Brajesh, Kumar; Raja Bayanna, A; Venkatakrishnan, P; Kuchandy Mathew, S
(IOP Publishing, 2016-08)
The solar active region NOAA 11719 produced a large two-ribbon flare on 2013 April 11. We have investigated sudden variations in the photospheric magnetic fields in this active region during the flare by employing magnetograms ...