February 2004

1,2,3 - Bright structure inside a CH

++4 - 11:12 UT: impulsive C9.9 flare in AR inside a CH; narrow CME, See Events!!
                         our good spectrum with high-frequency type II

Detection of spike-like structures near the front of type-II bursts
S. Armatas, C. Bouratzis, A. Hillaris, C.E. Alissandrakis, P. Preka-Papadema, X. Moussas, E. Mitsakou, P. Tsitsipis, A. Kontogeorgos
A&A                 2019
https://arxiv.org/pdf/1902.10617.pdf


+ 7 - Interesting chains

8, 9 - A number of small e-limb eruptions and impulsive flares

8,11 Feb
Periodic Oscillations in LASCO Coronal Mass Ejection Speeds: Space Seismology
Grzegorz Michalek1, Nat Gopalswamy2, and Seiji Yashiro2,3
2022 ApJL 927 L16
https://iopscience.iop.org/article/10.3847/2041-8213/ac54b0/pdf

10-14 - CH-inside structure, chains

13 - SE CME and giant slow N CME

15 -   :  Low activity

21- 00 UT: chains

22 - 18-19 UT: NW CME

+24 - 14 UT: SW filament eruption followed by clear two ribbons; See Events!

Magnetic fluxes of solar active regions of different magneto-morphological classes: I. Cyclic variations
Valentina I. Abramenko, Regina A. Suleymanova, Anastasija V. Zhukova
MNRAS           2022
https://arxiv.org/pdf/2212.07115.pdf

25 - 12:30 UT: central C8 flare; See Events

+26 - +02 UT: central X1.1 non_LDE flare without noticeable metric emission and CME: See Events
         +22:30 UT: M5.7 non_LDE flare without noticeable metric emission and CME; See Events

Search for Solar Flare Neutrinos with the KamLAND detector
S. Abe, S. Asami, A. Gando, Y. Gando, T. Gima, A. Goto, ….
ApJ           2021
https://arxiv.org/pdf/2105.02458.pdf

A reconnection-driven model of the hard X-ray loop-top source from flare 2004-Feb-26
Dana Longcope, Jiong Qiu, Jasmine Brewer 2016
 https://arxiv.org/pdf/1610.07953v1.pdf 

Particle Acceleration and Propagation in Strong Flares without Major Solar Energetic Particle Events
K.-L. Klein • G. Trottet • S. Samwel • O. Malandraki
Solar Phys (2011) 269: 309–333; File

A Quantitative Model of Energy Release and Heating
by Time-dependent, Localized Reconnection in a Flare
with Thermal Loop-top X-ray Source
D.W. Longcope · A.C. Des Jardins · T. Carranza-Fulmer · J. Qiu
Solar Phys (2010) 267: 107–139

Energetic Particle Acceleration and Propagation in Strong CME-Less Flares
K.-L. Klein • G. Trottet • A. Klassen
Solar Phys (2010) 263: 185–208, DOI 10.1007/s11207-010-9540-5; File

An Estimation of Spatial Variations of Magnetic Field and Superthermal Electron Distribution in cm-Radio Burst Sources
L.V. Yasnov • M. Karlicky
Solar Phys (2009) 260: 363–373

A COMPARATIVE STUDY BETWEEN ERUPTIVE X-CLASS FLARES ASSOCIATED
WITH CORONAL MASS EJECTIONS AND CONFINED X-CLASS FLARES
Yuming Wang1,2 and Jie Zhang
Astrophysical Journal, 665:1428Y1438, 2007 August; File

28
Small electron acceleration episodes in the solar corona
Tomin James, Prasad Subramanian, Eduard P Kontar
MNRAS               2017
https://arxiv.org/pdf/1706.04031.pdf