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GCN Circular 20088

Subject

GRB 161022A: Prompt enhanced Swift-XRT position

Date

2016-10-22T03:20:24Z (8 years ago)

From

Phil Evans at U of Leicester <pae9@leicester.ac.uk>

P.A. Evans (U. Leicester) reports on behalf of the Swift-XRT team:

Using  promptly downlinked XRT event data for GRB 161022A, we find an
enhanced XRT position of the afterglow: RA, Dec: 129.0018, 54.3490
which is equivalent to:
   RA (J2000)  = 08 36 00.44
   Dec (J2000) = +54 20 56.3
with an uncertainty of 2.0 arcseconds (radius, 90% confidence).
Analysis of the promptly available data is online at
http://www.swift.ac.uk/sper/718655.

Position enhancement is is described by Goad et al. (2007, A&A, 476,
1401) and Evans et al. (2009, MNRAS, 397, 1177).

This circular is an official product of the Swift-XRT team.