GRB 180210A: Swift observation summary

Mission:	Fermi/LAT
GRB RA:	1.800°
GRB Dec:	+18.350°
GRB Err:	10.8 arcmin
T0:	2018-02-10 12:24:33 UT
Galactic:	108.45° -43.27°
Galactic N_H:	3.17× 10²⁰ cm^-2
Galactic E(B-V):	0.03777764

Sun distance:	49.45°
Sun angle:	2.51 [hr](East of Sun)
Moon distance:	104.12°
Visibility of this field.

Data analysed so far:

ObsID: 00020787001 with 4.7 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.

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
1 [details]	00h 07m 22.08s1.84201°	+18° 33′ 09.6″18.55266°	1.6′′	Good	12.4′	7.5 ks	The source is fading with 3.3-σ significance.
Mean XRT rate: 3.96 (±0.29) ×10^-2 ct s^-1 Peak XRT rate: 9.7 (±1.8) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.08 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.04 (±0.08) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.5 (±0.5) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.02 [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 4 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from LAT pos	Exposure	Notes
1 [details]	00h 07m 22.08s1.84201°	+18° 33′ 09.6″18.55266°	1.6′′	Good	12.4′	7.5 ks	The source is fading with 3.3-σ significance.
Mean XRT rate: 3.96 (±0.29) ×10^-2 ct s^-1 Peak XRT rate: 9.7 (±1.8) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.08 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.04 (±0.08) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.5 (±0.5) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.02 [What is this?]
2 [details]	00h 07m 34.68s1.89448°	+18° 12′ 46.2″18.21284°	6.5′′	Good	9.8′	3.5 ks	Matches SIMBAD source: PHL 2662, 1″ away.
Mean XRT rate: 4.0 (+1.6, -1.3) ×10^-3 ct s^-1 Peak XRT rate: 4.0 (+1.6, -1.3) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 2.3 (+0.9, -0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.3 (+0.9, -0.7) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.6 [What is this?]
3 [details]	00h 07m 02.92s1.76217°	+18° 17′ 40.7″18.29465°	6.6′′	Reasonable	4.0′	4.7 ks
Mean XRT rate: 1.6 (+0.9, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 1.6 (+0.9, -0.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.09 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: ~1.7 [What is this?]
4 [details]	00h 07m 33.36s1.88900°	+18° 17′ 14.1″18.28725°	6.4′′	Good	6.3′	4.7 ks
Mean XRT rate: 4.0 (+1.8, -1.4) ×10^-3 ct s^-1 Peak XRT rate: 4.0 (+1.8, -1.4) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.7 (+0.8, -0.6) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.7 (+0.8, -0.6) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.6 [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.