{
  "editedOn": 1779057796618,
  "body": "Longhao Li, Tingkai Sun, Chenyv Wang report on behalf of the GRID Collaboration:\n\nGRID-09 reports the detection of the long-duration GRB 260507A, which was also detected by Fermi GBM (GCN Circular 44493), MASS-Cube (GRID 2.0,GCN Circular 44583).\n\nThe event was triggered with GRID on 2026-05-07 at 20:28:00 UTC. The measured burst duration (T90) in the 30-2000 keV range is approximately 12.1 +/- 2.8 seconds. \n\nThe GRID light curve of this event can be found at https://mirrors.tuna.tsinghua.edu.cn/GRID/data/GRID-GCN/GRB260507A/GRID_260507A_ltcv.pdf.\n\nGRID is a student-led project to monitor the transient gamma-ray sky with multiple detectors onboard different nanosatellites in the era of multi-messenger astronomy. For more information about GRID, please refer to the following references: https://doi.org/10.1007/s10686-019-09636-w and https://doi.org/10.1007/s10686-021-09819-4.\n",
  "submittedHow": "web",
  "submitter": "GRID Student Team at Tsinghua University <grid@tsinghua.edu.cn>",
  "format": "text/plain",
  "createdOn": 1778896063156,
  "eventId": "GRB 260507A",
  "version": 2,
  "editedBy": "Vidushi Sharma at NASA GSFC/UMBC <vidushi.sharma@nasa.gov> on behalf of GRID Student Team at Tsinghua University <grid@tsinghua.edu.cn>",
  "bibcode": "2026GCN.44630....1L",
  "circularId": 44630,
  "subject": "GRID detection of GRB 260507A"
}