GRB 251014D: Swift observation summary

Mission:	Swift-BAT
GRB RA:	323.918°
GRB Dec:	-41.839°
GRB Err:	3.0 arcmin
T0:	2025-10-14 21:54:40 UT
Galactic:	359.52° -47.70°
Galactic N_H:	1.98× 10²⁰ cm^-2
Galactic E(B-V):	0.02232449

Sun distance:	108.44°
Sun angle:	8.28 [hr] (East of Sun)
Moon distance:	156.75°
Visibility of this field.

Data analysed so far:

ObsID: 01404126000 with 1.5 ks exposure.
ObsID: 01404126001 with 1.4 ks exposure.

Source 1 has been manually confirmed as the GRB afterglow; data for this object are now available through the main GRB results area for this GRB.

About ToO analysis.

Probable afterglow details

A source was found which matches the afterglow criteria.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Swift-BAT pos	Exposure	Notes	Vizier
1 [details]	21h 35m 40.99s323.92080°	-41° 51′ 19.2″-41.85533°	3.5′′	Good	1.0′	2.9 ks	The source is fading with 3.7-σ significance.
Mean XRT rate: 2.5 (±0.5) ×10^-2 ct s^-1 Peak XRT rate: 2.6 (±0.7) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 9.6 (±1.8) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.00 (±0.27) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 2SXPS documentation.
^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

Find an upper limit.

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	Dist from Swift-BAT pos	Exposure	Notes	Vizier
1 [details]	21h 35m 40.99s323.92080°	-41° 51′ 19.2″-41.85533°	3.5′′	Good	1.0′	2.9 ks	The source is fading with 3.7-σ significance.
Mean XRT rate: 2.5 (±0.5) ×10^-2 ct s^-1 Peak XRT rate: 2.6 (±0.7) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 9.6 (±1.8) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.00 (±0.27) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 1SXPS documentation.
^* 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

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FITS image.

Exposure map

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FITS exposure map.