GRB 220909A: Swift observation summary

Mission:	Swift/BAT-GUANO
GRB RA:	216.045°
GRB Dec:	-8.855°
GRB Err:	3.0 arcmin
T0:	2022-09-09 06:52:13 UT
Galactic:	338.15° +47.58°
Galactic N_H:	4.41× 10²⁰ cm^-2
Galactic E(B-V):	0.05390767

Sun distance:	50.58°
Sun angle:	3.25 [hr] (East of Sun)
Moon distance:	114.63°
Visibility of this field.

Data analysed so far:

ObsID: 00021513001 with 5.5 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 8 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Swift/BAT-GUANO pos	Exposure	Notes
1 [details]	14h 24m 16.44s216.06852°	-08° 59′ 47.7″-8.99657°	6.7′′	Poor	8.6′	4.1 ks
Mean XRT rate: 2.34 (+1.24, -0.91) ×10^-3 ct s^-1 Peak XRT rate: 2.34 (+1.24, -0.91) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	14h 24m 54.77s216.22821°	-08° 38′ 48.8″-8.64689°	7.4′′	Good	16.6′	1.3 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: 0.06 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
3 [details]	14h 24m 02.64s216.01102°	-08° 45′ 35.6″-8.75989°	5.8′′	Good	6.1′	5.5 ks	Matches SIMBAD source: BD-08 3768, 1.4″ away.
Mean XRT rate: 2.5 (+1.0, -0.8) ×10^-3 ct s^-1 Peak XRT rate: 2.5 (+1.0, -0.8) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.2 (+0.5, -0.4) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.2 (+0.5, -0.4) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
4 [details]	14h 23m 59.14s215.99642°	-08° 45′ 01.1″-8.75030°	9.4′′	Reasonable	6.9′	5.5 ks
Mean XRT rate: 1.5 (+0.8, -0.6) ×10^-3 ct s^-1 Peak XRT rate: 1.5 (+0.8, -0.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.06 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.1 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.1 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
5 [details]	14h 24m 09.76s216.04065°	-08° 50′ 37.9″-8.84386°	7.3′′	Poor	0.7′	5.5 ks
Mean XRT rate: 1.1 (+0.7, -0.5) ×10^-3 ct s^-1 Peak XRT rate: 1.1 (+0.7, -0.5) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
6 [details]	14h 24m 01.29s216.00538°	-08° 38′ 24.5″-8.64014°	6.3′′	Reasonable	13.1′	5.5 ks
Mean XRT rate: 2.22 (+1.05, -0.80) ×10^-3 ct s^-1 Peak XRT rate: 2.22 (+1.05, -0.80) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 6.1 (+2.9, -2.2) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 6.1 (+2.9, -2.2) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
7 [details]	14h 24m 06.74s216.02807°	-08° 40′ 57.9″-8.68276°	3.0′′	Good	10.4′	5.5 ks
Mean XRT rate: 8.0 (+1.6, -1.5) ×10^-3 ct s^-1 Peak XRT rate: 1.09 (±0.25) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.3 (+0.5, -0.4) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 3.2 (±0.7) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
8 [details]	14h 24m 22.52s216.09382°	-08° 44′ 25.0″-8.74029°	6.9′′	Poor	7.5′	5.5 ks
Mean XRT rate: 1.4 (+0.8, -0.6) ×10^-3 ct s^-1 Peak XRT rate: 1.4 (+0.8, -0.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: 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.

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Exposure map

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FITS exposure map.