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Geophysical Research Letters, ISSN 0094-8276, 09/2018, Volume 45, Issue 17, pp. 8803 - 8810
Journal Article
Astrophysical Journal, ISSN 0004-637X, 10/2018, Volume 865, Issue 2, p. 139
Using the 135 s cadence of the photospheric vector data provided by the Helioseismic and Magnetic Imager telescope on board the Solar Dynamic Observatory, we... 
Sun: flares | Sun: photosphere | sunspots | Sun: corona | Sun: magnetic fields | SUNSPOT ROTATION | OBSERVATIONAL EVIDENCE | X-CLASS | CORONAL MASS EJECTIONS | IMPULSIVE PHASE | SHEARING MOTION | FIELD CHANGES | MAJOR SOLAR EVENT | ASTRONOMY & ASTROPHYSICS | TETHER-CUTTING RECONNECTION | ELECTRIC-CURRENTS | Physics - Solar and Stellar Astrophysics
Journal Article
Journal Article
Journal Article
Astrophysical Journal, ISSN 0004-637X, 06/2018, Volume 860, Issue 1, p. 58
Using Solar Dynamics Observatory/Helioseismic and Magnetic Imager vector magnetic field observations, we studied the relation between the degree of magnetic... 
Sun: flares | Sun: general | Sun: photosphere | Sun: activity | Sun: magnetic fields | Sun: coronal mass ejections (CMEs) | VECTOR MAGNETOGRAMS | CORONAL MASS EJECTIONS | ENERGY-RELEASE | FIELD PROPERTIES | X-CLASS FLARES | SOLAR ACTIVE REGIONS | HELICITY | ASTRONOMY & ASTROPHYSICS | LINE | PRODUCTIVITY | ELECTRIC-CURRENTS
Journal Article
Astrophysical Journal, ISSN 0004-637X, 01/2018, Volume 852, Issue 1, p. 25
Abrupt and permanent changes of photospheric magnetic fields have been observed during solar flares. The changes seem to be linked to the reconfiguration of... 
Sun: flares | Sun: magnetic fields | Sun: photosphere | RAY FLARE | FLUX | X-CLASS FLARES | WHITE-LIGHT FLARES | ATMOSPHERE | FLARING ACTIVE REGIONS | ASTRONOMY & ASTROPHYSICS | TRANSIENTS | DYNAMICS-OBSERVATORY SDO | RAPID CHANGES | EMISSION | Physics - Solar and Stellar Astrophysics
Journal Article
Astrophysical Journal, ISSN 0004-637X, 01/2018, Volume 853, Issue 1, p. 41
We study the energy release process of a set of 51 flares (32 confined, 19 eruptive) ranging from GOES class B3 to X17. We use Ha filtergrams from Kanzelhohe... 
Sun: activity | magnetic reconnection | Sun: coronal mass ejections (CMEs) | CORONAL MASS EJECTIONS | SOLAR-FLARES | ENERGY-RELEASE | NONTHERMAL ELECTRONS | X-CLASS FLARES | MODEL | KANZELHOHE | RATES | ASTRONOMY & ASTROPHYSICS | STATISTICAL PROPERTIES | Physics - Solar and Stellar Astrophysics
Journal Article
Astrophysical Journal Letters, ISSN 2041-8205, 07/2015, Volume 808, Issue 1, pp. L24 - 8
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 03/2005, Volume 622, Issue 1 I, pp. 722 - 736
A large fraction of major flares occur in active regions that exhibit a delta configuration. The formation and disintegration of delta configurations is very... 
Sun: flares | Sun: activity | Sun: corona | Sunspots | Sun: magnetic fields | SOLAR-FLARES | TRANSITION REGION | FLUX EMERGENCE | X-CLASS FLARES | Sun : flares | MICHELSON DOPPLER IMAGER | MODEL | MAGNETIC-FIELD EVOLUTION | Sun : corona | NESTED SUNSPOTS | Sun : magnetic fields | ASTRONOMY & ASTROPHYSICS | CORONAL EXPLORER | Sun : activity | sunspots | JULY 14
Journal Article
Astrophysical Journal, ISSN 0004-637X, 08/2016, Volume 826, Issue 2, pp. 173 - 173
Journal Article
Solar Physics, ISSN 0038-0938, 8/2006, Volume 237, Issue 1, pp. 45 - 59
From a large number of SOHO/MDI longitudinal magnetograms, three physical measures including the maximum horizontal gradient, the length of the neutral line,... 
Extraterrestrial Physics, Space Sciences | Physics | Astronomy | Astronomy, Astrophysics and Cosmology | TOPOLOGY | EVOLUTION | ASTRONOMY & ASTROPHYSICS | ELECTRIC CURRENTS | DELTA-SPOTS | RECONNECTION | FLUX | X-CLASS FLARES | QUIET ACTIVE REGIONS | SUNSPOT GROUPS | Magnetic fields | Analysis | Solar flares
Journal Article
Astrophysics and Space Science, ISSN 0004-640X, 4/2014, Volume 350, Issue 2, pp. 443 - 447
We investigate the statistical distribution of X-class flares and their relationship with super active regions (SARs) during solar cycles 21–23. Analysis... 
X-class flares | Extraterrestrial Physics, Space Sciences | Astrophysics and Astroparticles | Astrobiology | Sun: solar flares | Sun: sunspots | Cosmology | Super active region | Physics | Astronomy, Observations and Techniques | GEOMAGNETIC STORMS | ASTRONOMY & ASTROPHYSICS | RAY FLARES | SUN | ZONES | Weather | Analysis | Solar cycle | Statistical analysis | Solar flares
Journal Article
Solar Physics, ISSN 0038-0938, 04/2014, Volume 289, Issue 4, pp. 1227 - 1237
Multiple-beam observations of solar flares at submillimeter wavelengths need detection with at least four beams to derive the flux density F of the emitting... 
Instrumental effects | Radio bursts, association with flares | Corona, radio emission | MILLIMETER | SOLAR-FLARES | SUBMILLIMETER WAVELENGTHS | RAY OBSERVATIONS | BURST | PHASE | SPECTRAL COMPONENT | ASTRONOMY & ASTROPHYSICS | EMISSION | X-CLASS FLARE | RANGE | Measurement | Specific gravity | Telescope | Density | Measurement techniques | Radio telescopes
Journal Article