{
  "circularId": 40932,
  "bibcode": "2025GCN.40932....1K",
  "body": "K. Kobayashi (Waseda U), A. Yoshida, T. Sakamoto, S. Sugita,\nY. Kawakubo (AGU), K. Yamaoka (Nagoya U), S. Nakahira (JAXA),\nY. Asaoka (ICRR), S. Torii, Y. Akaike,  (Waseda U), Y. Shimizu,\nT. Tamura (Kanagawa U), N. Cannady (GSFC/UMBC), M. L. Cherry (LSU),\nS. Ricciarini (U of Florence), P. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe long GRB 250702A (Fermi GBM Final Real-time Localization: Fermi GBM team,\nGCN Circ. 40881; BALROG localization: Preis et al., GCN Circ 40882; Fermi GBM \nDetection: Malacaria et al., GCN Circ. 40887; GECAM-B detection: Wang et al.,\nGCN Circ. 40992) triggered the CALET Gamma-ray Burst Monitor (CGBM) at \n09:54:05.81 UTC on 2 July 2025\n(https://cgbm.calet.jp/cgbm_trigger/flight/1435484973/index.html).\nThe burst signal was seen by all CGBM detectors.  \n\nThe burst light curve shows a single pulse that starts\nat T+1.5 sec, peaks at T+6.2 sec, and ends at T+14.4 sec.\nThe T90 and T50 durations measured by the SGM data are 10.5 +/- 0.6 sec\nand 3.9 +/- 0.3 sec (40-1000 keV), respectively.\n\nThe ground-processed light curve is available at\n\nhttps://cgbm.calet.jp/cgbm_trigger/ground/1435484973\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at Waseda University.",
  "subject": "GRB 250702A: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Yuta Kawakubo at Aoyama Gakuin University <kawakubo@phys.aoyama.ac.jp>",
  "eventId": "GRB 250702A",
  "submittedHow": "web",
  "createdOn": 1751604955355,
  "format": "text/plain"
}