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Home > Einstein Probe follow up > EP#01709177837

EP_FIELD00041

EP

41

/EP

EP#01709177837: Swift observation summary

Data analysed so far:

• ObsID: 00019854001 with 0.3 ks exposure.

About tiled field analysis.

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

• 19854 — 298 s of cleaned data taken between 2025-06-05 10:51:36 and 2025-06-05 10:58:20

Details of afterglow candidates

1 sources were found which matches the afterglow criteria.

#	RA (J2000)	Dec (J2000)	Err901	Detection Flag2	Rank3	Dist from Einstein Probe/WXT pos	Exposure	Notes	Vizier
1 [details]	11h 19m 14.55s169.81062°	-19° 49′ 45.0″-19.82918°	2.8′′ *	Good	2 (O)	1.0′	298 s	This source may be affected by optical loading Matches SIMBAD source: V* RV Crt, 3.1″ away. Matches known X-ray source: 1RXS J111914.6-194933 (from ROSAT/RASSBSC), 13.786132246419″ away.
Mean XRT rate: 1.90 (±0.14) ct s-1 Peak XRT rate: 3.3 (±0.7) ct s-1 -4.41 σ above the catalogued flux from ROSAT/RASSBSC. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 2.54 (±0.19) ct s-1 Peak XRT rate converted to PSPC: 4.3 (±1.0) ct s-1 Mean XRT flux: 6.2 (±0.5) ×10-11 erg cm-1s-1 Peak XRT flux: 1.06 (±0.24) ×10-10 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position

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 1 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err901	Detection Flag2	Rank3	Dist from Einstein Probe/WXT pos	Exposure	Notes	Vizier
1 [details]	11h 19m 14.55s169.81062°	-19° 49′ 45.0″-19.82918°	2.8′′ *	Good	2 (O)	1.0′	298 s	This source may be affected by optical loading Matches SIMBAD source: V* RV Crt, 3.1″ away. Matches known X-ray source: 1RXS J111914.6-194933 (from ROSAT/RASSBSC), 13.786132246419″ away.
Mean XRT rate: 1.90 (±0.14) ct s-1 Peak XRT rate: 3.3 (±0.7) ct s-1 -4.41 σ above the catalogued flux from ROSAT/RASSBSC. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 2.54 (±0.19) ct s-1 Peak XRT rate converted to PSPC: 4.3 (±1.0) ct s-1 Mean XRT flux: 6.2 (±0.5) ×10-11 erg cm-1s-1 Peak XRT flux: 1.06 (±0.24) ×10-10 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position

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.

Image

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FITS image.

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Exposure map

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FITS exposure map.