MASTER: bright optical QSO flare from BZQJ0206-1150 and dwarf novae outburstsстатья

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[1] Master: bright optical qso flare from bzqj0206-1150 and dwarf novae outbursts / E. Popova, V. Lipunov, D. Buckley et al. // The Astronomer’s Telegram. — 2016. — Vol. 9257. MASTER OT J020626.08-115040.0 - bright QSO optical flare (BZQJ0206-1150) MASTER-SAAO auto-detection system discovered OT source at (RA, Dec) = 02h 06m 26.08s -11d 50m 40.0s on 2016-07-17.06466 UT. OT's unfiltered magnitude is 16.2m (limit 18.9m). We have images with m_OT=17.7 on 2016-05-28 04:16:16.435UT. The OT is seen in 3 images. There is BZQJ0206-1150 flare (USNO-B1 B2=21.88,R2=19.46) . We have reference image with m_OT=19.8 on 2015-11-16.98758 UT (m_lim=20.9). Spectral observations are required. The discovery and reference images are available at http://master.sai.msu.ru/static/OT/MASTEROTJ020626.08-115040.0.png MASTER OT J143312.57-400352.5 discovery - possible dwarf nova outburst, ampl>4m, no VIZIER data MASTER-SAAO auto-detection system discovered OT source at (RA, Dec) = 14h 33m 12.57s -40d 03m 52.5s on 2016-07-10.73882 UT. The OT unfiltered magnitude is 18.0m (limit 19.5m). The OT is seen in 7 images. There is no minor planet at this place. We have reference image without OT on 2015-02-27.04337 UT with unfiltered magnitude limit 20.7m. Spectral observations are required. The discovery and reference images are available at http://master.sai.msu.ru/static/OT/143312.57-400352.5.png MASTER OT J050702.93-121642.3 discovery - ampl>5.5m MASTER-SAAO auto-detection system discovered OT source at (RA, Dec) = 05h 07m 02.93s -12d 16m 42.3s on 2016-07-10.17265 UT. The OT unfiltered magnitude is 16.5m (limit 19.2m). The OT is seen in 3 images. There is no minor planet at this place. We have reference image without OT on 2015-07-26.13176 UT with unfiltered magnitude limit 20.0m. There is no source in USNO-B1 catalogue, it means the 22nd upper optical limit and current flare/outburst amplitude more then 5.5m Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/050702.93-121642.3.png Current outburst MASTER-IAC auto=detection system detected MASTER OT J155215.45+831423.3 (ATEL #5710 (Shurpakov et al.)) on 2016-07-17.04799 UT with m_OT=16.4m.

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