{
  "bibcode": "2019GCN.24339....1C",
  "body": "N. Cannady (LSU),\nA. Yoshida, T. Sakamoto, V. Pal'shin, S. Sugita (AGU),\nY. Kawakubo (LSU), K. Yamaoka (Nagoya U), S. Nakahira (RIKEN),\nY. Asaoka, S. Ozawa, S. Torii (Waseda U),\nT. Tamura, Y. Shimizu (Kanagawa U), M. L. Cherry (LSU),\nS. Ricciarini (U of Florence), P. S. Marrocchesi (U of Siena)\nand the CALET collaboration:\n\nThe short GRB 190427A (Swift-BAT trigger #900730:\nTohuvavohu et al., GCN Circ. 24261, Ukwatta et al., GCN Circ. 24330;\nFermi GBM detection: Malacaria, von Kienlin and Meegan, GCN Circ. 24293)\nwas detected in ground analysis of the CALET Gamma-ray Burst Monitor (CGBM)\ndata near the Swift-BAT trigger time at T0=04:34:14.95 UT on 27 April 2019.\nThe burst signal was seen only by the SGM detector.\nThe source location (Ukwatta et al., GCN Circ. 24330) was out\nof the HXM detectors' FOVs and likely blocked by the ISS structures.\n\nThe burst light curve shows a single bin (125 ms) spike\nwith a signal-to-noise ratio of 9.0 in the 40-1000 keV range.\n\nThe ground processed light curve is available at\n\nhttp://cgbm.calet.jp/cgbm_trigger/ground/1240374828/\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at the Waseda University.",
  "circularId": 24339,
  "createdOn": 1556524066000,
  "email": "val@phys.aoyama.ac.jp",
  "subject": "GRB 190427A: CALET Gamma-Ray Burst Monitor detection",
  "submitter": "Valentin Pal'shin at AGU  <val@phys.aoyama.ac.jp>",
  "eventId": "GRB 190427A"
}