The Extremes in Intra-Night Blazar Variability: The S4 0954+65 Case

Abstract

We present results of optical observations of the extremely violently variable blazar S4 0954+65 on intra-night time scales. The object showed flux changes of up to 100% within a few hours. Time delays between optical bands, color changes and "rms-flux" relations are investigated and the results are discussed in terms of existing models of blazar variability.

arXiv comment5 pages, accepted for publication in the special issue of Galaxies, "Blazars through Sharp Multi-wavelength Eyes", edited by J. L. Gómez, A. P. Marscher, and S. G. Jorstad

References in corpus (2)

• Multi-band optical micro-variability observations of the BL Lac object S4 0954+658
• Violent intra-night optical variability of the blazar S4 0954+65 during its unprecedented 2015 February outburst

Cited by in corpus (2)

• Intra-night optical flux and polarization variability of BL~Lacertae during its 2020 $-$ 2021 high state
• Intra-night variability of the blazar CTA 102 during its 2012 and 2016 giant outbursts