April 2002 No Yohkoh data from 14 Dec 2001 1 - EIT bakeout 14 UT: halo CME ; t1 image at 04 UT 1-5 Long-Period Oscillations of Sunspots Observed by SOHO/MDI V. I. Efremov, L. D. Parfinenko, A. A. Solov’ev, E. A. Kirichek Solar Physics, June 2014, Volume 289, Issue 6, pp 1983-1998 http://arxiv.org/ftp/arxiv/papers/1412/1412.4107.pdf 2 - EIT bakeout; >21 UT: interesting chains Several large CMEs The coronal volume of energetic particles in solar flares as revealed by microwave imaging Gregory D. Fleishman, Maria A. Loukitcheva, Varvara Yu. Kopnina, Gelu M. Nita, Dale E. Gary ApJ 2018 https://arxiv.org/pdf/1809.04753.pdf 3 - Interesting chains, CH-associated 4 - Outstanding/Interesting chains, CH-associated; Illustration Several eruptions Are chains of type I radio bursts generated by similar processes as drifting pulsation structures observed during solar flares? Marian Karlicky A&A 2017 https://arxiv.org/pdf/1704.08532.pdf 5 - Outstanding/Interesting chains, CH-associated; Illustration 6 - Outstanding/Interesting chains, CH-associated; Illustration 7 - Outstanding/Interesting chains, CH-associated; Illustration !00-02 UT: NE eruptions! 8 - Interesting chains, Several eruptions +9 - Interesting chains, Maybe inside a CH !!Several eruptions. To make difference movies 13 UT: spectacular S/SW eruption at 304 A Statistical properties of radio flux densities of solar flares Wang Lu, Liu Si-ming, Ning Zong-jun Research in Astronomy and Astrophysics 2020 https://arxiv.org/pdf/2006.02121.pdf Oscillations in the wake of a flare blast wave_ D. Tothova1, D. E. Innes1, and G. Stenborg2 A&A 528, L12 (2011), File; +10 - Interesting/complicated chains, !!Several interesting eruptions +!!13 UT: halo CME, canalized dimmings; see Events (rotated) Vilmer (radio, RHESSI) http://solar.physics.montana.edu/cgi-bin/eprint/index.pl?entry=668 +!!18 UT: canalized dimmings; see Events Statistical Study of Hard X-Ray Spectral Breaks in Solar Flares Meriem Alaoui, Sam Krucker, Pascal Saint-Hilaire Solar Physics August 2019, 294:105 sci-hub.se/10.1007/s11207-019-1495-6 Constraints on energy release in solar flares from RHESSI and GOES X-ray observations I. Physical parameters and scalings A. Warmuth and G. Mann A&A 588, A115 (2016) http://www.aanda.org/articles/aa/pdf/2016/04/aa27474-15.pdf Particle Acceleration in Plasmoid Ejections Derived from Radio Drifting Pulsating Structures N. Nishizuka1, M. Karlicky2, M. Janvier3, and M. Barta 2015 ApJ 799 126 http://arxiv.org/pdf/1412.7904v1.pdf Thermal and nonthermal hard X-ray source sizes in solar flares obtained from RHESSI observations II. Scaling relations and temporal evolution A. Warmuth and G. Mann A&A 552, A87 (2013) CO-ANALYSIS OF SOLAR MICROWAVE AND HARD X-RAY SPECTRAL EVOLUTIONS. I. IN TWO FREQUENCY OR ENERGY RANGES Qiwu Song1, Guangli Huang1 and Hiroshi Nakajima 2011 ApJ 734 113 11 - Interesting/complicated chains, !Several eruptions PROBING DYNAMICS OF ELECTRON ACCELERATION WITH RADIO AND X-RAY SPECTROSCOPY, IMAGING, AND TIMING IN THE 2002 APRIL 11 SOLAR FLARE Gregory D. Fleishman1,2, Eduard P. Kontar3, Gelu M. Nita1, and Dale E. Gary 2013 ApJ 768 190 11-14 Role of the Coronal Environment in the Formation of Four Shocks Observed without Coronal Mass Ejections at Earth's Lagrangian Point L1 M. Pick1, J. Magdalenic2, N. Cornilleau-Wehrlin1,3, B. Grison4, B. Schmieder1,5, and K. Bocchialini6 2020 ApJ 895 144 https://sci-hub.tw/https://iopscience.iop.org/article/10.3847/1538-4357/ab8fae +12 - Interesting/complicated chains, !Several central eruptions +!!!04:30 UT: probable reflection of coronal wave; See Events !!! !!16-18 UT: interesting dimmings; See Events!! Coronal hard X-ray sources revisited Brian R. Dennis, Miguel A. Duval-Poo, Michele Piana, Andrew R. Inglis, A. Gordon Emslie, Jingnan Guo, Yan Xu ApJ 2018 https://arxiv.org/pdf/1809.04631.pdf Revealing evolution of nonthermal electrons in solar flares using 3D modeling Gregory D. Fleishman, Gelu M. Nita, Natsuha Kuroda, Sabina Jia, Kevin Tong, Richard R. Wen, Zhou Zhizhuo ApJ 2018 https://arxiv.org/pdf/1803.09847.pdf Validation Of The Coronal Thick Target Source Model Gregory D. Fleishman, Yan Xu, Gelu N. Nita, Dale E. Gary ApJ 2015 http://arxiv.org/pdf/1511.06947v1.pdf 13 - Interesting/complicated chains, !Several eruptions +14 - Interesting/complicated chains, !Several eruptions +!!07:48 UT: our low-frequency type II burst and NW eruption; See Events (01-09 UT) Active-Region Tilt Angles from White-Light Images and Magnetograms: The Role of Magnetic Tongues M. Poisson, P. Demoulin, C.H. Mandrini, M.C. Lopez Fuentes ApJ 2020 https://arxiv.org/pdf/2004.07345.pdf Interacting CMEs and their associated flare and SEP activities A.Shanmugaraju, S.Prasanna Subramanian 2014 http://arxiv.org/pdf/1405.6316v1.pdf Three-phase life leads to corpulent X-ray loops N. Jeffrey and E. Kontar RHESSI Nugget No. 198, April 2013 Study of flare energy release using events with numerous type III-like bursts in microwaves N. S. Meshalkina, A. T. Altyntsev, D. A. Zhdanov, S. V. Lesovoi, A. A. Kochanov, Yan Yihua, Tan Chengming E-print, June 2012; Solar Phys. October 2012, Volume 280, Issue 2, pp 537-549 CONCERNING SPIKES IN EMISSION AND ABSORPTION IN MICROWAVE RANGE G.P.Chernov, R.A.Sych, G.L.Huang, H.S. Ji, Y.H.Yan, and C.M.Tan E-print, July 2012, Research in Astron. Astrophys. Determination of the acceleration region size in a loop-structured solar flare J. Guo1, A. G. Emslie2, E. P. Kontar3, F. Benvenuto1, A. M. Massone4 and M. Piana A&A 543, A53 (2012) ACCELERATION, MAGNETIC FLUCTUATIONS, AND CROSS-FIELD TRANSPORT OF ENERGETIC ELECTRONS IN A SOLAR FLARE LOOP E. P. Kontar, I. G. Hannah, and N. H. Bian Astrophysical Journal Letters, 730:L22 (6pp), 2011 April 1 The simplest explanations for RHESSI coronal sources is an enhanced coronal density. This is a discussion of this interpretation for the 14th April 2002 flare. It can be found on http://sprg.ssl.berkeley.edu/~tohban/nuggets/ Krucker: Sui and Holman (2003) and Sui et al. (2004) studied a series of homologous limb flares that occurred during 14–16 April 2002, in which a coronal thermal X-ray source, detectable up to about 20 keV photon energy and above the flare loops, was observed early in the impulsive phase. 14-15 RHESSI Results Time for a Rethink? Review Brown, J. C.; Kontar, E. P.; Veronig, A. M. The High Energy Solar Corona: Waves, Eruptions, Particles, Lecture Notes in Physics, Volume 725. ISBN 978-3-540-71569-6. Springer-Verlag Berlin Heidelberg, 2007, p. 65 https://arxiv.org/pdf/astro-ph/0607440.pdf Coronal hard X-ray sources revisited Brian R. Dennis, Miguel A. Duval-Poo, Michele Piana, Andrew R. Inglis, A. Gordon Emslie, Jingnan Guo, Yan Xu ApJ 2018 https://arxiv.org/pdf/1809.04631.pdf The spatial, spectral and polarization properties of solar flare X-ray sources Natasha L. S. Jeffrey Ph.D. Thesis, 2014 http://arxiv.org/pdf/1412.8163v1.pdf +15 - Interesting/complicated chains, !Several eruptions !! 03: symmetric halo CME; See Events !! Good noise storm on our compressed spectrum !! A Multiwavelength Analysis of the Long-duration Flare Observed on 15 April 2002 A. Kepa, B. Sylwester, J. Sylwester, T. Mrozek, M. Siarkowski Solar Phys. 2019 https://arxiv.org/pdf/1912.07984.pdf Solar hard X-ray imaging by means of compressed sensing and finite isotropic wavelet transform M. A. Duval-Poo1, M. Piana1,2 and A. M. Massone2 A&A 615, A59 (2018) https://www.aanda.org/articles/aa/pdf/2018/07/aa31765-17.pdf Solar hard X-ray imaging by means of Compressed Sensing and Finite Isotropic Wavelet Transform M. A. Duval-Poo, M. Piana, A. M. Massone A&A 2017 https://arxiv.org/pdf/1708.03877.pdf Flare Observations Review Arnold O. Benz Living Reviews in Solar Physics December 2017?, 14:2 File This article is a revised version of http://dx.doi.org/10.12942/lrsp-2008-1. https://link.springer.com/content/pdf/10.1007%2Fs41116-016-0004-3.pdf Estimation of Reconnection Flux using Post-eruption Arcades and Its Relevance to 1-au Magnetic Clouds N. Gopalswamy, S. Yashiro, S. Akiyama, H. Xie Solar Phys. 2017 https://arxiv.org/pdf/1701.01943v1.pdf File Sui. Evidence for the Formation of a Large-Scale Current Sheet in a Solar Flare http://solar.physics.montana.edu/cgi-bin/eprint/index.pl?entry=670 Sui and Holman, Astrophysical Journal, Volume 596, Issue 2, pp. L251-L254, 2003. http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2003ApJ...596L.251S&db_key=AST&high=3e8928932920470 Constraints on energy release in solar flares from RHESSI and GOES X-ray observations I. Physical parameters and scalings A. Warmuth and G. Mann A&A 588, A115 (2016) http://www.aanda.org/articles/aa/pdf/2016/04/aa27474-15.pdf On the sensitivity of the GOES flare classification to properties of the electron beam in the thick target model Reep, J.W., Bradshaw, S.J., McAteer R.T.J. E-print, Oct 2013, http://arxiv.org/pdf/1310.3242v1.pdf; ApJ Dense Loop Flares Jingnan Guo and Gordon Emslie. RHESSI Science Nugget, No. 181, Aug 2012 http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/Dense_Loop_Flares Multiwavelength Analysis of a Solar Flare on 2002 April 15 -- Sui, L, Holman, G. D., White, S. M., Zhang, J. (E-print) A&A 466, 339-346 (2007) Birth and evolution of a dense coronal loop in a complex flare region L. Bone1, J. C. Brown1, L. Fletcher1, A. Veronig2, and S. White3 +16 - Interesting/complicated chains, E1 !Several eruptions +!!Morning noise storm +!!10:47 - our high-frequency type II burst!! See Events Energy Spectrum of Solar Energetic Electron Events over 25 Years Wen Wang (??)1,2, Linghua Wang (???)2, Sam Krucker3,4, and Robert F. Wimmer-Schweingruber5 2023 ApJ 948 51 https://iopscience.iop.org/article/10.3847/1538-4357/acbea2/pdf ORIGIN OF CORONAL SHOCK WAVES ASSOCIATED WITH SLOW CORONAL MASS EJECTIONS J. Magdaleni?c1,2, C. Marqu?e1, A. N. Zhukov1,3, B. Vr?snak2, and T. ? Zic Astrophysical Journal, 718:266–278, 2010 July; File RHESSI and TRACE observations of an M2.5 flare: a direct application of the Kopp and Pneuman model: L. Contarino, P. Romano and F. Zuccarello A&A 458 (2006) 297-300 an M2.5 flare that occurred in NOAA 9901 on 16 April 2002 The event shows a simple morphology in which the EUV and X-ray sources change from an X to a Y configuration; the formation of a thin, filamentary structure, compatible with what is expected from the collapse of an X-point in a current sheet ERUPTING FLUX ROPE, RISING X-RAY SOURCE AND A SLOW CME ON 16 APRIL 2002 C.P. Goff1, L. van Driel-Gesztelyi1,2,3, L.K. Harra1, S.A. Matthews1 & C.H. Mandrini4 Proceedings of the 11th European Solar Physics Meeting - The Dynamic Sun: Challenges for Theory and Observations, 11-16 September 2005 (ESA SP-596 or 600, December 2005) +17 - Interesting/complicated chains, !Several eruptions +!!Strong noise storm +!! 08 UT: Powerful microwave burst, nice halo CME ; See Events +Nice noise storm and type IV on the compressed spectrum; desplacement of the NS from high to low frequencies; ILLUSTRATION Chains after the event, Illustrations On background of the geomagnetic storm (Dst=-105 nT) from the 15d halo CME, Large Forbush Coronal hard X-ray sources revisited Brian R. Dennis, Miguel A. Duval-Poo, Michele Piana, Andrew R. Inglis, A. Gordon Emslie, Jingnan Guo, Yan Xu ApJ 2018 https://arxiv.org/pdf/1809.04631.pdf Statistical Analysis of Solar Events Associated with Storm Sudden Commencements over One Year of Solar Maximum during Cycle 23: Propagation from the Sun to the Earth and Effects K. Bocchialini, B. Grison, M. Menvielle, A. Chambodut, N. Cornilleau-Wehrlin, D. Fontaine, A. Marchaudon, M. Pick, F. Pitout, B. Schmieder, S. Regnier, I. Zouganelis Solar Phys. 2018 https://arxiv.org/pdf/1803.07593.pdf Characteristics of Four SPE Groups with Different Origins and Acceleration Processes† R.-S. Kim, K.-S. Cho, S.-C. Bong, A. D. Joshi, Y.-D. Park, J. Lee JGR Volume 120, Issue 9 Pages 7083–7093 2015 http://onlinelibrary.wiley.com/doi/10.1002/2015JA021280/epdf Properties of solar energetic particle events inferred from their associated radio emission A. Kouloumvakos, A. Nindos, E. Valtonen, C.E. Alissandrakis, O. Malandraki, P. Tsitsipis, A. Kontogeorgos, X. Moussas, A. Hillaris A&A 2015 http://arxiv.org/pdf/1507.03776v1.pdf Large Solar Energetic Particle Events Associated with Filament Eruptions Outside of Active Regions N. Gopalswamy, P. Makela, S. Akiyama, S. Yashiro, H. Xie, N. Thakur, S. W. Kahler ApJ 2015 http://arxiv.org/ftp/arxiv/papers/1504/1504.00709.pdf A refined classification of SPEs based on the multi-energy channel observations† R.-S. Kim1, K.-S. Cho1, J. Lee2, S.-C. Bong2 andY.-D. Park JGR, 2014 http://onlinelibrary.wiley.com/doi/10.1002/2014JA020358/pdf Deterministic behaviour in the dynamics of solar metric radio bursts with intermediate drifting patterns Adolfo L. Mendez Berhondo • Ana K. Diaz Rodriguez • P. Zlobec • Lupe Cuendias Perez Astrophys Space Sci (2013) 346:301–306 http://link.springer.com/article/10.1007/s10509-013-1455-9 Space Storm Measurements of 17 and 21 April 2002 Forbush Effects from Artemis-IV Solar Radio-Spectrograph, Athens Neutron Monitor Station and Coronas-F Satellite C. Caroubalos, X. Moussas, P. Preka-Papadema, A. Hillaris, I. Polygiannakis, H. Mavromichalaki, C. Sarlanis, G. Souvatzoglou, M. Gerontidou, C. Plainaki, S. Tatsis, S. N. Kuznetsov, I.N. Myagkova, K. Kudela http://arxiv.org/abs/1009.3650 17-20 Interplanetary Coronal Mass Ejections as the Driver of Non-recurrent Forbush Decreases Athanasios Papaioannou1, Anatoly Belov2, Maria Abunina2, Eugenia Eroshenko2, Artem Abunin2, Anastasios Anastasiadis1, Spiros Patsourakos3, and Helen Mavromichalaki4 2020 ApJ 890 101 https://sci-hub.si/10.3847/1538-4357/ab6bd1 ************************************************* WORKSHOPS ON SUN-EARTH CONNECTION SPACE WEATHER DURING APRIL 14-24 2002 STORMS DATES: August 19-21, 2003 PLACE: THE JOHNS HOPKINS UNIVERSITY, APPLIED PHYSICS LABORATORY, LAUREL,MARYLAND http://storms.jhuapl.edu ************************************************** +18 - Interesting/complicated chains, !Several eruptions !15 UT: SW-limb eruption and NE-limb filament eruption; See Events A few protons? Dst=-123 nT, large forbush Good noise storm on the compressed spectrum with interesting internal structure 19 - Interesting/complicated chains, Dst ~-141 nT The coronal volume of energetic particles in solar flares as revealed by microwave imaging Gregory D. Fleishman, Maria A. Loukitcheva, Varvara Yu. Kopnina, Gelu M. Nita, Dale E. Gary ApJ 2018 https://arxiv.org/pdf/1809.04753.pdf 20 - Interesting/complicated chains, 05 UT: S-filament eruption Dst ~-154 nT +21 - Interesting/complicated chains, +!02 UT: X1.5 W-limb flare, chanalized dimmings, large SPE protons; See Events!! Brighened chains are at first and then the canalized dimmings See http://www.gsfc.nasa.gov/topstory/20020605rhessi.html http://cfa-www.harvard.edu/uvcs/observations/uvcsflare.html http://www.gsfc.nasa.gov/topstory/2003/0617rhessicme.html (ôàéë çàïèñàí) The Sun and Space Weather Review Nat Gopalswamy Atmosphere, vol. 13, issue 11, p. 1781, 2022 File https://www.mdpi.com/2073-4433/13/11/1781/pdf?version=1666956880 https://doi.org/10.3390/atmos13111781 https://arxiv.org/ftp/arxiv/papers/2211/2211.06775.pdf Extreme solar events Review Edward W. Cliver, Carolus J. Schrijver, Kazunari Shibata & Ilya G. Usoskin Living Reviews in Solar Physics volume 19, Article number: 2 (2022) https://link.springer.com/content/pdf/10.1007/s41116-022-00033-8.pdf A Summary of NOAA Space Weather Prediction Center Proton Event Forecast Performance and Skill H. M. Bain, R. A. Steenburgh, T. G. Onsager, E. M. Stitely Space Weather Volume19, Issue7 e2020SW002670 May 2021 https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2020SW002670 https://doi.org/10.1029/2020SW002670 ÊÎÑÌÈ×ÅÑÊÀß ÏÎÃÎÄÀ: ÔÀÊÒÎÐÛ ÐÈÑÊÀ ÄËß ÃËÎÁÀËÜÍÛÕ ÍÀÂÈÃÀÖÈÎÍÍÛÕ ÑÏÓÒÍÈÊÎÂÛÕ ÑÈÑÒÅÌ Review Äåìüÿíîâ Â.Â., ßñþêåâè÷ Þ.Â. ÑÎËÍÅ×ÍÎ-ÇÅÌÍÀß ÔÈÇÈÊÀ Òîì 7 ¹ 2 , 2021, Ñ. 24–29 https://naukaru.ru/ru/storage/viewWindow/72945 Magnetic Field, Electron Density and Their Spatial Scales in Zebra Pattern Radio Sources L. V. Yasnov & M. Karlicky Solar Physics volume 295, Article number: 96 (2020) https://link.springer.com/content/pdf/10.1007/s11207-020-01652-w.pdf Low geo-effectiveness of fast halo CMEs related to the 12 X-class flares in 2002 B. Schmieder, R.S. Kim, B. Grison, K. Bocchialini, R.Y. Kwon, S. Poedts, P. Demoulin 2020 https://arxiv.org/pdf/2003.10777.pdf Quantifying Turbulent Dynamics Found within the Plasma Sheets of Multiple Solar Flares Michael S. Freed1,2 and David E. McKenzie1,3 2018 ApJ 866 29 http://sci-hub.tw/http://iopscience.iop.org/article/10.3847/1538-4357/aadee4/meta Electron Spectral Breaking Caused by Magnetic Reconnection in Impulsive Flare Events Lun C. Tan 2018 ApJ 858 25 http://sci-hub.tw/http://iopscience.iop.org/0004-637X/858/1/25/ Solar Energetic Particles and Space Weather: Science and Applications Review Olga E. Malandraki and Norma B. Crosby In: O.E. Malandraki, N.B. Crosby (eds.), Solar Particle Radiation Storms Forecasting and Analysis Chapter 1, 2018 https://link.springer.com/content/pdf/10.1007%2F978-3-319-60051-2.pdf File Malandraki_Crosby_SEPs_Forecasting and Analysis_Book.pdf Electron–Ion Intensity Dropouts in Gradual Solar Energetic Particle Events during Solar Cycle 23 Lun C. Tan 2017 ApJ 846 18 http://iopscience.iop.org.sci-hub.cc/0004-637X/846/1/18/ Flare Observations Review Arnold O. Benz Living Reviews in Solar Physics December 2017?, 14:2 File This article is a revised version of http://dx.doi.org/10.12942/lrsp-2008-1. https://link.springer.com/content/pdf/10.1007%2Fs41116-016-0004-3.pdf Solar Energetic Particle Events with Protons Above 500 MeV Between 1995 and 2015 Measured with SOHO/EPHIN P. Kuhl, N. Dresing, B. Heber, A. Klassen Solar Physics January 2017, 292:10 http://link.springer.com/article/10.1007/s11207-016-1033-8 FLARE VERSUS SHOCK ACCELERATION OF HIGH-ENERGY PROTONS IN SOLAR ENERGETIC PARTICLE EVENTS E. W. Cliver 2016 ApJ 832 128 File http://sci-hub.cc/10.3847/0004-637X/832/2/128 Review on Current Sheets in CME Development: Theories and Observations Jun Lin, Nicholas A. Murphy, Chengcai Shen, John C. Raymond, Katharine K. Reeves,Jiayong Zhong, Ning Wu, Yan Li Space Science Reviews 2015 File Open Access Measurements and Modeling of Total Solar Irradiance in X-Class Solar Flares Christopher Samuel Moore, Phillip Clyde Chamberlin, Rachel Hock 2015 http://arxiv.org/pdf/1509.06074v1.pdf Investigating the Kinematics of Coronal Mass Ejections with the Automated CORIMP Catalog Jason P. Byrne Journal of Space Weather and Space Climate 2015 http://arxiv.org/pdf/1506.04046v1.pdf Relations between strong high-frequency microwave bursts and proton events V. Grechnev, N. Meshalkina, I. Chertok, V. Kiselev E-print, Aug 2013; PASJ The Two Sources of Solar Energetic Particles Review Donald V. Reames Space Science Reviews, 2013 RELAXATION OF MAGNETIC FIELD RELATIVE TO PLASMA DENSITY REVEALED FROM MICROWAVE ZEBRA PATTERNS ASSOCIATED WITH SOLAR FLARES Sijie Yu, Yihua Yan, and Baolin Tan 2012 ApJ 761 136 LOW IONIZATION STATE PLASMA IN CORONAL MASS EJECTIONS Jin-Yi Lee1 and John C. Raymond 2012 ApJ 758 116 USE OF INCIDENT AND REFLECTED SOLAR PARTICLE BEAMS TO TRACE THE TOPOLOGY OF MAGNETIC CLOUDS Lun C. Tan1,2, Olga E. Malandraki2, Donald V. Reames3, Chee K. Ng4, Linghua Wang5, and Gareth Dorrian 2012 ApJ 750 146 The Kinematics and Morphology of Solar Coronal Mass Ejections Review J. P. Byrne A thesis, 2012, File Several papers in Space Sci. Rev., 159, 2011 RHESSI Scince Nuggets, No. 162, Slowly but surely towards the huge amount of energy I, by Urszula Bak-Steslicka, Tomasz Mrozek, and Sylwester Kolomanski: The energetics of "slow LDEs". Relations estimated at shock discontinuities excited by coronal mass ejections M. V. Eselevich and V. G. Eselevich Astronomy Reports, Volume 55, Number 4, 359-373, 2011 Astronomicheskii Zhurnal, 2011, Vol. 88, No. 4, pp. 393–408 QUANTITATIVE EXAMINATION OF A LARGE SAMPLE OF SUPRA-ARCADE DOWNFLOWS IN ERUPTIVE SOLAR FLARES Sabrina L. Savage1,2 and David E. McKenzie2 The Astrophysical Journal, 730:98 (16pp), 2011 April Gallagher et al., RHESSI and TRACE observations, 2002, Solar Physics 210, 341-356 See Electronic supplementary material http://springerlink.metapress.com/content/j135842878532105/11207_2004_Article_5108116_ESM.html Space Storm Measurements of 17 and 21 April 2002 Forbush Effects from Artemis-IV Solar Radio-Spectrograph, Athens Neutron Monitor Station and Coronas-F Satellite C. Caroubalos, X. Moussas, P. Preka-Papadema, A. Hillaris, I. Polygiannakis, H. Mavromichalaki, C. Sarlanis, G. Souvatzoglou, M. Gerontidou, C. Plainaki, S. Tatsis, S. N. Kuznetsov, I.N. Myagkova, K. Kudela http://arxiv.org/abs/1009.3650 OBSERVATIONAL EVIDENCE ON THE PRESENCE OF AN OUTER REFLECTING BOUNDARY IN SOLAR ENERGETIC PARTICLE EVENTS Lun C. Tan1,4, Donald V. Reames1,5, Chee K. Ng1,4, Oskari Saloniemi2 and Linghua Wang3,6 ApJ 701 1753-1764, 2009 doi: 10.1088/0004-637X/701/2/1753 QUANTITATIVE EXAMINATION OF SUPRA-ARCADE DOWNFLOWS IN ERUPTIVE SOLAR FLARES D. E. McKenzie and Sabrina L. Savage Astrophysical Journal, 697:1569–1577, 2009; File The kinematics of coronal mass ejections using multiscale methods J. P. Byrne, P. T. Gallagher1, R. T. J. McAteer1, and C. A. Young2 A&A 495, 325–334 (2009), DOI: 10.1051/0004-6361:200809811; File Flux-rms relation in solar radio bursts Lin Wang, Cheng Fang and Yu Ying Liu Astrophysics and Space Science, Volume 318 Number 1-2, 79 – 86, 2008 Superfine Temporal Structure of the Microwave Burst on 21 April 2002: What Can We Learn about the Emission Mechanism? A.A. Kuznetsov Solar Phys (2008) 253: 103–116 ION ANISOTROPY AND HIGH-ENERGY VARIABILITY OF LARGE SOLAR PARTICLE EVENTS: A COMPARATIVE STUDY Lun C. Tan,1 Donald V. Reames, and Chee K. Ng The Astrophysical Journal, 678:1471Y1479, 2008 http://www.journals.uchicago.edu/doi/pdf/10.1086/533490 On the Origin of Zebra-Pattern with Pulsating Superfine Structures on April 21, 2002 Bin Chen ? Yi-hua Yan E-print, Oct 2007; Solar Phys. (2007) 246: 431–443 M.R.Kundu, V.I.Garaimov, S.M.White, S.Krucker, ApJ, 2004 Nobeyama Radioheliograph and RHESSI Observations of the X1.5 Flare of 2002 April 21, The Astrophysical Journal, 600:1052–1060, 2004. NEW PHYSICAL INSIGHT ON THE CHANGES IN MAGNETIC TOPOLOGY DURING CORONAL MASS EJECTIONS: CASE STUDIES FOR THE 2002 APRIL 21 AND AUGUST 24 EVENTS Ilia I. Roussev,1 Noe? Lugaz,1 and Igor V. Sokolov2 The Astrophysical Journal, 668: L87–L90, 2007 http://www.journals.uchicago.edu/doi/pdf/10.1086/522588 ------------------ 21 April, 23 July and 24 August 2002 X-class flares: Raymond. Far UV Spectra of Fast Coronal Mass Ejections Associated with X-class Flares. http://solar.physics.montana.edu/cgi-bin/eprint/index.pl?entry=656 -------------------------- See references in Aschwanden, Asytophys.-2004, p. 13 Rapid acceleration of a coronal mass ejection in the low corona and implications for propagation Gallagher, P. T., G. R. Lawrence, and B. R. Dennis, ApJL, 588(1), L53–L56, (2003), File. Energy partition in two solar flare/CME events Emslie, A. G. et al. Journal of Geophysical Research, Volume 109, Issue A10, CiteID A10104, 2004. Refinements to flare energy estimates: A followup to ``Energy partition in two solar flare/CME events'' by A. G. Emslie et al. Emslie, A. G. et al. Journal of Geophysical Research, Volume 110, Issue A11, CiteID A11103, 2005. A Comparative Study of Ion Characteristics in the Large Gradual Solar Energetic Particle Events of 2002 April 21 and 2002 August 24, Tylka et al. The Astrophysical Journal Supplement Series, Volume 164, Issue 2, pp. 536-551, 2006. Three-dimensional Structure of the 2002 April 21 Coronal Mass Ejection J.-Y. Lee, J. C. Raymond, Y.-K. Ko, and K.-S. Kim The Astrophysical Journal, 651:566–575, 2006 The reconstructed [Fe xviii] emission allows two interpretations, as ejection of preexisting hot plasma or as a current sheet. Double plasma resonance and fine spectral structure of solar radio bursts Adv. Space Res. 39(9), Pages 1434-1440, 2007 Alexey A. Kuznetsov and Yury T. Tsap Initial features of an X-class flare observed with SUMER and TRACE T. J. Wang, S. K. Solanki, D. E. Innes, W. Curdt SOLMAG 2002. Proc. the Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188, Ed. H. Sawaya-Lacoste. ESA SP-505. Noordwijk, Netherlands: ESA Publications Division, ISBN 92-9092-815-8, 2002, p. 607 - 610 2018 https://arxiv.org/pdf/1805.10418.pdf 22 - Interesting/complicated chains, Proton 'snow'. !23 UT - central filament eruption.See Events Nonthermal X-Ray Spectral Flattening toward Low Energies in Early Impulsive Flares Sui, Linhui; Holman, Gordon D.; Dennis, Brian R. Astrophysical Journal, Volume 670, Issue 1, pp. 862-871. 2007 https://iopscience.iop.org/article/10.1086/522198/pdf 23 - Interesting/complicated chains, CH +!!New chains after filament eruption of 22d!! Illustration The Asymptotic Longitudinal Cosmic Ray Intensity Distribution as a Precursor of Forbush Decreases M. Papailiou, H. Mavromichalaki, A. Belov, E. Eroshenko, V. Yanke Solar Physics, October 2012, Volume 280, Issue 2, pp 641-650 24 - Interesting/complicated chains, CH !17 UT: SE eruption and clear CME; See Events AN CME-ICME COUPLE ANALYSIS CRISTIANA DUMITRACHE, NEDELIA POPESCU E-print Dec 2010 25 - Interesting/complicated chains, Nobe, CH ++26 - Interesting/complicated chains, CH ++Clear 06-09 UT noise storm at the compressed spectrum!! ++!!18 UT: spectacular SW filament eruption at 304 A!!, large CME, chains. 4-line dimmings! ILLUSTRATION A few e2 data? See Events!! See MLSO!! 27 - Interesting/complicated chains, CHs ! Clear chains after the 26d filament eruption +!Noise storm 28 - Interesting/complicated chains, CHs +!Noise storm 29 - Interesting/complicated chains, CHs 30 - Interesting/complicated chains, CHs 23 UT: large W CME, backside, small SPE Extensive Study of a Coronal Mass Ejection with UV and WL coronagraphs: the need for multi-wavelength observations Beili Ying, Alessandro Bemporad, Li Feng, Lei Lu, Weiqun Gan, Hui Li ApJ 2020 https://arxiv.org/pdf/2007.04575.pdf Flare Observations Review Arnold O. Benz Living Reviews in Solar Physics December 2017?, 14:2 File This article is a revised version of http://dx.doi.org/10.12942/lrsp-2008-1. https://link.springer.com/content/pdf/10.1007%2Fs41116-016-0004-3.pdf Solar Flares as Natural Particle Accelerators: A High-energy View from X-ray Observations and Theoretical Models Wei Liu 2008; File of the book Krucker: An occulted event of 30 April 2002 showed similar coronal structure (Liu et al. 2008), again with the above-the-loop coronal source showing an inverted temperature/energy gradient. Characteristics of Solar Flare Hard X-ray Emissions: Observations and Models, Thesis, RHESSI, Wei Liu, E-print, Dec 2006, file DOUBLE CORONAL HARD AND SOFT X-RAY SOURCE OBSERVED BY RHESSI: EVIDENCE FOR MAGNETIC RECONNECTION AND PARTICLE ACCELERATION IN SOLAR FLARES Wei Liu, Vahe? Petrosian, Brian R. Dennis, and Yan Wei Jiang The Astrophysical Journal, 676:704Y716, 2008 March 20