{
  "bibcode": "2020GCN.27790....1S",
  "body": "T. Sakamoto, A. Yoshida, V. Pal'shin, S. Sugita (AGU),\nY. Kawakubo (LSU), K. Yamaoka (Nagoya U), S. Nakahira (RIKEN),\nY. Asaoka, S. Torii (Waseda U), Y. Shimizu, T. Tamura (Kanagawa U),\nN. Cannady (GSFC/UMBC), M. L. Cherry (LSU),\nS. Ricciarini (U of Florence), P. S. Marrocchesi (U of Siena),\nand the CALET collaboration:\n\n\nUsing the CALET Gamma-Ray Burst Monitor (CGBM) event data and\npublicly available INTEGRAl-SPI-ACS light curve data we have triangulated\nthe bright short hard GRB 200521A (AGILE/MCAL and ratemeters detection:\nVerrecchia et al., GCN Circ. 27776; CGBM detection: Yoshida et al.,\nGCN Circ. 27777) to a preliminary CGBM-SPI-ACS annulus centered at\nRA(J2000)=86.570 deg (05h 46m 17s) Dec(J2000)= -34.390 deg (-34d 23' 24\"),\nwhose radius is 88.32(-1.63,+1.63) deg (3 sigma).\n\nThe CGBM response also suggests the burst source was in the FOV of the\nCGBM HXM detectors, i.e. within 60 deg from RA, Dec(J2000) = 112.49 deg,\n+5.67 deg (=the center of the FOV).\n\nThe CALET data used in this analysis are provided by\nthe Waseda CALET Operation Center located at the Waseda University.\n\nThe INTEGRAL-SPI-ACS data used in this analysis were obtained from\nthe INTEGRAL data archive through \nhttp://isdc.unige.ch/~savchenk/spiacs-online/\nmaintained by Volodymyr Savchenko.",
  "circularId": 27790,
  "createdOn": 1590240453000,
  "email": "val@phys.aoyama.ac.jp",
  "subject": "CGBM-SPI-ACS triangulation of short GRB 200521A",
  "submitter": "Valentin Pal'shin at AGU  <val@phys.aoyama.ac.jp>",
  "eventId": "GRB 200521A"
}