GRB 210605B: Swift observation summary

Mission:	Swift/BAT
GRB RA:	15.732°
GRB Dec:	-6.467°
GRB Err:	7.0 arcmin
T0:	2021-06-05 14:55:58 UT
Galactic:	130.98° -69.16°
Galactic N_H:	5.42× 10²⁰ cm^-2
Galactic E(B-V):	0.1139217

Sun distance:	63.86°
Sun angle:	3.88 [hr](West of Sun)
Moon distance:	13.39°
Visibility of this field.

Data analysed so far:

ObsID: 00021450001 with 5.0 ks exposure.

Source 1 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.

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Sources found so far

So far 3 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]	01h 02m 58.95s15.74561°	-06° 25′ 44.3″-6.42897°	5.7′′	Good	2.4′	14.8 ks
Mean XRT rate: 1.4 (+0.4, -0.3) ×10^-3 ct s^-1 Peak XRT rate: 2.94 (+1.05, -0.86) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 4.4 (+1.4, -1.1) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 9.4 (+3.4, -2.7) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.6 [What is this?]
2 [details]	01h 03m 27.15s15.86311°	-06° 31′ 54.8″-6.53189°	8.2′′	Good	8.7′	14.8 ks	Matches known X-ray source: 4XMM J010327.1-063157 (from XMM-NEWTON/XMMSSC), 2.4″ away.
Mean XRT rate: 1.7 (+0.5, -0.4) ×10^-3 ct s^-1 Peak XRT rate: 1.8 (+0.6, -0.5) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.3 (+1.6, -1.3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 5.6 (+1.9, -1.6) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~1.3 [What is this?]
3 [details]	01h 02m 20.54s15.58557°	-06° 33′ 29.9″-6.55830°	6.2′′	Good	10.3′	5.0 ks	This source is extended or caused by diffuse emission.
Mean XRT rate: 4.0 (+1.3, -1.1) ×10^-3 ct s^-1 Peak XRT rate: 4.0 (+1.3, -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: 8.1 (+2.7, -2.2) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8.1 (+2.7, -2.2) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.5 [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.