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

<div>The time delays among the different bands.<b> The</b> red lines stand for the Gaussian fitting, the blue lines stand for Locfit regression, and green lines stand for Loess regression.</div>

Advances in Astronomy

fig5

Figure 5

Figure 5: Long-Term Optical and Spectral Variability of FSRQ 3C454.3 