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XRT position for GRB 220921A — Source 1
enhanced by UVOT field astrometry


RA (J2000):04h 25m 53.33s (66.47220°)
Dec (J2000):40° 24′ 20.4′′ (-40.40567°)
90% Error radius:3.2′′
Number of overlaps included in position: 2
Exposure time in final position: 887 s

Total number of overlaps considered: 4
Total overlap time: 1617 s
Number of overlaps where no X-ray source was found: 0
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.

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