GRB 200723A: Swift observation summary

Mission:	Fermi/GBM
GRB RA:	244.646°
GRB Dec:	+60.321°
GRB Err:	3 arcsec
T0:	2020-07-23 16:35:24 UT
Galactic:	91.38° +41.97°
Galactic N_H:	1.76× 10²⁰ cm^-2
Galactic E(B-V):	0.01380944

Sun distance:	86.87°
Sun angle:	8.08 [hr] (East of Sun)
Moon distance:	74.92°
Visibility of this field.

Data analysed so far:

ObsID: 00021019001 with 4.0 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 7 sources have been found in the XRT data. 3 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Fermi/GBM pos	Exposure	Notes
1 [details]	16h 17m 57.36s244.48898°	+60° 24′ 13.6″60.40378°	5.5′′	Good	6.8′	4.0 ks	Matches known X-ray source: 1RXS J161758.8+602424 (from ROSAT/RASSFSC), 15.3″ away.
Mean XRT rate: 3.7 (+1.3, -1.1) ×10^-3 ct s^-1 Peak XRT rate: 3.7 (+1.3, -1.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.3 [What is this?]
2 [details]	16h 19m 09.32s244.78884°	+60° 16′ 45.3″60.27926°	5.4′′	Poor	4.9′	4.0 ks	Matches known X-ray source: 1RXS J161908.9+601657 (from ROSAT/RASSFSC), 12.1″ away.
Mean XRT rate: 2.21 (+1.15, -0.87) ×10^-3 ct s^-1 Peak XRT rate: 2.21 (+1.15, -0.87) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.8 (+3.0, -2.3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 5.8 (+3.0, -2.3) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.3 [What is this?]
3 [details]	16h 17m 16.19s244.31744°	+60° 11′ 41.3″60.19482°	4.8′′	Poor	12.4′	4.0 ks
Mean XRT rate: 1.36 (+1.00, -0.67) ×10^-3 ct s^-1 Peak XRT rate: 1.36 (+1.00, -0.67) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 9.6×10^-3 ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
4 [details]	16h 17m 25.44s244.35599°	+60° 26′ 48.8″60.44688°	5.5′′	Good	11.4′	4.0 ks
Mean XRT rate: 3.3 (+1.4, -1.1) ×10^-3 ct s^-1 Peak XRT rate: 3.3 (+1.4, -1.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 9.1 (+3.8, -3.0) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 9.1 (+3.8, -3.0) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.9 [What is this?]
5 [details]	16h 19m 09.78s244.79074°	+60° 18′ 13.8″60.30383°	5.0′′	Good	4.4′	4.0 ks	Matches SIMBAD source: HD 147571, 5.2″ away.
Mean XRT rate: 1.84 (+1.09, -0.80) ×10^-3 ct s^-1 Peak XRT rate: 1.84 (+1.09, -0.80) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.2 [What is this?]
6 [details]	16h 17m 58.89s244.49538°	+60° 17′ 24.6″60.29017°	5.3′′	Good	4.8′	4.0 ks
Mean XRT rate: 1.84 (+1.00, -0.76) ×10^-3 ct s^-1 Peak XRT rate: 1.84 (+1.00, -0.76) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.3 (+2.9, -2.2) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 5.3 (+2.9, -2.2) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.2 [What is this?]
7 [details]	16h 17m 39.30s244.41374°	+60° 29′ 04.7″60.48465°	6.3′′	Reasonable	12.0′	4.0 ks
Mean XRT rate: 2.58 (+1.28, -0.97) ×10^-3 ct s^-1 Peak XRT rate: 2.58 (+1.28, -0.97) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.01 ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~1.3 [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.