{
  "circularId": 44510,
  "createdOn": 1778393618908,
  "body": "WeiKang Zheng (UCB), Xuhui Han (NAOC), Pinpin Zhang (NAOC) and\n\nAlexei V. Filippenko (UCB) report on behalf of the KAIT GRB team:\n\n\nThe 0.76-m Katzman Automatic Imaging Telescope (KAIT), located at\n\nLick Observatory, observed the field of GRB 260509A (Götz et al.,\n\nGCN 44504 starting at 04:56 UT, 7.08 hours after the burst. A set\n\nof clear (roughly R) filter images were obtained. We detected the\n\nafterglow (O'Neill et al., GCN 44505; Saccardi et al., GCN 44506;\n\nWu et al., GCN 44507; Álvarez et al., GCN 44509) in our coadd image.\n\nWe measure its brightness to be 21.1 +/- 0.2 mag (Vega) at mid time\n\nof 7.37 hours after the burst.\n",
  "submittedHow": "email",
  "submitter": "Weikang Zheng at UC Berkeley <weikang@berkeley.edu>",
  "subject": "GRB 260509A: KAIT optical observations",
  "eventId": "GRB 260509A"
}