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SVOM_FIELD00027
SVOM
27
/SVOM
GRB 250808A: Swift observation summary
| Mission: | SVOM/ECLAIRs |
|---|---|
| SVOM RA: | 63.553° |
| SVOM Dec: | -22.904° |
| SVOM Err: | 10.5 arcmin |
| T0: | 2025-08-08 18:23:46 UT |
| Galactic: | 219.36° -44.17° |
| Galactic NH: | 2.45× 1020 cm-2 |
| Sun distance: | 83.01° |
|---|---|
| Sun angle: | 5.01 [hr](West of Sun) |
| Moon distance: | 99.73° |
| Visibility of this field. | |
| First slew: | 2025-08-08 19:25:44 UT |
| First observation: | 2025-08-08 19:25:13 UT |
| First analysis: | 2025-08-09 00:06:35 UT |
- Data analysed so far:
- ObsID: 00019989001 with 1.7 ks exposure.
So far 1 fields have been scheduled for observations. Data are available and processed for 1 of these.
- 19989 — 1.7 ks of cleaned data taken between 2025-08-08 19:25:42 and 2025-08-08 19:56:31
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] |
04h 14m 12.25s | -22° 49′ 25.3″ | 3.2′′ * | Good | 2 (O) | 4.8′ | 1.7 ks | The source is 3.4-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] |
04h 14m 12.25s | -22° 49′ 25.3″ | 3.2′′ * | Good | 2 (O) | 4.8′ | 1.7 ks | The source is 3.4-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.
