SH026
Solar Flare Onset and Energy Release
Session ID#: 160062
Session Description:
Solar flares explosively release magnetic energy in the corona. They drive high-speed flows and are efficient accelerators of energetic electrons, protons and other ion species. Open scientific questions remain on many aspects of impulsive flare energy release, including the mechanisms controlling onset and the release of magnetic energy and electron and ion heating, acceleration and transport. The time is right for making progress on these questions. Multi-wavelength observations (radio, microwave, EUV/UV, soft and hard X-rays, and gamma-rays) are producing a wealth of new data. Particle measurements in the solar wind are poised to determine the full range of energetic particles produced in flares. Advances in numerical modeling are for the first time revealing power-law spectra of electrons and ions. The goal of the session is to bring together observers, modelers and theorists to discuss progress, new ideas and strategies for understanding impulsive flare energy release and its onset.
Co-Sponsor(s):
Index Terms:
7519 Flares [SOLAR PHYSICS, ASTROPHYSICS, AND ASTRONOMY]
7526 Magnetic reconnection [SOLAR PHYSICS, ASTROPHYSICS, AND ASTRONOMY]
7845 Particle acceleration [SPACE PLASMA PHYSICS]
7846 Plasma energization [SPACE PLASMA PHYSICS]
Primary Convener: Fan Guo, Los Alamos National Laboratory, Los Alamos, NM, United States
Conveners: James Frederick Drake, University of Maryland College Park, College Park, MD, United States, Marina Battaglia, University of Applied Sciences Northwestern Switzerland, Windisch, Switzerland and Katharine Reeves, Smithsonian Institution, Cambridge, United States
Student/Early Career Convener: Joel Dahlin, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Thermal Electron Heating During Macroscale Magnetic Reconnection in solar flares (1063330)
Harry Arnold1, James Frederick Drake2, Marc Swisdak3, Fan Guo4, Joel Dahlin5 and Qile Zhang4, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)University of Maryland College Park, College Park, MD, United States, (3)University of Maryland, College Park, United States, (4)Los Alamos National Laboratory, Los Alamos, NM, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States
The asymmetric UV emission and magnetic fields of two-ribbon flares (1067237)
Yan Xu1, Meriem Alaoui2, Graham Stewart Kerr3, Vanessa Polito4, Nengyi Huang5, Ju Jing6 and Haimin Wang5, (1)New Jersey Institute of Technology, Physics, Newark, United States, (2)Catholic University of America, Washington, DC, United States, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)Bay Area Environmental Research Institue, Moffett Field, CA, United States, (5)New Jersey Institute of Technology, Center for Solar-Terrestrial Research, Newark, United States, (6)New Jersey Institute of Technology, Physics, Newark, NJ, United States
Rapid Variations of Si IV Spectra in a Flare Observed by IRIS at a Sub-second Cadence (1071305)
Juraj Lorincik, Bay Area Environmental Research Institute Moffett Field, Moffett Field, United States, Vanessa Polito, Bay Area Environmental Research Institue, Moffett Field, CA, United States, Bart De Pontieu, Lockheed Martin Solar and Astrophysics Laboratory, Palo Alto, CA, United States, Sijie Yu, New Jersey Institute of Technology, Edison, NJ, United States and Nabil Freij, Universitat de les Illes Balears, Physics, Palma, Spain
Plasmoids, flows, and Jets During Magnetic Reconnection in a Failed Filament Eruption (1078011)
Pankaj Kumar1,2, Judy Karpen2, Spiro K Antiochos3, C Richard DeVore2 and Peter Fraser Wyper4, (1)American University, Washington, DC, United States, (2)NASA Goddard Space Flight Center, Greenbelt, United States, (3)University of Michigan Ann Arbor, Ann Arbor, United States, (4)University of Durham, Durham, United Kingdom
Dynamics of Solar Flares with Microwave Imaging Spectroscopy (Invited) (1078045)
Gregory D Fleishman1, Dale E Gary1, Gelu Nita2, Bin Chen3 and Sijie Yu3, (1)New Jersey Institute of Technology, Center for Solar-Terrestrial Research, Edison, NJ, United States, (2)New Jersey Institute of Technology, Edison, United States, (3)New Jersey Institute of Technology, Edison, NJ, United States
A new method for the simulation of electron and ion acceleration during magnetic reconnection in macroscale systems (1092953)
Zhiyu Yin1, James Frederick Drake1, Marc Swisdak2, Harry Arnold3, Fan Guo4 and Joel Dahlin5, (1)University of Maryland College Park, College Park, MD, United States, (2)University of Maryland, College Park, United States, (3)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (4)Los Alamos National Laboratory, Los Alamos, NM, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States
Temporal - Spectral Analysis of Hard X-ray Flares (1095223)
Lindsay Glesener, University of Minnesota Twin Cities, Minneapolis, United States, Andrew Inglis, Catholic University of America, Washington, DC, United States; NASA Goddard Space Flight Center, Greenbelt, United States, Trevor Knuth, NASA Goddard Space Flight Center, Greenbelt, MD, United States and William Setterberg, University of Minnesota Twin Cities, Minneapolis, MN, United States
Applying the RBSL and Helicity-pumping Methods to the Modeling of the 2011 October 1 Pre-eruptive Configuration (1100452)
Viacheslav S. Titov1, Cooper Downs1, Tibor Torok2, Jon Linker1, Michael Prazak3 and Jiong Qiu3, (1)Predictive Science Inc., San Diego, CA, United States, (2)Predictive Science Inc., San Diego, United States, (3)Montana State University, Bozeman, MT, United States
Short Term Memory and Clustering of Solar Flares (1101073)
Jay Johnson1, Elmer Alberto Ccopa Rivera1, Jonathan Homan1 and Simon Wing2, (1)Andrews University, Berrien Springs, MI, United States, (2)The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Information theoretic approach to understanding flare waiting times of an ensemble of solar-type stars (1101755)
Elmer Alberto Ccopa Rivera1, Jay Johnson1, Jonathan Homan1 and Simon Wing2, (1)Andrews University, Berrien Springs, MI, United States, (2)The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Modeling Flare-driven Quasi-Periodic Fast Magnetosonic Waves in Coronal Active Regions (1107140)
Leon Ofman, Catholic University of America, Washington, DC, United States; NASA Goddard Space Flight Center, Greenbelt, United States, Tongjiang Wang, Catholic University of America and NASA's GSFC, Washington, DC, United States and Xudong Sun, University of Hawaii at Manoa, Institute for Astronomy, Honolulu, United States
Energy Release Process in the 2021 October 28 X1.0 Flare (1116117)
Brock Parker, University of Wyoming, Laramie, WY, United States, Chunming Zhu, Montana State University, Physics, Bozeman, MT, United States, Jiong Qiu, Montana State University, Department of Physics, Bozeman, MT, United States and Dana Longcope, Montana State University Bozeman, Bozeman, United States
Multi-species Ion Acceleration in 3D Magnetic Reconnection (1132723)
Qile Zhang1, Fan Guo1, William S Daughton1 and Hui Li2, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Los Alamos National Lab, Los Alamos, NM, United States
Finding Better Spectral Resolution Data from SDO EVE for New Measurements of Solar Flares (1135134)
Gabriela Gonzalez, Southern Illinois University Edwardsville, Edwardsville, United States, Phillip C Chamberlin, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States and Vicki Knoer, Laboratory for Atmospheric and Space Physics, Boulder, United States
IRIS and NuStar observations and modelling of a small B-class flare (1136887)
Vanessa Polito1, Marianne S Peterson2, Lindsay Glesener2, Paola Testa3, Sijie Yu4 and Katharine Reeves5, (1)Bay Area Environmental Research Institute Moffett Field, Moffett Field, CA, United States, (2)University of Minnesota Twin Cities, Minneapolis, United States, (3)Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States, (4)New Jersey Institute of Technology, Edison, NJ, United States, (5)Smithsonian Institution, Cambridge, United States
Flare and Filament Observations in Lyman-Alpha (1148556)
Marie Dominique1, Laurence Wauters1, Petr Heinzel2 and Ryan O Milligan3, (1)Royal Observatory of Belgium, Brussels, Belgium, (2)Astronomical Institute, Czech Academy of Sciences, Ondrejov, Czech Republic, (3)Queen's University Belfast, School of Mathematics and Physics, Belfast, BT9, United Kingdom
Solar flare energetic particles in the multi-messenger era: common observations of Solar Orbiter's STIX and EPD, and ground-based radio observatories. (1148719)
Tomasz Mrozek, Space Research Center Polish Academy of Sciences, Warszawa, Poland, Oleksiy Dudnik, Centrum Badan Kosmicznych PAN, Warszawa, Poland, K. Kułaga, Astronomical Institute, University of Wroclaw, Wroclaw, Poland and Marian Karlicky, Astronomical Institute of the Czech Academy of Sciences, Ondrejov, Czech Republic
Solar magnetic flux rope eruptions caused by inverse flux feeding processes (1151079)
Quanhao Zhang1, Rui Liu2, Shangbin Yang3, Yuming Wang1 and Xiaolei Li1, (1)University of Science and Technology of China, Hefei, China, (2)USTC University of Science and Technology of China, Hefei, China, (3)National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China
NuSTAR and IRIS Co-observation of Microflare-Accelerated Electrons (1154094)
Marianne S Peterson1, Lindsay Glesener1, Vanessa Polito2, Paola Testa3, Sijie Yu4, Jessie McBrayer Duncan5, Reed Masek1, Stephen M White6, Iain G Hannah7, Hugh S Hudson8 and Kristopher Cooper7, (1)University of Minnesota Twin Cities, Minneapolis, United States, (2)Bay Area Environmental Research Institue, Moffett Field, CA, United States, (3)Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States, (4)New Jersey Institute of Technology, Edison, NJ, United States, (5)University of Minnesota Twin Cities, Minneapolis, MN, United States, (6)Air Force Research Laboratory, Albuquerque, NM, United States, (7)University of Glasgow, Glasgow, G12, United Kingdom, (8)University of Glasgow, Glasgow, United Kingdom
Leg-leg reconnection in an erupting filament as a possible source of supra-arcade downflows (1157733)
Jaroslav Dudík1, Guillaume Aulanier2,3, Jana Kašparová4, Alena Zemanova5, Marian Karlický4, Juraj Lorincik6 and Miloslav Druckmuller7, (1)Astronomical Institute of the Academy of Sciences, Prague, United States, (2)Observatoire de Paris, LESIA, Meudon, France, (3)Laboratoire de Physique des Plasmas, Sorbonne Universite, École Polytechnique, IP Paris, CNRS, Observatoire de Paris, Université PSL, Université 6 Paris Saclay, Paris, France, (4)Astromical Institute of the Czech Academy of Sciences, Ondřejov, Czech Republic, (5)Astronomical Institute of the Academy of Sciences, Department of Solar Physics, Ondřejov, Czech Republic, (6)Bay Area Environmental Research Institute Moffett Field, Moffett Field, United States, (7)Brno University of Technology, Faculty of Mechanical Engineering, Brno, Czech Republic
Early Bursts during Flare Precursor and the Relationship to Onset of Solar Eruption (1158781)
Chunming Zhu, Montana State University, Physics, Bozeman, MT, United States, Jiong Qiu, Montana State University, Department of Physics, Bozeman, MT, United States, Juliana Therese Vievering, Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, Laura Balmaceda, George Mason University, Fairfax, United States, Danny Balentine, Montana State University, Bozeman, United States and Angelos Vourlidas, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Evolution of Coronal Magnetic Field Parameters during X-class Solar Flares (1159270)
Seth Garland, Air Force Institute of Technology, Department of Engineering Physics, Bellbrook, OH, United States, Daniel Emmons, Air Force Institute of Technology, Department of Engineering Physics, Wpafb, United States, Robert Dean Loper Jr, NASA GSFC/CUA, Moon to Mars Space Weather Analysis Office, Greenbelt, United States, Vasyl Yurchyshyn, Big Bear Solar Observatory, Big Bear City, CA, United States and Benjamin Akers, Air Force Institute of Technology, Department of Mathematics and Statistics, Wpafb, United States
Analysis of Flare/CME-Generated Quasi-Periodic Fast-Mode Wave Trains Observed by SDO/AIA (1165157)
Tongjiang Wang, Catholic University of America and NASA's GSFC, Washington, DC, United States, Wei Liu, Lockheed Martin Solar and Astrophysics Lab, Palo Alto, United States, Xudong Sun, University of Hawaii at Manoa, Institute for Astronomy, Honolulu, United States, Leon Ofman, NASA Goddard Space Flight Center, Greenbelt, MD, United States; Catholic University of America, Washington, DC, USA, Washington, DC, United States and Meng Jin, SETI Institute, Mountain View, CA, United States; Lockheed Martin Solar and Astrophysics Laboratory, Palo Alto, United States
The Origin of Underdense Plasma Downflows Associated with Magnetic Reconnection in Solar Eruptions (1165298)
Chengcai Shen1, Bin Chen2, Katharine Reeves3, Sijie Yu2, Vanessa Polito4 and Xiaoyan Xie1, (1)Harvard-Smithsonian Center for Astrophysics, Cambridge, United States, (2)New Jersey Institute of Technology, Edison, NJ, United States, (3)Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States, (4)Bay Area Environmental Research Institue, Moffett Field, CA, United States
Constraints on Solar Flare Energy Transport from Optical and NUV Emission (1174018)
Graham Stewart Kerr1, Adam F Kowalski2, Joel C Allred3, Paulo José de Aguiar Simões4, Lyndsay Fletcher5, Hugh S Hudson6 and Iain G Hannah5, (1)Catholic University of America, Washington, DC, United States, (2)University of Maryland, College Park, MD, United States, (3)NASA GSFC, Solar Physics Lab, Greenbelt, MD, United States, (4)Mackenzie Presbyterian University, School of Engineering, Sao Paulo, Brazil, (5)University of Glasgow, Glasgow, G12, United Kingdom, (6)UC Berkeley, Space Sciences Lab, Berkeley, CA, United States
Modeling Particle Acceleration and Transport in Solar Flare Magnetic Reconnection Region (1179480)
Xiaocan Li, Dartmouth College, Hanover, NH, United States, Fan Guo, Los Alamos National Laboratory, Los Alamos, NM, United States, Bin Chen, New Jersey Institute of Technology, Edison, NJ, United States, Chengcai Shen, Harvard-Smithsonian Center for Astrophysics, Cambridge, United States, Joel Dahlin, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Xiangliang Kong, Shandong University at Weihai, Weihai, China and Lindsay Glesener, University of Minnesota Twin Cities, Minneapolis, United States
Looking for Acoustic Precursor Signals of Solar Eruptive Events with a new Helium D3 Instrument (1186345)
Fallon Konow1, Neil Murphy2, Wayne E Rodgers3 and Stuart Jefferies1, (1)Georgia State University, Atlanta, GA, United States, (2)JPL, Pasadena, CA, United States, (3)Eddy Co., Apple Valley, United States
Microwave and EUV observations of an Eruptive Solar Flare Event Featuring Supra Arcade Downflows (1189487)
Tyler Ford, Wood Dale, Illinois, UNITED STATES, Bin Chen, New Jersey Institute of Technology, Edison, NJ, United States and Yuqian Wei, New Jersey Institute of Technology, Newark, United States
Complete Restructuring of a Magnetic Flux Rope During an Intense Solar Flare (1196245)
Tingyu Gou1, Rui Liu1, Astrid Veronig2, Bin Zhuang3, Ting Li4 and Yuming Wang1, (1)University of Science and Technology of China, Hefei, China, (2)University of Graz, Institute of Physics, Graz, Austria, (3)University of New Hampshire, Durham, United States, (4)National Astronomical Observatories, Beijing, China
UV Foot-point Calorimeter (UFC) Method and the UV-SXR Neupert Effect in Solar Flares (1199077)
Jiong Qiu, Montana State University, Department of Physics, Bozeman, MT, United States, Dana Longcope, Montana State University Bozeman, Bozeman, United States and Chunming Zhu, Montana State University, Physics, Bozeman, MT, United States
