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Variability of the Spectral Energy Distribution of the Blazar S5 0716+714
B. Rani, Alok C. Gupta, Paul J. Wiita
The emission from blazars is known to be variable at all wavelengths. The flux variability is often accompanied by spectral changes. Spectral energy distribution (SED) changes must…
Quasi-Periodic Oscillations of ~ 15 minutes in the Optical Light Curve of the BL Lac S5 0716+714
Bindu Rani, Alok C. Gupta, U. C. Joshi +2
Over the course of three hours on 27 December 2008 we obtained optical (R-band) observations of the blazar S5 0716+714 at a very fast cadence of 10 s. Using several different techn…
Short Term Flux and Colour Variations in Low-Energy Peaked Blazars
Bindu Rani, Alok C. Gupta, A. Strigachev +11
We have measured multi-band optical flux and colour variations for a sample of 12 low energy peaked blazars on short, day-to-month, timescales. Our sample contains six BL Lacertae…