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Fig. 13


Combined optical-UV spectra of PG 0043+039, corrected for Galactic reddening, taken in the years 2013 (red lines) and 1990/1991 (blue lines). In addition the spectral OM data are given taken with the XMM-Newton satellite in 2005 (green data). Furthermore, the power-law continua to the UV and optical spectral ranges are shown.

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