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Home > Einstein Probe follow up > EP#01709253145

EP_FIELD00089

EP

89

/EP

EP#01709253145: Swift observation summary

Data analysed so far:

• ObsID: 03000396001 with 1.5 ks exposure.

About tiled field analysis.

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

• 3000396 — 1.5 ks of cleaned data taken between 2026-01-28 04:06:08 and 2026-01-28 07:21:27

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]	10h 17m 44.71s154.43631°	-38° 05′ 17.6″-38.08821°	2.4′′ *	Good	2 (O)	1.2′	1.5 ks	Matches SIMBAD source: CD-37 6436, 3.1″ away. Matches known X-ray source: LSXPS J101744.6-380511 (from LSXPS), 4.1″ away.
Mean XRT rate: 5.63 (±0.14) ct s-1 Peak XRT rate: 9.8 (±2.1) ct s-1 -4.53 σ above the catalogued flux from LSXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 6.83 (±0.17) ct s-1 Peak XRT rate converted to PSPC: 11.9 (±2.6) ct s-1 Mean XRT flux: 2.25 (±0.06) ×10-10 erg cm-1s-1 Peak XRT flux: 3.9 (±0.9) ×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]	10h 17m 44.71s154.43631°	-38° 05′ 17.6″-38.08821°	2.4′′ *	Good	2 (O)	1.2′	1.5 ks	Matches SIMBAD source: CD-37 6436, 3.1″ away. Matches known X-ray source: LSXPS J101744.6-380511 (from LSXPS), 4.1″ away.
Mean XRT rate: 5.63 (±0.14) ct s-1 Peak XRT rate: 9.8 (±2.1) ct s-1 -4.53 σ above the catalogued flux from LSXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 6.83 (±0.17) ct s-1 Peak XRT rate converted to PSPC: 11.9 (±2.6) ct s-1 Mean XRT flux: 2.25 (±0.06) ×10-10 erg cm-1s-1 Peak XRT flux: 3.9 (±0.9) ×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.