[vsnet-grb-info 26462] GRB 201006A: Enhanced Swift-XRT position

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Tue Oct 6 18:20:20 JST 2020


TITLE:   GCN CIRCULAR
NUMBER:  28562
SUBJECT: GRB 201006A: Enhanced Swift-XRT position
DATE:    20/10/06 09:19:20 GMT
FROM:    Phil Evans at U of Leicester  <pae9 at leicester.ac.uk>

M.R. Goad, J.P. Osborne, A.P. Beardmore and P.A. Evans (U. Leicester) 
report on behalf of the Swift-XRT team.

Using 1436 s of XRT Photon Counting mode data and 2 UVOT
images for GRB 201006A, we find an astrometrically corrected X-ray
position (using the XRT-UVOT alignment and matching UVOT field sources
to the USNO-B1 catalogue): RA, Dec = 61.89270, +65.16462 which is equivalent
to:

RA (J2000): 04h 07m 34.25s
Dec (J2000): +65d 09' 52.6"

with an uncertainty of 2.1 arcsec (radius, 90% confidence).

This position may be improved as more data are received. The latest
position can be viewed at http://www.swift.ac.uk/xrt_positions. Position
enhancement is described by Goad et al. (2007, A&A, 476, 1401) and Evans
et al. (2009, MNRAS, 397, 1177).

This circular was automatically generated, and is an official product of the
Swift-XRT team.



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