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XRT position for GRB 140428A enhanced by UVOT field astrometry
Data were analysed using HEASOFT version 6.32
| RA (J2000): | 12h 57m 28.42s (194.36842) |
|---|---|
| Dec (J2000): | +28° 23′ 05.8′′ (28.38494) |
| 90% Error radius: | 2.1′′ |
| Number of overlaps included in position: | 3 |
| Exposure time in final position: | 1124 s |
| Total number of overlaps considered: | 7 |
| Total overlap time: | 2190 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.