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  • On signatures of twisted magnetic flux tube emergence 

    Vargas Domínguez, Santiago; MacTaggart, David; Green, Lucie; van Driel-Gesztelyi, Lidia; Hood, Alan W. (Springer Verlag, 2012)
    Recent studies of NOAA active region 10953, by Okamoto et al. (Astrophys. J. Lett. 673, 215, 2008; Astrophys. J. 697, 913, 2009), have interpreted photospheric observations of changing widths of the polarities and reversal ...