190331A: Swift observation summary

Mission:	IceCube
Neutrino RA:	337.680°
Neutrino Dec:	-20.700°
Neutrino Err:	28.8 arcmin
T0:	2019-03-31 06:55:43 UT
Galactic:	36.55° -57.32°
Galactic N_H:	3.18× 10²⁰ cm^-2

Sun distance:	39.80°
Sun angle:	2.12 [hr] (West of Sun)
Moon distance:	19.31°
Visibility of this field.
First slew:	2019-04-09 07:55:35 UT
First observation:	2019-04-09 07:42:23 UT
First analysis:	2023-03-22 11:38:23 UT

About tiled field analysis.

So far 8 fields have been scheduled for observations. Data are available and processed for 7 of these.

11279 — 762 s of cleaned data taken between 2019-04-09 07:45:27 and 2019-04-09 10:52:29
11280 — 802 s of cleaned data taken between 2019-04-09 07:48:47 and 2019-04-09 11:13:01
11281 — 802 s of cleaned data taken between 2019-04-09 07:52:05 and 2019-04-09 11:18:04
11282 — 804 s of cleaned data taken between 2019-04-09 07:55:23 and 2019-04-09 11:02:47
11283 — 802 s of cleaned data taken between 2019-04-09 07:58:39 and 2019-04-09 11:07:54
11284 — 802 s of cleaned data taken between 2019-04-09 08:01:49 and 2019-04-09 10:57:38
11285 — 784 s of cleaned data taken between 2019-04-09 08:04:54 and 2019-04-09 10:47:05

Details of afterglow candidates

1 sources were found which matches the afterglow criteria.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Rank³	Exposure	Notes	Vizier
1 [details]	22h 29m 25.29s337.35536°	-20° 18′ 43.9″-20.31218°	8.3′′	Good	2 (O)	29.6′	802 s	Matches SIMBAD source: WISEA J222925.59-201846.0, 4.8″ away. Matches known X-ray source: 1WGA J2229.4-2018 (from ROSAT/WGACAT), 14.2828872513747″ away.
Mean XRT rate: 1.0 (+0.7, -0.5) ×10^-2 ct s^-1 Peak XRT rate: 1.0 (+0.7, -0.5) ×10^-2 ct s^-1 -3.32 σ above the catalogued flux from ROSAT/WGACAT. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.051 (+0.032, -0.023) ct s^-1 Peak XRT rate converted to PSPC: 0.051 (+0.032, -0.023) ×10^-2 ct s^-1 Mean XRT flux: 2.3 (+1.4, -1.0) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.3 (+1.4, -1.0) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the LSXPS documentation.

³ T=Transient Source, O=Outbursting known source, U=Uncatalogued X-ray source, K=Known X-ray source.

^* 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	Rank³	Dist from IceCube pos	Exposure	Notes
1 [details]	22h 29m 25.29s337.35536°	-20° 18′ 43.9″-20.31218°	8.3′′	Good	2 (O)	29.6′	802 s	Matches SIMBAD source: WISEA J222925.59-201846.0, 4.8″ away. Matches known X-ray source: 1WGA J2229.4-2018 (from ROSAT/WGACAT), 14.2828872513747″ away.
Mean XRT rate: 1.0 (+0.7, -0.5) ×10^-2 ct s^-1 Peak XRT rate: 1.0 (+0.7, -0.5) ×10^-2 ct s^-1 -3.32 σ above the catalogued flux from ROSAT/WGACAT. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.051 (+0.032, -0.023) ct s^-1 Peak XRT rate converted to PSPC: 0.051 (+0.032, -0.023) ×10^-2 ct s^-1 Mean XRT flux: 2.3 (+1.4, -1.0) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.3 (+1.4, -1.0) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum
2 [details]	22h 32m 06.30s338.02625°	-21° 02′ 57.5″-21.04932°	20.1′′	Good	3 (U)	28.6′	802 s
Mean XRT rate: 10 (+5, -4) ×10^-3 ct s^-1 Peak XRT rate: 10 (+5, -4) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.018 (+0.010, -0.007) ×10^-2 ct s^-1 Peak XRT rate converted to PSPC: 0.018 (+0.010, -0.007) ×10^-2 ct s^-1 Mean XRT flux: 2.9 (+1.6, -1.2) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 2.9 (+1.6, -1.2) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum
3 [details]	22h 32m 04.62s338.01927°	-21° 07′ 11.6″-21.11990°	7.3′′	Poor	3 (U)	31.6′	802 s
Mean XRT rate: 10 (+7, -5) ×10^-3 ct s^-1 Peak XRT rate: 10 (+7, -5) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (PSPC count-rate) Products: Light curve
4 [details]	22h 30m 07.16s337.52983°	-21° 05′ 57.5″-21.09930°	7.7′′	Good	3 (U)	25.4′	804 s
Mean XRT rate: 9 (+5, -4) ×10^-3 ct s^-1 Peak XRT rate: 9 (+5, -4) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.015 (+0.009, -0.006) ×10^-2 ct s^-1 Peak XRT rate converted to PSPC: 0.015 (+0.009, -0.006) ×10^-2 ct s^-1 Mean XRT flux: 1.6 (+0.9, -0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.6 (+0.9, -0.7) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the LSXPS documentation.

³ T=Transient Source, O=Outbursting known source, U=Uncatalogued X-ray source, K=Known X-ray source.

^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

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Exposure map

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FITS exposure map.