{
  "bibcode": "2025GCN.40599....1E",
  "circularId": 40599,
  "submitter": "Phil Evans at U of Leicester <pae9@star.le.ac.uk>",
  "submittedHow": "email",
  "eventId": "GRB 250601A",
  "body": "P. A. Evans (U. Leicester) reports on behalf of the Swift team:\n\nSwift has initiated a ToO observation of the Swift/BAT-detected event\nGRB 250601A. Automated analysis of the XRT data will be presented online at\nhttps://www.swift.ac.uk/ToO_GRBs/00021844\nAny uncatalogued X-ray sources detected in this analysis will be\nreported on this website and via GCN COUNTERPART notices. These are\nnot necessarily related to the Swift/BAT event. Any X-ray source\nconsidered to be a probable afterglow candidate will be reported via a \nGCN Circular after manual consideration.\n\nDetails of the XRT automated analysis methods are detailed in Evans et\nal. (2007, A&A, 469, 379; 2009, MNRAS, 397, 1177 and 2014, ApJS, 210, 8).\n\nThis circular is an official product of the Swift-XRT team.\n\n",
  "subject": "GRB 250601A: Swift ToO observations",
  "createdOn": 1748816236726
}