{
  "submitter": "P.A. Evans at U. Leicester <pae9@leicester.ac.uk>",
  "bibcode": "2025GCN.42493....1E",
  "createdOn": 1761597765659,
  "subject": "GRB 251025B: Swift-XRT confirmation of fading",
  "eventId": "GRB 251025B",
  "submittedHow": "email",
  "body": "P.A. Evans (U. Leicester) reports on behalf of the Swift-XRT team:\n\nSwift-XRT has reobserved the X-ray afterglow of GRB 251025B (Hussein et al.,\nGCN Circ. 42437, Beardmore et al., GCN Circ. 42245), gathering a further\n2.6 ks of exposure from T0+131 ks to T0+154 ks. \n\nThe X-ray source is detected but has faded significantly, from 0.30 +/- 0.02 ct/sec \nto 0.009 (+0.003, -0.002) ct/sec (0.3-10 keV), further confirming its identity as the\nafterglow of this GRB. The best-fitting power-law decay index is 0.95 (+0.15, -0.12).\n\nThis circular is an official product of the Swift-XRT team.\n\n\n",
  "circularId": 42493
}