{
  "bibcode": "2020GCN.28003....1B",
  "body": "S. Belkin (IKI), A. Pozanenko (IKI),�� V. Rumyantsev (CrAO),�� A. Volnova \n(IKI), E. Mazaeva (IKI) report on behalf of larger GRB follow-up \ncollaboration:\n\nWe observed the�� GRB 200613A (Fermi GBM team, GCN 27926; Bissaldi et \nal., GCN 27930; Ohno et al., GCN 27931; Yamaoka Ohno et al., GCN 27964)�� \nwith ZTSH 2.6m telescope of CrAO observatory starting on 2020-06-20 (UT) \n19:19:12.�� The optical afterglow (e.g., Kann et al., GCN 27935; \nPozanenko et al., GCN 27937; Izzo et al., GCN 27939; Zhu et al., GCN \n27943; Marshall, GCN 27944; Liu et al., GCN 27949; Belkin et al., GCN \n27958) is detected in a stacked image. Preliminary photometry of the \nafterglow is following\n\nDate������������ UT start�� t-T0������ Filter Exp.���� OT������ Err. UL\n �������������������������������������� (mid, days)�������� (s)\n2020-06-20 19:19:12�� 6.58142 R���������� 6*120 21.13 0.10 22.7\n\nThe photometry is based on nearby SDSS star\nSDSS-DR12_id���������� R(Lupton)\nJ101207.75+454443.4 17.877\n\nA light curve of the afterglow of�� GRB 200613A can be found in \nhttp://grb.rssi.ru/GRB200613A/GRB200613A_lc_v2.png",
  "circularId": 28003,
  "createdOn": 1592735797000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 200613A: Continued CrAO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 200613A"
}