{
  "circularId": 43130,
  "subject": "GRB 251213A: GRID-10B observation",
  "submittedHow": "web",
  "createdOn": 1765817008232,
  "eventId": "GRB 251213A",
  "format": "text/plain",
  "bibcode": "2025GCN.43130....1P",
  "body": "Xiao-Fan Pan, Long-Hao Li, Chen-Yu Wang, Zi-Rui Yang report on behalf of the GRID Collaboration:\n\nGRID reports the detection of GRB 251213A, a long-duration gamma-ray burst. The event triggered GRID-10B at T0 = 2025-12-13 12:30:04 UTC. The measured burst duration (10B) is T90 = 35.5 ± 3.2 s in the 30–2000 keV energy range. The event was also detected by GRID-11B (GCN #43116), GECAM-B (GCN #43106), SVOM/GRM (GCN $43111), and AstroSat CZTI (GCN #43108).\n\nThe GRID light curves for this event are available at https://mirrors.tuna.tsinghua.edu.cn/GRID/data/GRID-GCN/GRB251213A/GRID_GRB251213A_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.",
  "submitter": "GRID Student Team at Tsinghua University <grid@tsinghua.edu.cn>"
}