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Horizontal Plasma Motions around a Solar Pore

Authors: Dorotovic I., Journoud P.:

Ref.: Proceedings XIV Encontro Nacional de Astronomia e Astrofísica, Angra do Heroísmo, Terceira, Açores, Portugal, 22 – 23 July 2004 (published on CD), published on CD (2004)

Abstract: High resolution study of photometric characteristics and a structure of features in the solar photosphere has already attracted a lot of observational and theoretical interest. The analysis of an 11-hour series of high resolution white-light observations of a large pore in the sunspot group NOAA 7519, observed on 5 June 1993 at the Swedish Vacuum Solar Telescope, La Palma, Canary Islands, was described in a recent paper (Dorotovic et al., 2002). In this paper we describe briefly the results obtained in that investigation. Moreover, a software tool to estimate the directions and velocity values in the high-resolution images is described as well.