{
  "bibcode": "2019GCN.23631....1T",
  "body": "A. Tezuka, A. Yoshida, T. Sakamoto, V. Pal'shin, S. Sugita (AGU),\nY. Kawakubo (LSU), S. Matsukawa, H. Onozawa, T. Ito, H. Morita, Y. Sone \n(AGU),\nK. Yamaoka (Nagoya U), S. Nakahira (RIKEN), I. Takahashi (IPMU),\nY. Asaoka, S. Ozawa, S. Torii (Waseda U),\nY. Shimizu, T. Tamura (Kanagawa U),\nW. Ishizaki (ICRR), M. L. Cherry (LSU),\nS. Ricciarini (U of Florence),\nA. V. Penacchioni, P. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\nThe long GRB 190103B (Swift-BAT trigger #881709: Lien et al.,\nGCN Circ. 23602, Markwardt et al., GCN Circ. 23606;\nKonus-Wind observation: Tsvetkova et al., GCN Circ. 23612)\ntriggered the CALET Gamma-ray Burst Monitor (CGBM)\nat 21:03:46.478 UTC on 3 January 2019.\nThe burst signal was seen by all CGBM detectors.\n\nThe burst light curve shows two multi-peaked pulses which\nstart at T-6.9 sec, peak at T+5.4 sec, and end at T+22.3 sec.\nThe T90 and the T50 durations measured by the SGM data are\n19.6 +- 2.5 sec and 9.1 +- 1.0 sec (40-1000 keV), respectively.\n\nThe ground processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1230584543/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at the Waseda University.",
  "circularId": 23631,
  "createdOn": 1546861249000,
  "email": "val@phys.aoyama.ac.jp",
  "subject": "GRB 190103B: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Valentin Pal'shin at AGU  <val@phys.aoyama.ac.jp>",
  "eventId": "GRB 190103B"
}