High-precision optical polarimetry of the accreting black hole V404 Cyg during the June 2015 outburst

Ilia A. Kosenkov, Andrei V. Berdyugin, Vilppu Piirola +4

Our simultaneous three-colour ($BVR$) polarimetric observations of the low-mass black hole X-ray binary V404 Cyg show a small but statistically significant change of polarization d…