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SVOM_FIELD00028
SVOM
28
/SVOM
GRB 250812A: Swift observation summary
This is a confirmed GRB (GRB 250812A), the afterglow is source 1 -- please see the GRB results at https://www.swift.ac.uk/xrt_products/00019994 for updated analysis
.| Mission: | SVOM/ECLAIRs |
|---|---|
| SVOM RA: | 32.709° |
| SVOM Dec: | -43.061° |
| SVOM Err: | 11.1 arcmin |
| T0: | 2025-08-12 02:45:02 UT |
| Galactic: | 262.80° -67.36° |
| Galactic NH: | 1.45× 1020 cm-2 |
| Sun distance: | 114.02° |
|---|---|
| Sun angle: | 7.27 [hr](West of Sun) |
| Moon distance: | 53.41° |
| Visibility of this field. | |
- Data analysed so far:
- ObsID: 00019994001 with 1.0 ks exposure.
So far 1 fields have been scheduled for observations. Data are available and processed for 1 of these.
- 19994 — 977 s of cleaned data taken between 2025-08-12 04:30:25 and 2025-08-12 06:11:28
Details of afterglow candidates
1 sources were found which matches the afterglow criteria.
| # | RA (J2000) | Dec (J2000) | Err901 | Detection Flag2 |
Rank3 | Dist from SVOM/ECLAIRs pos |
Exposure | Notes | Vizier |
|---|---|---|---|---|---|---|---|---|---|
| 1 [details] |
02h 11m 13.68s | -43° 09′ 49.0″ | 3.0′′ * | Good | 1 (T) | 7.5′ | 977 s | The source is 4.7-σ above the RASS limit. |  |
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.
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 SVOM/ECLAIRs pos |
Exposure | Notes | Vizier |
|---|---|---|---|---|---|---|---|---|---|
| 1 [details] |
02h 11m 13.68s | -43° 09′ 49.0″ | 3.0′′ * | Good | 1 (T) | 7.5′ | 977 s | The source is 4.7-σ above the RASS limit. | |
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.
