{
  "bibcode": "2022GCN.31730....1Y",
  "body": "A. Yoshida, T. Sakamoto, V. Pal'shin, 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), S. Ricciarini (U of Florence),\nP. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe long GRB 220310A detected by MAXI/GSC (Negoro et al., GCN Circ. 31725)\ntriggered the CALET Gamma-ray Burst Monitor (CGBM) at 00:27:58.325 UTC\non 10 March 2022\n(http://cgbm.calet.jp/cgbm_trigger/flight/1330907255/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+33.6 sec,and ends at T+47.0 sec.\nThe T90 and T50 durations measured by the SGM data are 33.1 +- 8.3 sec\nand 12.9 +- 1.2 sec (40-1000 keV), respectively.\n\nThe ground processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1330907255/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at the Waseda University.",
  "circularId": 31730,
  "createdOn": 1646900014000,
  "email": "val@phys.aoyama.ac.jp",
  "subject": "GRB 220310A: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Valentin Pal'shin at AGU  <val@phys.aoyama.ac.jp>",
  "eventId": "GRB 220310A"
}