TITLE: GCN CIRCULAR NUMBER: 19953 SUBJECT: GRB 160927A: Prompt enhanced Swift-XRT position DATE: 16/09/27 18:33:51 GMT FROM: Phil Evans at U of Leicester P.A. Evans (U. Leicester) reports on behalf of the Swift-XRT team: Using promptly downlinked XRT event data for GRB 160927A, we find an enhanced XRT position of the afterglow: RA, Dec: 256.2427, 17.3316 which is equivalent to: RA (J2000) = 17 04 58.24 Dec (J2000) = +17 19 53.7 with an uncertainty of 2.1 arcseconds (radius, 90% confidence). Analysis of the promptly available data is online at http://www.swift.ac.uk/sper/713782. 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.