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GCN Circular 27958

Subject
GRB 200613A: continued AbAO optical afterglow observations
Date
2020-06-15T21:49:44Z (4 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), A. Pozanenko (IKI), R. Ya. Inasaridze (AbAO), V. R. 
Ayvazian (AbAO),�� G. V. Kapanadze (AbAO),�� E. Mazaeva�� (IKI), A. Volnova 
(IKI), I. Molotov (KIAM)�� report on behalf of IKI-GRB-FuN:

We continue observations of Fermi�� GRB 200613A (Fermi GBM team, GCN 
27926; Bissaldi et al., GCN 27930; Ohno et al., GCN 27931) with�� AS-32 
telescope of Abastumani observatory in R-filter. The afterglow (e.g., 
Kann et al., GCN 27935; Kennea et al., GCN 27936; Pozanenko et al., GCN 
27937; Izzo et al., GCN 27939; Zhu et al., GCN 27943) is detected in a 
stacked image. Preliminary photometry of the afterglow is following

Date,���������� UT start, t-T0, Exp.,�� Filter, OT,������ Err., UL
 �������������������������������������� (mid, days)

2020-06-15�� 17:44:15 2.53029 49*60�� R������������ 20.47�� 0.11�� 21.9

The photometry is based on nearby SDSS DR12 stars
SDSS-DR12_id�������������� R(Lupton)
J101149.76+454320.7 12.404
J101245.45+455119.1 13.328
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