{
  "bibcode": "2022GCN.32139....1Y",
  "body": "K. Yamaoka (Nagoya U), A. Yoshida, T. Sakamoto, S. Sugita (AGU),\nY. Kawakubo (LSU), S. Nakahira (RIKEN), Y. Asaoka (ICRR),\nS. Torii, Y. Akaike, K. Kobayashi (Waseda U),\nY. Shimizu, T. Tamura (Kanagawa U), N. Cannady (GSFC/UMBC),\nM. L. Cherry (LSU), S. Ricciarini (U of Florence),\nP. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe bright long GRB 220527A (AGILE detection: Ursi et al., GCN Circ. 32129;\nFermi GBM Final Real-time Localization: Fermi GBM team, GCN Circ. 32130; \nFermi-LAT detection: Bissaldi et al., GCN Circ. 32131) triggered the CALET\nGamma-ray Burst Monitor (CGBM) at 09:17:14.518 UTC on 27 May 2022\n(http://cgbm.calet.jp/cgbm_trigger/flight/1337678064/index.html).\nThe burst signal was seen by all CGBM detectors.\n\nThe burst light curve shows a multi-peaked structure which starts\nat T+0.5 sec, peaks at T+9.1 sec, and ends at T+21.9 sec.\nThe T90 and T50 durations measured by the SGM data are 10.2 +/- 1.0 sec\nand 3.9 +/- 0.1 sec (40-1000 keV), respectively.\n\nThe ground processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1337678064/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at the Waseda University.",
  "circularId": 32139,
  "createdOn": 1653707453000,
  "email": "kawakubo1@lsu.edu",
  "subject": "GRB 220527A: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Yuta Kawakubo at Louisiana State U./CALET  <kawakubo1@lsu.edu>",
  "eventId": "GRB 220527A"
}