GRB 240910A: Swift observation summary

Mission:	Fermi/GBM
GRB RA:	24.098°
GRB Dec:	-0.205°
GRB Err:	0.48 arcsec
T0:	2024-09-10 04:00:44 UT
Galactic:	146.63° -60.99°
Galactic N_H:	2.46× 10²⁰ cm^-2
Galactic E(B-V):	0.03016278

Sun distance:	144.23°
Sun angle:	9.63 [hr](West of Sun)
Moon distance:	135.07°
Visibility of this field.

Data analysed so far:

ObsID: 00021712001 with 2.0 ks exposure.

Source 2 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.

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Sources found so far

So far 2 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
1 [details]	01h 36m 36.16s24.15065°	-00° 06′ 44.4″-0.11232°	4.7′′	Good	6.4′	2.0 ks	Matches known X-ray source: 4XMM J013636.2-000650 (from XMM-NEWTON/XMMSSC), 5.5″ away.
Mean XRT rate: 4.8 (+2.2, -1.7) ×10^-3 ct s^-1 Peak XRT rate: 4.8 (+2.2, -1.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.3 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.3 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	01h 36m 23.33s24.09721°	-00° 12′ 16.2″-0.20451°	3.7′′	Good	3.3′′	2.0 ks
Mean XRT rate: 1.8 (±0.4) ×10^-2 ct s^-1 Peak XRT rate: 1.8 (±0.4) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 7.1 (±1.6) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 7.1 (±1.6) ×10^-13 erg cm^-1s^-1 Products: 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.