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SVOM_FIELD00047
SVOM
47
/SVOM
GRB 251103A: Swift observation summary
This is a confirmed GRB (GRB 251103A), the afterglow is source 1 -- please see the GRB results at https://www.swift.ac.uk/xrt_products/03000169 for updated analysis
.| Mission: | SVOM/ECLAIRs |
|---|---|
| SVOM RA: | 146.838° |
| SVOM Dec: | +16.130° |
| SVOM Err: | 2.1 arcmin |
| T0: | 2025-11-03 04:46:26 UT |
| Galactic: | 217.64° +46.08° |
| Galactic NH: | 3.57× 1020 cm-2 |
| Sun distance: | 77.06° |
|---|---|
| Sun angle: | 4.76 [hr](West of Sun) |
| Moon distance: | 135.82° |
| Visibility of this field. | |
- Data analysed so far:
- ObsID: 03000169001 with 1.6 ks exposure.
So far 1 fields have been scheduled for observations. Data are available and processed for 1 of these.
- 3000169 — 1.6 ks of cleaned data taken between 2025-11-03 06:04:31 and 2025-11-03 07:35:39
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] |
09h 47m 21.28s | +16° 07′ 21.8″ | 2.6′′ * | Good | 1 (T) | 0.4′ | 1.6 ks | The source is 4.7-σ above the LSPXS 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 3 sources have been found in the XRT data. 2 sources match catalogued sources.
| # | RA (J2000) | Dec (J2000) | Err901 | Detection Flag2 |
Rank3 | Dist from SVOM/ECLAIRs pos |
Exposure | Notes | Vizier |
|---|---|---|---|---|---|---|---|---|---|
| 1 [details] |
09h 47m 21.28s | +16° 07′ 21.8″ | 2.6′′ * | Good | 1 (T) | 0.4′ | 1.6 ks | The source is 4.7-σ above the LSPXS limit. | |
| 2 [details] |
09h 47m 49.95s | +16° 03′ 57.9″ | 4.6′′ * | Good | 4 (K) | 7.9′ | 1.6 ks | Matches SIMBAD source: 2MASS J09475010+1604003, 2.3″ away. Matches known X-ray source: XMMSL3 J094749.7+160359 (from XMM-NEWTON/XMMSLEWCLN), 5.0491183434568″ away. |
|
| 3 [details] |
09h 46m 47.65s | +16° 04′ 56.1″ | 6.6′′ | Good | 4 (K) | 8.5′ | 1.6 ks | Matches known X-ray source: LSXPS J094648.1+160457 (from LSXPS), 8″ away. | |
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.
