We present results of three‐dimensional numerical modelling of the coronal magnetic field
in the active region NOAA 9077, where a large two‐ribbon flare (3B/X57) occurred on 2000 …

We present a topological model of the active region NOAA 9077, where the large two-ribbon
flare (3B/X5. 7) occurred on July 14, 2000. The coronal magnetic field was reconstructed on …

Abstract On July 14, 1998, a class M3 flare occurred at 12: 55 UT in AR 8270 near disc
center. Kitt Peak line-of-sight magnetograms show that the flare occurred in a δ-spot. Mees …

We have performed the analysis of the magnetic topology of active region NOAA 10486
before two large flares occurring on October 26 and 28, 2003. The 3D extrapolation of the …

Using observational data obtained with the Yohkoh, SOHO, and TRACE satellites, it is
shown that the three-dimensional structure of the large solar flare of July 14, 2000 was …

We present a detailed analysis of the magnetic topology of AR 6233 on two consecutive
days (August 28 and 29, 1990) and compare the location of the magnetic separatrices and …

The interaction of magnetic structures and the conversion of magnetic free energy into
heating of the plasma and acceleration of particles are commonly accepted as the origin of …

An M1. 3 solar flare was observed on April 12th, 2000 in EUV by TRACE. Photospheric
magnetograms were also obtained from observations by SOHO/MDI around the time of the …

The active region 8210 observed on May 1, 1998 is the site of several flares (3 C-class flares
from 17: 00 UT to 22: 00 UT and one M-class flare at 22: 40 UT). In this study, we analyse the …

On 27 October, 2003, two GOES M-class flares occurred in an interval of 3h in active region
NOAA 10486. The two flares were confined and their associated brightenings appeared at …