@FilmorBroadcast{Sautter:2022:GrPaAn,
                 cast = "Instituto Nacional de Pesquisas Espaciais (INPE)",
             director = "Sautter, Rubens Andreas",
                  ibi = "8JMKD3MGPDW34P/47TM62B",
                  url = "http://urlib.net/ibi/8JMKD3MGPDW34P/47TM62B",
          runningtime = "12 min",
       seriesdirector = "Santos, Rafael Duarte Coelho dos and Calheiros, Alan James Peixoto 
                         and Queiroz, Gilberto Ribeiro de and Shiguemori, Elcio Hideiti and 
                         Vijaykumar, Nandamudi Lankalapalli and Korting, Thales Sehn and 
                         J{\'u}nior, Valdivino Alexandre de Santiago",
          seriestitle = "Workshop dos Cursos de Computa{\c{c}}{\~a}o Aplicada do INPE, 21 
                         (WORCAP)",
             synopsis = "We present results from the application of the technique known as 
                         Gradient Pattern Analysis (GPA) to study the dynamics of an active 
                         region during a class X flare. Many spatial structures are formed 
                         during the extreme event, such as: filaments, spines, and light 
                         bridges. The formation of such structures is still an open 
                         question in solar physics. In this scenario, the symmetry 
                         fluctuation analysis, from the GPA, is an important clue to solar 
                         physics. The data consists of a 10 December 2010 SDO observation 
                         in 304A of the active region NOAA 11131, for a period of 6 hours. 
                         The results, based on the fluctuation of norms and phases of the 
                         gradient field, are able to detect extreme fluctuations in the 
                         space-time domain, which are compatible with the maximums measured 
                         in SFU. The variation of the spectral indices, via the Power 
                         Spectrum Density, indicates an underlying periodicity of 
                         \$\approx 2.5\$ minutes, a result already evidenced in other 
                         works where the authors propose that these source dynamics are the 
                         result of wavefronts along the loops extending outwards from the 
                         magnetic bundles of the umbra.",
           targetfile = "ST_Gradient pattern.m4v",
                title = "Gradient pattern analysis of the solar active region NOAA 11131",
         yearreleased = "2022",
        urlaccessdate = "15 jun. 2024"
}