MASTER: optical activity of flaring FSRQ PMN J1903- 6749
ATel #13775; V. Lipunov, K. Zhirkov, O. Gress, K. Zhirkov, V. Kornilov, E. Gorbovskoy, A. Chasovnikov, N. Tiurina, P. Balanutsa, I. Gorbunov, A. Kuznetsov, V. Vladimirov, D. Vlasenko, F. Balakin, D. Zimnukhov, D. Cheryasov, V. Senik, E. Minkina, V. Grinshpun, V. Shumkov, T. Pogrosheva, V. Topolev, A. Pozdnyakov (Lomonosov MSU), D. A. H. Buckley (SAAO), R. Podesta, F. Podesta, C. Francile (OAFA), H. Levato (SJNU), N. M. Budnev(ISU, API), A. Gabovich, Yu. Sergienko(BSPU), R. Rebolo, M. Serra-Riscart, (IAC), A. Tlatov, D. Dormidontov(Kislovodsk Solar Station of the Pulkovo Observatory)
on 2 Jun 2020; 19:37 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)
Subjects: Optical, Gamma Ray, AGN, Blazar, Quasar
MASTER-NET reports on enhanced optical activity of the flaring FSRQ PMN J1903-
6749 as reported by the Fermi-LAT Collaboration (Angioni et al. ATEL #13767).
MASTER-OAFA and MASTER-SAAO observed this object at the beginning and the end of the day
of the gamma-ray flare.
We obtain three frames on which the object is clearly visible, although the
second one has heavily distorted objects.
Date | Time UTC | magnitude | Filter | Facility
2020-05-27 | 00:55:44 | 16.03 | C | MASTER-OAFA
2020-05-27 | 20:36:15 | 15.41 | C | MASTER-SAAO
2020-05-28 | 03:31:24 | 14.38 | C | MASTER-OAFA
We used GAIA catalog for flux calibration.
We conclude that during the gamma-ray flare object experienced an optical flare with an amplitude
of at least 1.6 magnitude.
We encourage further multi-wavelength support of this object.
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