{
  "eventId": "GRB 261026A",
  "subject": "GRB 261026A: CrAO ZTSh optical observations",
  "submittedHow": "email",
  "circularId": 46240,
  "body": "A. Moskvitin (SAO), V. Rumyantsev (CrAO), A. Pozanenko (IKI),\nA. Volnova (IKI), N. Pankov (IKI) report on behalf of SAO GRB\nfollow-up team and IKI GRB-FuN.\n\nWe observed the field of the GRB 261026A discovered by SVOM\n(Goto et al., GCN 46030; Xie et al., GCN 46068), also detected\nby EP-FXT (Jiang et al., GCN 46058) with the Shajn 2.6-meter\ntelescope (ZTSh) of the Crimean Astrophysical Observatory (CrAO)\non 2026-11-10T16:05:36--2026-11-10T17:35:39 UT.\n\nThe OT (Dornic et al., GCN 46033; Zheng et al., GCN 46034; Wu et al.,\nGCN 46035; Li et al., GCN 46046; Morín-González et al., GCN 46048;\nCoyo et al., GCN 46054; Moskvitin et al., GCN 46062; Li et al.,\nGCN 46063; Moskvitin et al., GCN 46110; also observed in NIR:\nMohan et al., GCN 46041; Shi et al., GCN 46047; Manyan et al.,\nGCN 46064) is detected in our stacked frame.\nDetails of the observation are the following.\n\nDate        UT start  t-T0      Exp,    Filter Obj       Err  UL\n                     (mid,days) (n*s)                         (3sigma)\n2026-11-10  16:05:36 15.44515   43*120  R      23.28 +/- 0.25 24.6\n\n\nThis preliminary photometry (Vega) is based on nearby SDSS stars\n(Lupton 2005 transformation) and not corrected for Galactic extinction.\n",
  "submitter": "Alexander Moskvitin at SAO RAS <mosk@sao.ru>",
  "createdOn": 1794504394538
}