Optical observations of the blazar S4 0954+65 reveal that on 2022 May 13 it reaches its maximum brightness at a magnitude R of 12.72, value never recorded before, and shows an evident intra-night variability.
The observations were conducted in 2022 May 11-13 in the framework of the WEBT Collaboration and performed by:
- Astronomical Observatory of the University of Siena (Italy)
by Alessandro Marchini - Foggy Bottom Observatory, Colgate University, Hamilton, NY (USA)
by Thomas J. Balonek, Riley M. Corcoran, John J. Slater, Warner S. Neal - Hans-Haffner Observatory, Friedrich-Koenig-Gymnasium, Würzburg (Germany)
by Christian Lorey, Niels Bader, Noe Boutter, Jonas Seufert, David Reinhart, Dominik Elsaesser
We provide below some preliminary ligthcurves to show the intra-night variability and the highest brightness recorded during this survey.
2022 May 12-13 combined lightcurve from Siena University (Italy) and Colgate University (USA)
On May 13 the blazar S4 0954+65 was observed from Colgate University below R=12.8, a new record for its optical brightness.
2022 May 11 lightcurve from Foggy Bottom Observatory, Colgate University
2022 May 12 lightcurve from Foggy Bottom Observatory, Colgate University
2022 May 13 lightcurve from Foggy Bottom Observatory, Colgate University
On May 13 the blazar S4 0954+65 was observed below R=12.8, a new record for its optical brightness.
2022 May 11-14 lightcurve from Würzburg, Hans Haffner Observatory
