{
  "bibcode": "2016GCN.19078....1M",
  "body": "E. Mazaeva (IKI),  A. Kusakin (Fesenkov Astrophysical Institute), I. \nReva (Fesenkov Astrophysical Institute), A. Volnova (IKI),  A. Pozanenko \n(IKI) report on behalf of larger GRB follow-up collaboration:\n\nWe observed the Swift GRB 160225A (Siegel  et al., GCN 19075) with \nZeiss-1000 (West) 1-m telescope of Tien Shan Astronomical Observatory. \nWe obtained several images in R filter starting on  Feb. 25 (UT) \n14:46:05. In the first images we do not detect any optical source within \nenhanced Swift-XRT position (Goad et al., GCN 19077). Preliminary \nphotometry of one of  single 90 s image is following\n\n\nDate        UT start   t-T0    Filter  Exp.   UL (3sigma)\n                       (mid, days)     (s)\n\n\n2016-02-25 14:47:35   0.01903  R      1*90    18.90",
  "circularId": 19078,
  "createdOn": 1456421878000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 160225A: TSHAO optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 160225A"
}