{
  "bibcode": "2020GCN.27964....1Y",
  "body": "K. Yamaoka (Nagoya U),\nA. Yoshida, T. Sakamoto, V. Pal'shin, S. Sugita (AGU),\nY. Kawakubo (LSU), S. Nakahira (RIKEN),\nY. Asaoka, S. Torii (Waseda U), Y. Shimizu, T. Tamura (Kanagawa U),\nN. Cannady (GSFC/UMBC), M. L. Cherry (LSU),\nS. Ricciarini (U of Florence), P. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe very long GRB 200613A (Fermi GBM observation: Bissaldi and Lesage,\nGCN Circ. 27930; Fermi-LAT detection: Ohno et al., GCN Circ. 27931;\nhttps://gcn.gsfc.nasa.gov/other/200613A.gcn3) triggered the CALET\nGamma-ray Burst Monitor (CGBM) at 05:30:08.657 UTC on 13 June 2020.\nThe burst signal was seen by all CGBM detectors.\nBecause of a problem in one of the ground alert processing script,\nthe GCN notice was not distributed automatically for this event.\n\nThe burst light curve shows the main emission episode which starts at\nT-1 sec, peaks at T+11 sec and ends at T+35 sec, followed by a much weaker\nemission episode which starts at ~T+278 sec and ends at ~T+423 sec.\nThe T90 and T50 durations measured by the SGM data are 381 +- 34 sec and\n268 +- 237 sec (40-1000 keV), respectively.\n\nThe ground processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1276061388/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at the Waseda University.",
  "circularId": 27964,
  "createdOn": 1592310885000,
  "email": "val@phys.aoyama.ac.jp",
  "subject": "GRB 200613A: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Valentin Pal'shin at AGU  <val@phys.aoyama.ac.jp>",
  "eventId": "GRB 200613A"
}