{
  "bibcode": "2023GCN.33361....1N",
  "body": "P K. Navaneeth (IUCAA), R. Gopalakrishnan (IUCAA), G. Waratkar (IITB), \nA. Vibhute (IUCAA), V. Bhalerao (IITB), D. Bhattacharya (Ashoka \nUniversity/IUCAA), A. R. Rao (IUCAA/TIFR), and S. Vadawale (PRL) report \non behalf of the AstroSat CZTI collaboration:\n\nAnalysis of AstroSat CZTI data with the CIFT framework (Sharma et al., \n2021, JApA, 42, 73) showed the detection of a short GRB230217A which was \nalso detected by Fermi-GBM (Fermi GBM team, GCN Circ. 33338), Swift-BAT \n(Moss et al., GCN Circ. 33339), AGILE/MCAL (Casentini et al., GCN Circ. \n33343), Swift-XRT (Capalbi et al., GCN Circ. 33348) and Konus-Wind \n(Svinkin et al., GCN Circ. 33349).\n\nThe source was clearly detected in the 20-200 keV energy range. The \nlight curve peaks at 2023-02-17 21:53:10.9 UTC. The measured peak count \nrate associated with the burst is 6691 (+436, -444) counts/s above the \nbackground in the combined data of all quadrants, with a total of 3487 \n(+142, -172) counts. The local mean background count rate was 454 (+9, \n-10) counts/s. Using cumulative rates, we measure a T90 of 0.77 (+0.19, \n-0.07) s.\n\nIt was also detected in the CsI anticoincidence (Veto) detector in the \n100-500 keV energy range.\n\nCZTI GRB detections are reported regularly on the payload site at \nhttp://astrosat.iucaa.in/czti/?q=grb. CZTI is built by a TIFR-led \nconsortium of institutes across India, including VSSC, URSC, IUCAA, SAC, \nand PRL. The Indian Space Research Organisation funded, managed, and \nfacilitated the project.",
  "circularId": 33361,
  "createdOn": 1676967293000,
  "email": "gauravwaratkar@iitb.ac.in",
  "subject": "GRB 230217A: AstroSat CZTI detection",
  "submitter": "Gaurav Waratkar at IIT,Bombay  <gauravwaratkar@iitb.ac.in>",
  "eventId": "GRB 230217A"
}