GRB 200524A: Swift observation summary

Mission:	Fermi/LAT
GRB RA:	212.750°
GRB Dec:	+60.960°
GRB Err:	12.0 arcmin
T0:	2020-05-24 05:03:34 UT
Galactic:	106.77° +53.60°
Galactic N_H:	1.63× 10²⁰ cm^-2
Galactic E(B-V):	0.01528933

Sun distance:	94.97°
Sun angle:	10.08 [hr] (East of Sun)
Moon distance:	88.56°
Visibility of this field.

Data analysed so far:

ObsID: 00021001001 with 5.0 ks exposure.

Source 6 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.

Find an upper limit.

Sources found so far

So far 8 sources have been found in the XRT data. 4 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from LAT pos	Exposure	Notes
1 [details]	14h 10m 46.05s212.69189°	+60° 55′ 59.7″60.93324°	4.7′′	Good	2.3′	5.0 ks	Matches known X-ray source: 2SXPS J141045.6+605559 (from 2SXPS), 2.6″ away. Matches SIMBAD source: SDSS J141045.66+605600.6, 3″ away.
Mean XRT rate: 4.5 (±1.2) ×10^-3 ct s^-1 Peak XRT rate: 4.5 (±1.2) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.3 (±0.3) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.3 (±0.3) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.6 [What is this?]
2 [details]	14h 11m 51.02s212.96259°	+60° 55′ 57.8″60.93271°	2.7′′	Good	6.4′	5.0 ks	Matches known X-ray source: 2SXPS J141151.4+605556 (from 2SXPS), 1.5″ away.
Mean XRT rate: 7.6 (+1.6, -1.5) ×10^-3 ct s^-1 Peak XRT rate: 8.0 (±1.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.5 (±0.5) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.6 (±0.6) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.3 [What is this?]
3 [details]	14h 10m 30.93s212.62886°	+61° 00′ 12.9″61.00358°	1.6′′	Good	4.4′	5.0 ks	Matches known X-ray source: 2SXPS J141030.7+610012 (from 2SXPS), 2.7″ away. Matches SIMBAD source: 2MASS J14103085+6100125, 2.5″ away.
Mean XRT rate: 6.0 (±0.4) ×10^-2 ct s^-1 Peak XRT rate: 7.4 (±1.9) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.22 (±0.15) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.8 (±0.7) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~1.12×10^-2 [What is this?]
4 [details]	14h 10m 21.09s212.58789°	+61° 06′ 31.7″61.10880°	5.2′′	Good	10.1′	5.0 ks
Mean XRT rate: 2.50 (+1.06, -0.84) ×10^-3 ct s^-1 Peak XRT rate: 2.50 (+1.06, -0.84) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.13 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.2 (+2.2, -1.8) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 5.2 (+2.2, -1.8) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~1.4 [What is this?]
5 [details]	14h 10m 23.42s212.59760°	+61° 03′ 45.7″61.06270°	5.0′′	Poor	7.6′	5.0 ks	Matches known X-ray source: 2SXPS J141022.3+610349 (from 2SXPS), 8.4″ away.
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: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
6 [details]	14h 12m 10.74s213.04475°	+60° 54′ 19.4″60.90539°	4.4′′	Good	9.2′	5.0 ks
Mean XRT rate: 7.3 (+1.6, -1.5) ×10^-3 ct s^-1 Peak XRT rate: 8.8 (±2.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.01 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.1 (+0.5, -0.4) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.6 (±0.6) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.3 [What is this?]
7 [details]	14h 11m 00.39s212.75161°	+60° 52′ 39.5″60.87764°	5.4′′	Good	4.9′	5.0 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: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 4.7 (+2.5, -1.9) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 4.7 (+2.5, -1.9) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~2.3 [What is this?]
8 [details]	14h 11m 05.86s212.77440°	+60° 54′ 58.0″60.91610°	4.6′′	Poor	2.7′	5.0 ks
Mean XRT rate: 1.2 (+0.7, -0.6) ×10^-3 ct s^-1 Peak XRT rate: 1.2 (+0.7, -0.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8 (+5, -4) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8 (+5, -4) ×10^-14 erg cm^-1s^-1 Products: Light curve \| 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.