GRB 200613A: Swift observation summary

Mission:	Fermi/LAT
GRB RA:	153.028°
GRB Dec:	+45.850°
GRB Err:	8.1 arcmin
T0:	2020-06-13 05:29:42 UT
Galactic:	171.44° +53.44°
Galactic N_H:	7.73× 10¹⁹ cm^-2
Galactic E(B-V):	0.008300754

Sun distance:	60.57°
Sun angle:	4.73 [hr] (East of Sun)
Moon distance:	137.59°
Visibility of this field.

Data analysed so far:

ObsID: 00021003001 with 4.9 ks exposure.

Source 2 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
2 [details]	10h 12m 10.08s153.04199°	+45° 45′ 14.7″45.75408°	1.4′′	Good	5.8′	4.9 ks	The source is 8.7-σ above the RASS limit.
Mean XRT rate: 0.362 (±0.012) ct s^-1 Peak XRT rate: 0.66 (±0.15) ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.28 (±0.04) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 2.4 (±0.5) ×10^-11 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~2.81×10^-4 [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 7 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]	10h 12m 13.61s153.05669°	+45° 58′ 41.8″45.97829°	5.6′′	Good	7.8′	4.9 ks	Matches SIMBAD source: SDSS J101212.87+455839.1, 8.1″ away.
Mean XRT rate: 2.63 (+1.05, -0.84) ×10^-3 ct s^-1 Peak XRT rate: 2.63 (+1.05, -0.84) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 7.5 (+3.0, -2.4) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 7.5 (+3.0, -2.4) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.6 [What is this?]
2 [details]	10h 12m 10.08s153.04199°	+45° 45′ 14.7″45.75408°	1.4′′	Good	5.8′	4.9 ks	The source is 8.7-σ above the RASS limit.
Mean XRT rate: 0.362 (±0.012) ct s^-1 Peak XRT rate: 0.66 (±0.15) ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.28 (±0.04) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 2.4 (±0.5) ×10^-11 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~2.81×10^-4 [What is this?]
3 [details]	10h 11m 43.47s152.93113°	+45° 49′ 49.7″45.83046°	4.5′′	Good	4.2′	4.9 ks	Matches SIMBAD source: GALEX 2683734177801572098, 1.8″ away.
Mean XRT rate: 3.07 (+1.12, -0.92) ×10^-3 ct s^-1 Peak XRT rate: 3.07 (+1.12, -0.92) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 5.1×10^-3 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8.1 (+2.9, -2.4) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8.1 (+2.9, -2.4) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.5 [What is this?]
4 [details]	10h 12m 31.61s153.13169°	+45° 57′ 31.8″45.95882°	4.2′′	Good	7.8′	4.9 ks	Matches SIMBAD source: SDSS J101231.82+455731.2, 4″ away.
Mean XRT rate: 4.0 (+1.2, -1.0) ×10^-3 ct s^-1 Peak XRT rate: 4.0 (+1.2, -1.0) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.01 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.2 (+0.4, -0.3) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.2 (+0.4, -0.3) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.3 [What is this?]
5 [details]	10h 11m 21.31s152.83880°	+45° 56′ 25.8″45.94050°	5.6′′	Poor	9.6′	4.9 ks
Mean XRT rate: 1.2 (+0.8, -0.6) ×10^-3 ct s^-1 Peak XRT rate: 1.2 (+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: Light curve \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
6 [details]	10h 11m 32.72s152.88632°	+45° 56′ 05.5″45.93485°	7.5′′	Good	7.8′	4.9 ks
Mean XRT rate: 2.3 (+1.0, -0.8) ×10^-3 ct s^-1 Peak XRT rate: 2.3 (+1.0, -0.8) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.4 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.4 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.7 [What is this?]
7 [details]	10h 12m 13.59s153.05664°	+45° 50′ 36.2″45.84340°	4.9′′	Poor	1.3′	4.9 ks
Mean XRT rate: 1.2 (+0.8, -0.6) ×10^-3 ct s^-1 Peak XRT rate: 1.2 (+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: Light curve \| 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.

Image

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FITS image.

Exposure map

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FITS exposure map.