The confined X-class flares of solar active region 2192
JK Thalmann, Y Su, M Temmer… - The Astrophysical …, 2015 - iopscience.iop.org
The unusually large active region (AR) NOAA 2192, observed in 2014 October, was
outstanding in its productivity of major two-ribbon flares without coronal mass ejections. On a …
outstanding in its productivity of major two-ribbon flares without coronal mass ejections. On a …
A statistical study of solar white-light flares observed by the white-light solar telescope of the Lyman-alpha solar telescope on the Advanced Space-based Solar …
Z Jing, Y Li, L Feng, H Li, Y Huang, Y Li, Y Su, W Chen… - Solar Physics, 2024 - Springer
Solar white-light flares (WLFs) are those accompanied by brightenings in the optical
continuum or integrated light. The White-light Solar Telescope (WST), as an instrument of …
continuum or integrated light. The White-light Solar Telescope (WST), as an instrument of …
Velocity and magnetic transients driven by the X2. 2 white-light flare of 2011 February 15 in NOAA 11158
RA Maurya, P Vemareddy… - The Astrophysical …, 2012 - iopscience.iop.org
The first X-class flare of the current solar cycle 24 occurred in Active Region NOAA 11158
during its central meridian passage on 2011 February 15. This two-ribbon white-light flare …
during its central meridian passage on 2011 February 15. This two-ribbon white-light flare …
Fine structures in the atmosphere above a sunspot umbra
L Bharti, J Hirzberger, SK Solanki - Astronomy & Astrophysics, 2013 - aanda.org
We present simultaneous photospheric and chromospheric observations of the trailing
sunspot in NOAA 10904, obtained with the Swedish Solar Telescope (SST) La Palma …
sunspot in NOAA 10904, obtained with the Swedish Solar Telescope (SST) La Palma …
Filament eruption in NOAA 11093 leading to a two-ribbon M1. 0 class flare and CME
We present a multi-wavelength analysis of an eruption event that occurred in active region
NOAA 11093 on 7 August 2010, using data obtained from SDO, STEREO, RHESSI, and the …
NOAA 11093 on 7 August 2010, using data obtained from SDO, STEREO, RHESSI, and the …
Automated detection of low-contrast solar features using the phase-congruency algorithm
We propose a new feature-detection technique based on phase-congruency (PC)
measurements to automatically recognize or enhance faint features in solar observations …
measurements to automatically recognize or enhance faint features in solar observations …
Transient Artifacts in a Flare Observed by the Helioseismic and Magnetic Imager on the Solar Dynamics Observatory
JC Martínez Oliveros, C Lindsey, HS Hudson… - Solar Physics, 2014 - Springer
Abstract The Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics
Observatory (SDO) provides a new tool for the systematic observation of white-light flares …
Observatory (SDO) provides a new tool for the systematic observation of white-light flares …
An automated algorithm to distinguish and characterize solar flares and associated sequential chromospheric brightenings
MS Kirk, KS Balasubramaniam, J Jackiewicz… - Solar Physics, 2013 - Springer
We present a new automated algorithm to identify, track, and characterize small-scale
brightening associated with solar eruptive phenomena observed in Hα. The temporal …
brightening associated with solar eruptive phenomena observed in Hα. The temporal …
Properties of Sequential Chromospheric Brightenings and Associated Flare Ribbons
MS Kirk, KS Balasubramaniam… - The Astrophysical …, 2012 - iopscience.iop.org
We report on the physical properties of solar sequential chromospheric brightenings (SCBs)
observed in conjunction with moderate-sized chromospheric flares with associated Coronal …
observed in conjunction with moderate-sized chromospheric flares with associated Coronal …
Automated Solar Flare Detection and Feature Extraction in High-Resolution and Full-Disk H Images
M Yang, Y Tian, Y Liu, C Rao - Solar Physics, 2018 - Springer
In this article, an automated solar flare detection method applied to both full-disk and local
high-resolution H α \upalpha images is proposed. An adaptive gray threshold and an area …
high-resolution H α \upalpha images is proposed. An adaptive gray threshold and an area …