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XRT position for GRB 180727A enhanced by UVOT field astrometry

Data were analysed using HEASOFT version 6.32

RA (J2000):23h 06m 39.86s (346.66609)
Dec (J2000):-63° 03′ 06.7′′ (-63.05186)
90% Error radius:2′′
Number of overlaps included in position: 3
Exposure time in final position: 1118 s

Total number of overlaps considered: 7
Total overlap time: 2433 s
Number of overlaps where no X-ray source was found: 4
Number of low-X-ray-count fits rejected: 0
Number of spurious fits rejected: 0
Number of bad astrometric corrections:0
Number of outliers removed: 0

For details of how these positions are produced, and why some positions are rejected, see the online documentation.

All XRT GRB positions