Continued optical brightening of [HB89] 0716+714 blazar
ATel #6953; O. I. Spiridonova, V. V. Vlasyuk, A. S. Moskvitin (SAO RAS), V. S. Bychkova (Astro Space Center RAS)
on 19 Jan 2015; 17:07 UT
Credential Certification: Barsukova E.A. (bars@sao.ru)
Subjects: Optical, Blazar
The blazar [HB89] 0716+714 was monitored with the 1-meter telescope Zeiss-1000 (SAO RAS, Russia) in BVRc bands.
The last month of our observations shows a strong brightening of the object in the order of 2 magnitudes. This flare was also reported by Carrasco et al., ATel #6902; Arkharov et al. (ATel #6942); Bachev, Spasov & Boeva, ATel #6944. According to our photometry the object shows intranight variability of up to 0.04 mag during each set. The averaged magnitudes are as follows. The usual error of magnitude in a single image is about 0.01.
Date | B | V | R |
2014 Dec. 20.0 | 14.68 | 14.18 | 13.73 |
2014 Dec. 21.0 | 14.37 | 13.87 | 13.43 |
2014 Dec. 21.95 | 14.40 | 13.89 | 13.44 |
2015 Jan. 17.9 | 12.91 | 12.45 | 12.01 |
2014 Jan. 18.9 | 12.54 | 12.06 | 11.65 |