GRB 220627A: Swift observation summary

Mission:	Fermi/LAT
GRB RA:	201.200°
GRB Dec:	-32.500°
GRB Err:	12.0 arcmin
T0:	2022-06-27 21:21:00 UT
Galactic:	311.04° +29.85°
Galactic N_H:	4.21× 10²⁰ cm^-2
Galactic E(B-V):	0.05140634

Sun distance:	113.93°
Sun angle:	6.96 [hr] (East of Sun)
Moon distance:	127.18°
Visibility of this field.

Data analysed so far:

ObsID: 00021506001 with 4.9 ks exposure.

Source 3 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.

Probable afterglow details

A source was found which matches the afterglow criteria.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from LAT pos	Exposure	Notes	Vizier
3 [details]	13h 25m 28.50s201.36877°	-32° 25′ 34.5″-32.42624°	3.1′′	Good	9.6′	6.4 ks	The source is fading with 3.8-σ significance.
Mean XRT rate: 1.03 (+0.22, -0.20) ×10^-2 ct s^-1 Peak XRT rate: 2.2 (±0.5) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.8 (+0.8, -0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 8.1 (±1.8) ×10^-13 erg cm^-1s^-1 Products: Light curve \| 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 2SXPS 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.

Find an upper limit.

Sources found so far

So far 15 sources have been found in the XRT data. 3 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from LAT pos	Exposure	Notes
1 [details]	13h 25m 07.11s201.27962°	-32° 38′ 12.1″-32.63670°	2.3′′	Good	9.1′	7.4 ks	Matches known X-ray source: 2SXPS J132507.2-323813 (from 2SXPS), 3.8″ away. Matches SIMBAD source: 2MASX J13250705-3238129, 1.8″ away.
Mean XRT rate: 6.7 (±0.4) ×10^-2 ct s^-1 Peak XRT rate: 0.116 (±0.026) ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.87 (±0.11) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 3.2 (±0.7) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	13h 24m 11.85s201.04936°	-32° 35′ 37.2″-32.59368°	2.7′′	Good	9.5′	4.9 ks	Matches SIMBAD source: PKS 1321-323, 0.8″ away.
Mean XRT rate: 1.27 (±0.20) ×10^-2 ct s^-1 Peak XRT rate: 1.8 (±0.4) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.5 (±0.6) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 5.1 (±1.1) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
3 [details]	13h 25m 28.50s201.36877°	-32° 25′ 34.5″-32.42624°	3.1′′	Good	9.6′	6.4 ks	The source is fading with 3.8-σ significance.
Mean XRT rate: 1.03 (+0.22, -0.20) ×10^-2 ct s^-1 Peak XRT rate: 2.2 (±0.5) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.8 (+0.8, -0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 8.1 (±1.8) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
4 [details]	13h 25m 23.13s201.34637°	-32° 22′ 55.4″-32.38204°	7.3′′	Poor	10.2′	6.4 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?]
5 [details]	13h 24m 49.32s201.20552°	-32° 41′ 14.0″-32.68722°	7.0′′	Poor	11.2′	1.5 ks
Mean XRT rate: 2.5 (+2.4, -1.4) ×10^-3 ct s^-1 Peak XRT rate: 2.5 (+2.4, -1.4) ×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]	13h 24m 58.75s201.24479°	-32° 24′ 49.8″-32.41383°	5.5′′	Poor	5.6′	9.6 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?]
7 [details]	13h 24m 17.37s201.07239°	-32° 38′ 27.9″-32.64108°	18.0′′	Poor	10.6′	4.9 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]	13h 24m 59.45s201.24772°	-32° 34′ 19.4″-32.57205°	6.9′′	Poor	5.0′	9.6 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?]
9 [details]	13h 24m 24.74s201.10307°	-32° 21′ 20.4″-32.35568°	5.6′′	Poor	10.0′	7.2 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]	13h 24m 57.96s201.24148°	-32° 40′ 26.6″-32.67404°	8.3′′	Poor	10.7′	3.2 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?]
11 [details]	13h 25m 07.90s201.28291°	-32° 39′ 18.5″-32.65513°	7.6′′	Poor	10.2′	0 s
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?]
12 [details]	13h 25m 27.53s201.36472°	-32° 32′ 52.7″-32.54797°	7.8′′	Poor	8.8′	6.4 ks
Mean XRT rate: 2.0 (+0.9, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 2.0 (+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: Light curve \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
13 [details]	13h 25m 17.26s201.32194°	-32° 37′ 30.6″-32.62517°	7.8′′	Poor	9.7′	5.8 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: 0.05 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
14 [details]	13h 24m 18.14s201.07559°	-32° 22′ 31.0″-32.37529°	6.0′′	Poor	9.8′	5.5 ks
Mean XRT rate: 1.6 (+1.0, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 1.6 (+1.0, -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?]
15 [details]	13h 24m 01.81s201.00753°	-32° 20′ 41.1″-32.34475°	6.3′′	Poor	13.5′	4.9 ks	Matches SIMBAD source: NGC 5114, 3.2″ away.
Mean XRT rate: 2.33 (+1.15, -0.87) ×10^-3 ct s^-1 Peak XRT rate: 2.33 (+1.15, -0.87) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 4.6 (+2.3, -1.7) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 4.6 (+2.3, -1.7) ×10^-14 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.

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FITS exposure map.