GRB 231017A: Swift observation summary

Mission:	Swift/BAT-GUANO
GRB RA:	86.191°
GRB Dec:	+56.666°
GRB Err:	5.0 arcmin
T0:	2023-10-17 08:05:03 UT
Galactic:	155.78° +13.93°
Galactic N_H:	1.46× 10²¹ cm^-2
Galactic E(B-V):	0.2253576

Sun distance:	111.40°
Sun angle:	7.68 [hr](West of Sun)
Moon distance:	135.79°
Visibility of this field.

Data analysed so far:

ObsID: 00021623001 with 0.0 ks exposure.
ObsID: 00021623002 with 4.9 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 9 sources have been found in the XRT data. 0 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Swift/BAT-GUANO pos	Exposure
1 [details]	05h 43m 15.59s85.81494°	+56° 33′ 57.4″56.56593°	8.3′′	Good	13.8′	1.4 ks
Mean XRT rate: 8 (+4, -3) ×10^-3 ct s^-1 Peak XRT rate: 8 (+4, -3) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) 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=13.93°
2 [details]	05h 44m 39.99s86.16662°	+56° 44′ 55.3″56.74869°	8.4′′	Good	5.0′	4.9 ks
Mean XRT rate: 1.8 (+1.0, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 1.8 (+1.0, -0.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.8 (+1.5, -1.1) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 2.8 (+1.5, -1.1) ×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=13.93°
3 [details]	05h 45m 09.41s86.28922°	+56° 30′ 04.3″56.50119°	5.5′′	Good	10.4′	4.9 ks
Mean XRT rate: 6.3 (±1.6) ×10^-3 ct s^-1 Peak XRT rate: 6.3 (±1.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.8 (±0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.8 (±0.7) ×10^-13 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=13.93°
4 [details]	05h 45m 09.24s86.28848°	+56° 32′ 09.6″56.53601°	8.4′′	Poor	8.4′	0 s
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Products: Spectrum
5 [details]	05h 45m 26.25s86.35938°	+56° 42′ 52.6″56.71460°	7.1′′	Good	6.3′	4.9 ks
Mean XRT rate: 2.69 (+1.10, -0.88) ×10^-3 ct s^-1 Peak XRT rate: 2.69 (+1.10, -0.88) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.12 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.8 (+1.5, -1.2) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 3.8 (+1.5, -1.2) ×10^-13 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=13.93°
6 [details]	05h 45m 07.64s86.28182°	+56° 34′ 30.9″56.57525°	8.0′′	Reasonable	6.2′	4.9 ks
Mean XRT rate: 1.6 (+0.9, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 1.6 (+0.9, -0.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.7 (+1.5, -1.1) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 2.7 (+1.5, -1.1) ×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=13.93°
7 [details]	05h 45m 12.92s86.30383°	+56° 36′ 13.8″56.60382°	5.5′′	Good	5.3′	4.9 ks
Mean XRT rate: 1.6 (+0.8, -0.6) ×10^-3 ct s^-1 Peak XRT rate: 1.6 (+0.8, -0.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.8 (+1.4, -1.1) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.8 (+1.4, -1.1) ×10^-12 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=13.93°
8 [details]	05h 43m 58.17s85.99237°	+56° 30′ 47.2″56.51312°	5.9′′	Poor	11.3′	4.6 ks
Mean XRT rate: 5.8 (+1.8, -1.5) ×10^-3 ct s^-1 Peak XRT rate: 5.8 (+1.8, -1.5) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) 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=13.93°
9 [details]	05h 43m 27.44s85.86435°	+56° 39′ 19.5″56.65542°	4.5′′	Reasonable	10.8′	3.0 ks
Mean XRT rate: 5.6 (+2.4, -1.9) ×10^-3 ct s^-1 Peak XRT rate: 5.6 (+2.4, -1.9) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 10 (+4, -3) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 10 (+4, -3) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=13.93°

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.

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Exposure map

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FITS exposure map.