Long-Term Optical and Spectral Variability of FSRQ 3C454.3

<div>The BVRJK lightcurves of 3C454.3. The black dots stand for B band, the red dots stand for V band, the green dots stand for R band, the blue dots stand for J band, and the cyan dots stand for K band.</div>

Advances in Astronomy

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Figure 1

Figure 1: Long-Term Optical and Spectral Variability of FSRQ 3C454.3 