GRB 241223A: Swift observation summary

Mission:	Fermi/GBM
GRB RA:	160.754°
GRB Dec:	-37.547°
GRB Err:	5 arcsec
T0:	2024-12-23 12:08:46 UT
Galactic:	276.53° +18.65°
Galactic N_H:	3.87× 10²⁰ cm^-2
Galactic E(B-V):	0.05834315

Sun distance:	91.21°
Sun angle:	7.42 [hr](West of Sun)
Moon distance:	41.58°
Visibility of this field.

Data analysed so far:

ObsID: 00021749001 with 0.2 ks exposure.
ObsID: 00021749002 with 2.0 ks exposure.

About ToO analysis.

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Sources found so far

So far 1 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Fermi/GBM pos	Exposure	Notes	Vizier
1 [details]	10h 42m 17.16s160.57150°	-37° 29′ 44.1″-37.49559°	5.9′′	Good	9.2′	2.2 ks	Matches SIMBAD source: UCAC4 263-057890, 2.4″ away.
Mean XRT rate: 4.7 (+2.4, -1.8) ×10^-3 ct s^-1 Peak XRT rate: 4.7 (+2.4, -1.8) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 7.3 (+3.7, -2.8) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 7.3 (+3.7, -2.8) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=18.65°

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.