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GRB 251116C: Swift observation summary

This is a confirmed GRB (GRB 251116C), the afterglow is source 1 -- please see the GRB results at https://www.swift.ac.uk/xrt_products/03000202 for updated analysis

.
Mission:SVOM/ECLAIRs
SVOM RA:335.265°
SVOM Dec:-10.411°
SVOM Err:7.8 arcmin
T0:2025-11-16 15:57:15 UT
Galactic:50.90° -50.89°
Galactic NH:4.15× 1020 cm-2
Sun distance:99.10°
Sun angle:6.89 [hr] (East of Sun)
Moon distance:138.39°
Visibility of this field.
First slew:2025-11-16 18:53:39 UT
First observation:2025-11-16 18:53:08 UT
First analysis:2025-11-16 20:23:14 UT
Data analysed so far:
  • ObsID: 03000202001 with 1.7 ks exposure.

About tiled field analysis.

So far 1 fields have been scheduled for observations. Data are available and processed for 1 of these.

Find an upper limit.

Sources found so far

So far 2 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]		 22h 21m 22.58s -10° 20′ 45.2″ 6.9′′ Good 3 (U) 6.1′ 6.1 ks Vizier logo
2
[details]		 22h 20m 52.13s -10° 28′ 49.1″ 5.8′′ Poor 3 (U) 5.0′ 6.1 ks Vizier logo

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.

FITS image.

Image of all observations processed so far

Exposure map

FITS exposure map.

Exposure map of all observations processed so far