{
  "bibcode": "2022GCN.32908....1R",
  "body": "S. Ricciarini (U of Florence), A. Yoshida, T. Sakamoto, S. Sugita (AGU),\nY. Kawakubo (LSU), K. Yamaoka (Nagoya U), S. Nakahira (RIKEN),\nY. Asaoka (ICRR), S. Torii, Y. Akaike, K. Kobayashi (Waseda U),\nY. Shimizu, T. Tamura (Kanagawa U), N. Cannady (GSFC/UMBC),\nM. L. Cherry (LSU), P. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe long GRB 221029A (Detection by GRBAlpha: Ripa et al., GCN Circ. 32890;\nSwift/BAT-GUANO detection: DeLaunay et al., GCN Circ. 32891;\nFermi GBM Final Localization: Fermi GBM team, GCN Circ. 32900;\nFermi GBM observation: Mangan et al., GCN Circ. 32903) triggered the CALET\nGamma-ray Burst Monitor (CGBM) at 01:05:26.60 UTC on 29 October 2022\n(http://cgbm.calet.jp/cgbm_trigger/flight/1351040741/index.html).\nThe burst signal was seen by all CGBM detectors.\nNo real-time CGBM GCN notice was distributed about this trigger because\nthe real-time communication from the ISS was off (loss of signal).\n\nThe burst light curve shows a multi-peaked structure that starts\nat T+0.2 sec, peaks at T+1.6 sec, and ends at T+32.4 sec.\nThe T90 and T50 durations measured by the SGM data are 27.6 +/- 0.8 sec\nand 12.7 +/- 1.4 sec (40-1000 keV), respectively.\n\nThe ground-processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1351040741/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at Waseda University.",
  "circularId": 32908,
  "createdOn": 1667534923000,
  "email": "kawakubo1@lsu.edu",
  "subject": "GRB 221029A: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Yuta Kawakubo at Louisiana State U./CALET  <kawakubo1@lsu.edu>",
  "eventId": "GRB 221029A"
}