GRB 211203A: Swift observation summary

Mission:	Swift-BAT
GRB RA:	170.174°
GRB Dec:	+16.256°
GRB Err:	3.0 arcmin
T0:	2021-12-03 09:02:38 UT
Galactic:	235.62° +66.34°
Galactic N_H:	1.60× 10²⁰ cm^-2
Galactic E(B-V):	0.02288667

Sun distance:	86.93°
Sun angle:	5.31 [hr](West of Sun)
Moon distance:	73.71°
Visibility of this field.

Data analysed so far:

ObsID: 01086826000 with 0.2 ks exposure.
ObsID: 01086826001 with 3.1 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 5 sources have been found in the XRT data. 0 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Swift-BAT pos	Exposure
1 [details]	11h 19m 52.71s169.96961°	+16° 22′ 50.1″16.38058°	6.5′′	Poor	13.9′	0 s
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: ~0.5 [What is this?]
2 [details]	11h 20m 34.48s170.14367°	+16° 15′ 29.7″16.25824°	6.9′′	Good	1.8′	3.4 ks
Mean XRT rate: 2.11 (+1.21, -0.89) ×10^-3 ct s^-1 Peak XRT rate: 2.11 (+1.21, -0.89) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8 (+4, -3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8 (+4, -3) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.06 [What is this?]
3 [details]	11h 20m 53.59s170.22328°	+16° 22′ 58.7″16.38297°	6.4′′	Reasonable	8.1′	3.4 ks
Mean XRT rate: 2.6 (+1.4, -1.0) ×10^-3 ct s^-1 Peak XRT rate: 2.6 (+1.4, -1.0) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Spectrum \| Expected serendipitous sources: ~0.6 [What is this?]
4 [details]	11h 20m 07.04s170.02935°	+16° 26′ 27.4″16.44095°	6.9′′	Poor	13.9′	1.7 ks
Mean XRT rate: 10 (+4, -3) ×10^-3 ct s^-1 Peak XRT rate: 10 (+4, -3) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.2 [What is this?]
5 [details]	11h 20m 14.22s170.05925°	+16° 18′ 18.9″16.30524°	6.9′′	Reasonable	7.2′	3.4 ks
Mean XRT rate: 3.5 (+1.5, -1.2) ×10^-3 ct s^-1 Peak XRT rate: 3.5 (+1.5, -1.2) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.3 [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.

Image

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FITS image.

Exposure map

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FITS exposure map.