GRB 240916A: Swift observation summary

Mission:	Fermi/GBM
GRB RA:	235.913°
GRB Dec:	-7.765°
GRB Err:	5 arcsec
T0:	2024-09-16 01:22:55 UT
Galactic:	359.28° +35.64°
Galactic N_H:	9.11× 10²⁰ cm^-2
Galactic E(B-V):	0.1549429

Sun distance:	62.74°
Sun angle:	4.14 [hr] (East of Sun)
Moon distance:	89.84°
Visibility of this field.

Data analysed so far:

ObsID: 00021717001 with 1.6 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.

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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]	15h 43m 39.26s235.91357°	-07° 45′ 54.1″-7.76503°	3.2′′	Good	2.0′′	1.6 ks
Mean XRT rate: 6.1 (+0.8, -0.7) ×10^-2 ct s^-1 Peak XRT rate: 7.6 (±1.5) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.60 (+0.21, -0.19) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.0 (±0.4) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	15h 43m 14.86s235.81191°	-07° 42′ 32.5″-7.70902°	5.1′′	Good	6.9′	1.6 ks	Matches SIMBAD source: TYC 5597-94-1, 1.5″ away.
Mean XRT rate: 9.9 (+3.4, -2.8) ×10^-3 ct s^-1 Peak XRT rate: 9.9 (+3.4, -2.8) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.06 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.6 (+1.3, -1.0) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 3.6 (+1.3, -1.0) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| 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.