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MASTER: OT detection during Fermi trigger inspection

ATel #9778; E. Popova, V. Lipunov (Lomonosov MSU), D. Buckley (SAAO), E. Gorbovskoy, N. Tiurina, P. Balanutsa, A. Kuznetsov, V. Kornilov, V. Chazov, D. Vlasenko, V. Vladimirov, O. Gress, K. Ivanov (Lomonosov Moscow State University, SAI), S. Potter (South African Astronomical Observatory), A. Gabovich (BSPU)
on 21 Nov 2016; 20:18 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Gamma-Ray Burst, Transient, Variables

MASTER OT J032252.81-482912.8 discovery at the time of Fermi trigger 501261070 inspection

During inspection of Fermi trigger 501261070 ( (Ra,Dec)=47.190,-47.210; GRB_ERROR_radius=3.27deg, GRB_TIME=2016/11/19 15:11:06.40UT http://gcn.gsfc.nasa.gov/other/501261070.fermi )
MASTER-SAAO auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L ) discovered OT source at (RA, Dec) = 03h 22m 52.70s -48d 29m 10.9s on 2016-11-19 21:17:17.878UT with unfiltered m_OT=17.8 (mlim=19.7).
This OT is seen with m_OT=17.8 on 6 images, from 2016-11-19 21:07:11 to 2016-11-19 21:20:34 (unfiltered m_lim=19.8 on single and 20.7 on summary images).
There is no OT on 2016-11-18 21:14:00UT with unfiltered mlim=20.3 and on 2016-11-20 22:48:44UT with mlim=19.8
There is no any sources in VIZIER database outside.
Spectral observations are required.
The discovery and reference images are available at:
http://master.sai.msu.ru/static/OT/032252.81-482912.8.png

List of Optical Transients discovered by MASTER

MASTER Global Robotic Net