{
  "bibcode": "2019GCN.23881....1S",
  "body": "I. V. Sokolov (Terskol Peak Observatory), A. V. Sergeev (Terskol Peak\nObservatory), A. S. Moskvitin (SAO RAS), V. B. Petkov (BNO INR RAS)\nreport on behalf of larger collaboration.\n\nWe observed the field of the GRB 190202A (Lien et al., GCNC #23830)\nwith the Zeiss-2000 telescope of Terskol Peak Observatory\non February, 3, 21:14:49--22:52:52 UT.\n\nWe detected the OT (Novichonok et al., GCNC #23831; Steeghs et al.,\nGCNC #23833; Paul Kuin & A. Y. Lien, GCNC #23834; Cucchiara,\nGCNC #23839; Paek et al., GCNC #23841; Malesani et al., GCNC #23842; Belkin\net al., 23843; Moskvitin & Spiridonova, GCNC #23844;\nBrajesh Kumar et al., GCNC #23853; Moskvitin et al., GCNC #23870;\nXu et al., GCNC #23871) in the stacked 16 x 180 sec. R band image.\n\nPreliminary brightness of OT is R = 21.92 +/- 0.17 (T-T0 = 1.850 d).\nThe calibrations is based on nearby SDSS stars, magnitudes converted\nwith the Lupton 2005 equations.",
  "circularId": 23881,
  "createdOn": 1549574039000,
  "email": "mosk@sao.ru",
  "subject": "GRB 190202A: Terskol 2-m optical observations",
  "submitter": "Moskvitin Alexander at SAO RAS  <mosk@sao.ru>",
  "eventId": "GRB 190202A"
}