• DOI:10.1093/mnras/stw571
Corpus ID: 118636633

Furiously fast and red: sub-second optical flaring in V404 Cyg during the 2015 outburst peak

@article{Gandhi2016FuriouslyFA,
  title={Furiously fast and red: sub-second optical flaring in V404 Cyg during the 2015 outburst peak},
  author={P. Gandhi and S. Littlefair and L. Hardy and V. Dhillon and T. Marsh and A. Shaw and D. Altamirano and M. Caballero-Garc{\'i}a and J. Casares and P. Casella and A. Castro-Tirado and P. Charles and Y. Dallilar and S. Eikenberry and R. Fender and R. Hynes and C. Knigge and E. Kuulkers and K. Mooley and T. Mu{\~n}oz-Darias and M. Pahari and F. Rahoui and D. Russell and J. V. H. Santisteban and T. Shahbaz and D. Terndrup and J. Tomsick and D. Walton},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2016},
  volume={459},
  pages={554-572}
}

P. Gandhi, S. Littlefair, +25 authors D. Walton

Published 2016

Physics

Monthly Notices of the Royal Astronomical Society

We present observations of rapid (sub-second) optical flux variability in V404 Cyg during its 2015 June outburst. Simultaneous three-band observations with the ULTRACAM fast imager on four nights show steep power spectra dominated by slow variations on ˜100-1000 s time-scales. Near the peak of the outburst on June 26, a dramatic change occurs and additional, persistent sub-second optical flaring appears close in time to giant radio and X-ray flaring. The flares reach peak optical luminosities… CONTINUE READING

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