GRB 181201A: Swift observation summary

Mission:	INTEGRAL
GRB RA:	319.301°
GRB Dec:	-12.624°
GRB Err:	2.0 deg
T0:	2018-12-01 02:38:00 UT
Galactic:	38.01° -37.99°
Galactic N_H:	4.32× 10²⁰ cm^-2
Galactic E(B-V):	0.05703238

Sun distance:	68.99°
Sun angle:	4.81 [hr] (East of Sun)
Moon distance:	144.09°
Visibility of this field.

Data analysed so far:

ObsID: 00020848001 with 5.0 ks exposure.

Source 5 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 INTEGRAL pos	Exposure	Notes	Vizier
5 [details]	21h 17m 11.20s319.29666°	-12° 37′ 51.0″-12.63082°	2.0′′	Good	0.5′	5.0 ks	The source is 4.4-σ above the RASS limit.
Mean XRT rate: 2.80 (±0.06) ct s^-1 Peak XRT rate: 6.9 (±1.6) ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.070 (±0.024) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 2.6 (±0.6) ×10^-10 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| 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 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 5 sources have been found in the XRT data. 0 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from INTEGRAL pos	Exposure	Notes
1 [details]	21h 17m 18.67s319.32780°	-12° 24′ 11.5″-12.40319°	4.3′′	Good	13.3′	2.4 ks
Mean XRT rate: 5.2 (+2.3, -1.8) ×10^-3 ct s^-1 Peak XRT rate: 5.2 (+2.3, -1.8) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.09 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8.1 (+3.5, -2.7) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8.1 (+3.5, -2.7) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.6 [What is this?]
2 [details]	21h 16m 56.25s319.23439°	-12° 27′ 40.4″-12.46123°	4.0′′	Good	10.5′	5.0 ks
Mean XRT rate: 4.5 (+1.4, -1.1) ×10^-3 ct s^-1 Peak XRT rate: 4.5 (+1.4, -1.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.08 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.06 (+0.32, -0.27) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.06 (+0.32, -0.27) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.7 [What is this?]
3 [details]	21h 17m 22.00s319.34165°	-12° 42′ 30.3″-12.70841°	9.0′′	Good	5.6′	5.0 ks
Mean XRT rate: 2.98 (+1.25, -1.00) ×10^-3 ct s^-1 Peak XRT rate: 2.98 (+1.25, -1.00) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 9 (+4, -3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 9 (+4, -3) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~1.1 [What is this?]
4 [details]	21h 17m 42.35s319.42647°	-12° 41′ 18.8″-12.68855°	6.5′′	Reasonable	8.3′	5.0 ks
Mean XRT rate: 2.0 (+1.0, -0.8) ×10^-3 ct s^-1 Peak XRT rate: 2.0 (+1.0, -0.8) ×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: Light curve \| Spectrum \| Expected serendipitous sources: ~1.9 [What is this?]
5 [details]	21h 17m 11.20s319.29666°	-12° 37′ 51.0″-12.63082°	2.0′′	Good	0.5′	5.0 ks	The source is 4.4-σ above the RASS limit.
Mean XRT rate: 2.80 (±0.06) ct s^-1 Peak XRT rate: 6.9 (±1.6) ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.070 (±0.024) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 2.6 (±0.6) ×10^-10 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| 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.