GRB 230116C: Swift observation summary

Mission:	Swift-BAT
GRB RA:	223.463°
GRB Dec:	-16.871°
GRB Err:	3.0 arcmin
T0:	2023-01-16 15:33:21 UT
Galactic:	340.48° +36.92°
Galactic N_H:	7.95× 10²⁰ cm^-2
Galactic E(B-V):	0.1039163

Sun distance:	69.91°
Sun angle:	4.96 [hr](West of Sun)
Moon distance:	1.22°
Visibility of this field.

Data analysed so far:

ObsID: 01149250002 with 4.9 ks exposure.
ObsID: 01149250003 with 4.5 ks exposure.

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Sources found so far

So far 17 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Swift-BAT pos	Exposure	Notes
1 [details]	14h 53m 53.56s223.47316°	-16° 54′ 59.4″-16.91649°	2.7′′	Good	2.8′	9.4 ks
Mean XRT rate: 1.02 (±0.13) ×10^-2 ct s^-1 Peak XRT rate: 1.28 (±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: 3.4 (±0.4) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 4.3 (±0.8) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	14h 53m 53.49s223.47287°	-16° 53′ 11.2″-16.88644°	6.4′′	Poor	1.1′	9.4 ks
Mean XRT rate: 2.80 (+1.09, -0.88) ×10^-3 ct s^-1 Peak XRT rate: 2.80 (+1.09, -0.88) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
3 [details]	14h 53m 48.38s223.45160°	-16° 54′ 56.8″-16.91577°	6.8′′	Reasonable	2.8′	9.4 ks
Mean XRT rate: 3.2 (+0.8, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 3.5 (+1.3, -1.0) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.06 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.5 (+0.4, -0.3) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.6 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
4 [details]	14h 54m 08.67s223.53613°	-17° 01′ 43.1″-17.02864°	8.5′′	Good	10.3′	9.4 ks	Matches SIMBAD source: UCAC4 365-067850, 1.9″ away.
Mean XRT rate: 2.6 (+0.9, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 3.2 (+1.4, -1.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.0 (+1.7, -1.3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 6.1 (+2.6, -2.1) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
5 [details]	14h 53m 06.52s223.27718°	-16° 52′ 45.6″-16.87935°	5.3′′	Good	10.7′	8.9 ks
Mean XRT rate: 3.6 (+1.6, -1.2) ×10^-3 ct s^-1 Peak XRT rate: 3.6 (+1.6, -1.2) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8.1 (+3.6, -2.8) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8.1 (+3.6, -2.8) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
6 [details]	14h 53m 46.22s223.44258°	-16° 59′ 11.7″-16.98659°	7.8′′	Poor	7.0′	9.4 ks
Mean XRT rate: 1.82 (+1.01, -0.77) ×10^-3 ct s^-1 Peak XRT rate: 1.82 (+1.01, -0.77) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
7 [details]	14h 54m 33.32s223.63885°	-16° 59′ 15.3″-16.98759°	7.7′′	Poor	12.3′	2.9 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
8 [details]	14h 53m 50.44s223.46019°	-16° 50′ 31.2″-16.84199°	6.3′′	Reasonable	1.7′	9.4 ks
Mean XRT rate: 1.8 (+0.9, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 1.8 (+0.9, -0.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
9 [details]	14h 53m 38.16s223.40901°	-16° 54′ 56.0″-16.91556°	8.1′′	Poor	4.1′	9.4 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
10 [details]	14h 54m 14.81s223.56171°	-16° 49′ 55.7″-16.83215°	5.9′′	Reasonable	6.1′	9.4 ks
Mean XRT rate: 1.8 (+0.7, -0.5) ×10^-3 ct s^-1 Peak XRT rate: 1.99 (+1.05, -0.80) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
11 [details]	14h 53m 36.70s223.40294°	-17° 02′ 00.1″-17.03336°	6.4′′	Reasonable	10.3′	6.9 ks
Mean XRT rate: 3.4 (+2.1, -1.5) ×10^-3 ct s^-1 Peak XRT rate: 3.4 (+2.1, -1.5) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 6.4 (+3.9, -2.8) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 6.4 (+3.9, -2.8) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
12 [details]	14h 54m 11.45s223.54772°	-16° 45′ 25.8″-16.75717°	6.4′′	Poor	8.4′	9.4 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
13 [details]	14h 53m 40.15s223.41731°	-16° 43′ 49.6″-16.73045°	6.3′′	Reasonable	8.8′	9.4 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
14 [details]	14h 54m 13.59s223.55662°	-16° 51′ 18.7″-16.85521°	6.8′′	Reasonable	5.5′	9.4 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined 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?]
15 [details]	14h 53m 45.37s223.43906°	-16° 49′ 51.2″-16.83088°	8.7′′	Poor	2.8′	9.4 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
16 [details]	14h 54m 29.57s223.62322°	-16° 58′ 48.0″-16.98001°	5.9′′	Reasonable	11.3′	9.4 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
17 [details]	14h 54m 09.22s223.53841°	-17° 00′ 15.8″-17.00438°	6.7′′	Good	9.1′	9.4 ks
Mean XRT rate: 3.0 (+1.3, -1.0) ×10^-3 ct s^-1 Peak XRT rate: 3.0 (+1.3, -1.0) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 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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FITS exposure map.