Browsing Institutt for teoretisk astrofysikk by Author "Ovaldsen, Jan-Erik"
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Ovaldsen, Jan-Erik (Master thesis / Hovedoppgave, 2002)Five years (1992-1997, ~2650 images) of optical observations of the gravitational lens system QSO 0957+561 were analyzed using a new photometry package developed by Jan Teuber and me. My supervisor was Prof. Rolf Stabell, ...