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EP_FIELD00036
EP
36
/EP
EP250427a / GRB 250427A: Swift observation summary
This is a confirmed GRB (GRB 250427A), the afterglow is source 1 -- please see the GRB results at https://www.swift.ac.uk/xrt_products/00019750 for updated analysis
.| Mission: | Einstein Probe/WXT |
|---|---|
| Einstein Probe RA: | 277.281° |
| Einstein Probe Dec: | +7.570° |
| Einstein Probe Err: | 2.0 arcmin |
| T0: | 2025-04-27 03:38:24 UT |
| Galactic: | 37.18° +8.39° |
| Galactic NH: | 1.76× 1021 cm-2 |
| Sun distance: | 114.10° |
|---|---|
| Sun angle: | 7.81 [hr] (West of Sun) |
| Moon distance: | 104.75° |
| Visibility of this field. | |
- Data analysed so far:
- ObsID: 00019750001 with 1.7 ks exposure.
So far 1 fields have been scheduled for observations. Data are available and processed for 1 of these.
- 19750 — 1.7 ks of cleaned data taken between 2025-04-27 09:58:48 and 2025-04-27 11:40:23
Sources found so far
So far 1 sources have been found in the XRT data. 0 sources match catalogued sources.
| # | RA (J2000) | Dec (J2000) | Err901 | Detection Flag2 |
Rank3 | Dist from Einstein Probe/WXT pos |
Exposure | Notes | Vizier |
|---|---|---|---|---|---|---|---|---|---|
| 1 [details] |
18h 29m 05.47s | +07° 33′ 47.6″ | 3.9′′ | Good | 3 (U) | 0.6′ | 1.7 ks |  |
1 Radius, 90% confidence.
2 Indicates how likely the source is to be real. See the LSXPS documentation.
3 T=Transient Source, O=Outbursting known source, U=Uncatalogued X-ray source, K=Known X-ray source.
* The position was enhanced using astrometry derived from the Swift UVOT.
† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.
Image
Select image style: Draggable PNG | JS9.
