png}}

|title =   Energy transport by accelerated particles in the quiet solar atmosphere

|number = 380

|first_author = Lars FROGNER,

|second_author = Boris GUDIKSEN and Helle BAKKE

|publish_date = 15 June 2020

|description = A first study of non-thermal particles integrated into an MHD simulation of the solar atmosphere

|image=Icon380.png}}

|title =   Quasi-periodic pulsations as indicators of oscillatory processes in solar flares

 

|title =  Rejuvenating Solar Flare Termination Shocks as Particle Accelerators

|number = 378

|first_author = Bin CHEN

|publish_date = 4 May 2020

|description = At  last, clear evidence for a long-predicted phenomenon

|image=Icon378.png}}

|title =   Broad symmetrical Doppler-shifted Fe XXI line profiles

|number = 377

|first_author = Vanessa POLITO

|second_author =  

|publish_date = 20 April 2020

|description = It is difficult to explain "evaporation" line profiles by superposition of unresolved flows

|image=Icon377.png}}

|title =   Phenomena in the unusually long pre-impulsive phase of SOL2011-06-07

|number = 376

|first_author = Marian KARLICK&Yacute;,

|second_author = Jana KA&Scaron;PAROV&Aacute;, and Robert SYCH

|publish_date = 13 April 2020

|description = A massive and slowly-rising filament eruption reveals important new signatures of the physics

|image=Icon376.png}}

|title =   Evidence for a Coronal Shock Wave Origin for Relativistic Protons Producing Solar Gamma-Rays and Observed by Neutron Monitors at Earth‎

|number = 375

|first_author = Athanasios KOULOUMVAKOS

|second_author = and Gerry SHARE

|publish_date = 6 April 2020

|description = Successful modeling of prolonged solar gamma-ray emissions and terrestrial ground-level cosmic-ray events

|image=Icon375.png}}

|title =   Using overlappogram data to find hot flare plasma

|number = 374

|first_author = Louise HARRA

|  

|publish_date = 23 March 2020

|description = Imaging Fe XXIV at high resolution with the EIS slot data

|image=Icon374.png}}

|title =   SOL2017-09-04 (M5.5) 2017 as a Source of Relativistic Electrons and Protons

|number = 373

|first_author = Alexei STRUMINSKII

| (see text)

|publish_date = 16 March 2020

|description = Flare-accelerated particles, rather than SEPs, energize sustained gamma-ray emission

|image=Icon373.png}}

|title =   Heating of the solar photosphere during a white-light flare‎

|number = 372

|first_author = Jan JURČÁK

| (see text)

|publish_date = 2 March 2020

|description = The best-ever spectrum of the flare photosphere

|image=Icon372.png}}

|title =   A Hot Cusp-Shaped Confined Solar Flare

|number = 371

|first_author = Aaron HERNANDEZ-PEREZ

|publish_date = 24 February 2020

|description = A flare may have a prominent hot cusp with the help of any eruption

|image=Icon371.png}}

|title =   The Temporal and Spatial Extension of Gamma-ray Emission from the Sun

|number = 370

|first_author = Nat GOPALSWAMY

|publish_date = 17 February 2020

|description = Sustained solar &gamma;-rays and solar cosmic rays

|image=Icon370.ng.png}}

|title =   A PSP Perihelion

|number = 369

|first_author = Jessie DUNCAN

|publish_date = 20 January 2020

|description = The Parker Solar Probe enters its fourth perihelion already. Now

|image=Icon369.png}}

|title =   Remembering John Brown

|number = 368

|first_author = Alec MacKINNON

|publish_date = 13 January 2020

|description = John passed away unexpectedly on 16 November 2019

|image=Icon368.png}}

|title =   A Global Survey of EUV Coronal Power Spectra

|number = 367

|first_author = Karl Battams

|second_author =  

|publish_date = 30 December 2019

|description = Time-series parameter maps of imaged power spectra from an AIA pipeline

|image=Icon367.png}}

|title =   Cosmic Rays over the Rainbow Bridge

|number = 366

|first_author = Hugh Hudson

|second_author = Alec MacKinnon

|publish_date = 16 December 2019

|description = Cosmic rays approach the Sun

|image=Icon366.png}}

|title =   Spectropolarimetric Insight into Plasma-Sheet Dynamics of a Solar Flare

|number = 365