For all six events, leading magnetic flux had a rapid increase after flares. ... Three events showed new sunspot area, predominantly in the form of penumbra. ...
Rapid Changes in the Longitudinal Magnetic Field Associated with. the July 23 2002 gamma-ray Flare ... The 2002 July 23 Gamma-ray Flare. BBSO H at 00:27 UT ...
Some Ha kernels show no correnponding HXR burst. D:53cm Coronagraph. 9 Channel MSDP ... Elementary HXR bursts. Puzzling phenomena - Pre-heating in Ha ...
Signature of Avalanche in Solar Flares as Measured by. Photospheric Magnetic Fields ... a solar flare, then certain signature of avalanche events might be seen ...