EP#01709130758: Swift observation summary

Mission:	Einstein Probe/WXT
Einstein Probe RA:	49.904°
Einstein Probe Dec:	+41.634°
Einstein Probe Err:	3.0 arcmin
T0:	2025-01-24 20:52:02 UT
Galactic:	150.48° -13.18°
Galactic N_H:	1.35× 10²¹ cm^-2

Sun distance:	111.92°
Sun angle:	6.86 [hr](East of Sun)
Moon distance:	160.09°
Visibility of this field.
First slew:	2025-01-24 22:10:45 UT
First observation:	2025-01-24 22:10:13 UT
First analysis:	2025-01-25 00:32:30 UT

Data analysed so far:

ObsID: 00019048001 with 2.0 ks exposure.

About tiled field analysis.

So far 1 fields have been scheduled for observations. Data are available and processed for 1 of these.

19048 — 2.0 ks of cleaned data taken between 2025-01-24 22:10:43 and 2025-01-24 23:51:28

Find an upper limit.

Sources found so far

So far 4 sources have been found in the XRT data. 8 sources match catalogued sources. There are also 6 sources marked as spurious.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Rank³	Dist from Einstein Probe/WXT pos	Exposure	Notes
1 [details]	03h 19m 48.23s49.95095°	+41° 30′ 41.5″41.51152°	2.5′′ ^*	Good	4 (K)	7.6′	2.0 ks	This source may be affected by optical loading Matches SIMBAD source: 3C 84, 0.6″ away. Matches known X-ray source: 2SXPS J031948.2+413041 (from 2SXPS), 1.2″ away.
Mean XRT rate: 12.4 (±0.9) ct s^-1 Peak XRT rate: 18 (±3) ct s^-1 49.37 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 14.1 (±1.0) ct s^-1 Peak XRT rate converted to PSPC: 21 (±4) ct s^-1 Mean XRT flux: 4.2 (±0.3) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 6.1 (±1.2) ×10^-10 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
2 [details]	03h 19m 53.91s49.97462°	+41° 30′ 12.1″41.50337°	5.0′′	Poor	0 ()	8.5′	2.0 ks	This source is extended or caused by diffuse emission. Matches known X-ray source: 1WGA J0319.8+4130 (from ROSAT/WGACAT), 50.552322979885″ away.
Mean XRT rate: 4.6 (±0.3) ct s^-1 Peak XRT rate: 7.7 (±1.8) ct s^-1 3.03 σ below 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: 4.9 (±0.3) ct s^-1 Peak XRT rate converted to PSPC: 8.2 (±1.9) ct s^-1 Mean XRT flux: 1.64 (±0.11) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 2.7 (±0.6) ×10^-10 erg cm^-1s^-1 Products: Light curve \| Spectrum
3 [details]	03h 18m 50.89s49.71206°	+41° 41′ 47.2″41.69645°	5.8′′ ^*	Poor	4 (K)	9.4′	2.0 ks	Matches known X-ray source: 2SXPS J031851.2+414154 (from 2SXPS), 7.2″ away.
Mean XRT rate: 1.3 (±0.4) ×10^-2 ct s^-1 Peak XRT rate: 1.3 (±0.4) ×10^-2 ct s^-1 -3.20 σ above the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.022 (±0.007) ct s^-1 Peak XRT rate converted to PSPC: 0.022 (±0.007) ×10^-2 ct s^-1 Mean XRT flux: 1.6 (±0.5) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.6 (±0.5) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
4 [details]	03h 19m 58.13s49.99221°	+41° 48′ 53.3″41.81480°	7.8′′	Poor	3 (U)	11.5′	0 s
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.07 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: undetermined ct s^-1 Peak XRT rate converted to PSPC: undetermined ct s^-1 Mean XRT flux: undetermined erg cm^-1s^-1 Peak XRT flux: undetermined erg cm^-1s^-1 Products: Spectrum
5 [details]	03h 18m 38.13s49.65887°	+41° 32′ 11.4″41.53650°	7.9′′	Poor	3 (U)	12.5′	1.7 ks
Mean XRT rate: 1.3 (±0.4) ×10^-2 ct s^-1 Peak XRT rate: 1.3 (±0.4) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 4.21 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 1.7 (+0.6, -0.5) ct s^-1 Peak XRT rate converted to PSPC: 1.7 (+0.6, -0.5) ×10^-4 ct s^-1 Mean XRT flux: 1.04 (+0.35, -0.29) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 1.04 (+0.35, -0.29) ×10^-11 erg cm^-1s^-1 Products: Light curve
6 [details]	03h 19m 39.16s49.91315°	+41° 30′ 20.9″41.50582°	3.5′′	Good	0 ()	7.7′	2.0 ks	This source is extended or caused by diffuse emission. Matches known X-ray source: 2SXPS J031939.2+413021 (from 2SXPS), 1.6″ away.
Mean XRT rate: 16.8 (±0.4) ct s^-1 Peak XRT rate: 30 (±6) ct s^-1 -4.97 σ above the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 18.5 (±0.5) ct s^-1 Peak XRT rate converted to PSPC: 33 (±7) ct s^-1 Mean XRT flux: 5.83 (±0.15) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 1.04 (±0.21) ×10^-9 erg cm^-1s^-1 Products: Light curve \| Spectrum
7 [details]	03h 19m 43.26s49.93025°	+41° 31′ 58.8″41.53300°	8.6′′ ^*	Good	3 (U)	6.2′	2.0 ks	The source is 4.7-σ above the LSPXS limit. This source is extended or caused by diffuse emission. Matches SIMBAD source: [PFC2012] UCD9, 1.5″ away.
Mean XRT rate: 8.40 (±0.23) ct s^-1 Peak XRT rate: 15 (±3) ct s^-1 RASS PSPC 3-σ upper limit: 2.88 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 9.47 (±0.26) ct s^-1 Peak XRT rate converted to PSPC: 16 (±3) ct s^-1 Mean XRT flux: 3.00 (±0.08) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 5.2 (±1.1) ×10^-10 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
8 [details]	03h 19m 50.38s49.95992°	+41° 30′ 12.6″41.50349°	4.7′′	Reasonable	0 ()	8.2′	2.0 ks	This source is extended or caused by diffuse emission. Matches known X-ray source: 2SXPS J031950.6+413018 (from 2SXPS), 7.2″ away.
Mean XRT rate: 0.907 (±0.027) ct s^-1 Peak XRT rate: 1.4 (±0.3) ct s^-1 -4.53 σ above the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 1.05 (±0.03) ct s^-1 Peak XRT rate converted to PSPC: 1.6 (±0.4) ct s^-1 Mean XRT flux: 2.94 (±0.09) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 4.6 (±1.0) ×10^-11 erg cm^-1s^-1 Products: Light curve \| Spectrum
9 [details]	03h 19m 46.57s49.94406°	+41° 29′ 48.3″41.49674°	6.1′′ ^*	Poor	0 ()	8.4′	2.0 ks	This source is extended or caused by diffuse emission. Matches SIMBAD source: [HCF2005] SW1 knot, 9.4″ away. Matches known X-ray source: 2SXPS J031946.8+412946 (from 2SXPS), 3.4″ away.
Mean XRT rate: 0.926 (±0.027) ct s^-1 Peak XRT rate: 1.7 (±0.4) ct s^-1 -4.41 σ above the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 1.04 (±0.03) ct s^-1 Peak XRT rate converted to PSPC: 1.9 (±0.4) ct s^-1 Mean XRT flux: 3.11 (±0.09) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 5.6 (±1.3) ×10^-11 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
10 [details]	03h 19m 49.20s49.95499°	+41° 29′ 50.7″41.49741°	5.5′′	Poor	0 ()	8.5′	2.0 ks	This source is extended or caused by diffuse emission. Matches known X-ray source: 1WGA J0319.8+4130 (from ROSAT/WGACAT), 31.803259098525″ away.
Mean XRT rate: 0.317 (±0.018) ct s^-1 Peak XRT rate: 0.67 (±0.15) ct s^-1 68.90 σ below 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: 0.341 (±0.019) ct s^-1 Peak XRT rate converted to PSPC: 0.71 (±0.16) ct s^-1 Mean XRT flux: 1.14 (±0.06) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 2.4 (±0.5) ×10^-11 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.