sb25041603: Swift observation summary

Mission:	SVOM/ECLAIRs
SVOM RA:	184.107°
SVOM Dec:	+52.631°
SVOM Err:	10.8 arcmin
T0:	2025-04-16 06:28:04 UT
Galactic:	134.95° +63.67°
Galactic N_H:	2.09× 10²⁰ cm^-2

Sun distance:	114.93°
Sun angle:	10.65 [hr] (East of Sun)
Moon distance:	90.92°
Visibility of this field.

Data analysed so far:

ObsID: 00019719001 with 1.7 ks exposure.

About tiled field analysis.

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

19719 — 1.7 ks of cleaned data taken between 2025-04-16 13:19:43 and 2025-04-16 17:58:35

Find an upper limit.

Sources found so far

So far 6 sources have been found in the XRT data. 5 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Rank³	Dist from SVOM/ECLAIRs pos	Exposure	Notes
1 [details]	12h 15m 39.68s183.91534°	+52° 39′ 08.1″52.65225°	2.6′′ ^*	Good	4 (K)	7.1′	1.7 ks	Matches SIMBAD source: StKM 2-809, 3.4″ away. Matches known X-ray source: LSXPS J121539.2+523907 (from LSXPS), 3.7″ away.
Mean XRT rate: 0.347 (±0.021) ct s^-1 Peak XRT rate: 0.61 (±0.14) ct s^-1 -2.51 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: 0.56 (±0.03) ct s^-1 Peak XRT rate converted to PSPC: 0.98 (±0.22) ct s^-1 Mean XRT flux: 7.6 (±0.5) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 1.33 (±0.30) ×10^-11 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
2 [details]	12h 16m 13.65s184.05689°	+52° 42′ 45.4″52.71260°	3.2′′ ^*	Good	4 (K)	5.2′	1.7 ks	Matches SIMBAD source: 2MASS J12161363+5242459, 2.4″ away. Matches known X-ray source: XMMSL3 J121613.4+524244 (from XMM-NEWTON/XMMSLEWCLN), 1.0993471139231″ away.
Mean XRT rate: 3.8 (±0.6) ×10^-2 ct s^-1 Peak XRT rate: 4.8 (±1.1) ×10^-2 ct s^-1 3.15 σ below the catalogued flux from XMM-NEWTON/XMMSLEWCLN. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.047 (±0.007) ct s^-1 Peak XRT rate converted to PSPC: 0.059 (±0.014) ×10^-2 ct s^-1 Mean XRT flux: 1.78 (±0.27) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.2 (±0.5) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
3 [details]	12h 16m 23.37s184.09739°	+52° 43′ 54.7″52.73187°	4.7′′ ^*	Good	4 (K)	6.1′	1.7 ks	Matches SIMBAD source: 7C 121355.50+530039.00, 6.2″ away. Matches known X-ray source: 4XMM J121623.6+524400 (from XMM-NEWTON/XMMSSC), 6.1462819229508″ away.
Mean XRT rate: 1.2 (±0.3) ×10^-2 ct s^-1 Peak XRT rate: 1.2 (±0.3) ×10^-2 ct s^-1 6.01 σ below the catalogued flux from XMM-NEWTON/XMMSSC. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 3.4 (±0.9) ct s^-1 Peak XRT rate converted to PSPC: 3.4 (±0.9) ×10^-3 ct s^-1 Mean XRT flux: 2.0 (±0.5) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 2.0 (±0.5) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
4 [details]	12h 15m 44.67s183.93614°	+52° 30′ 52.0″52.51445°	7.1′′ ^*	Good	4 (K)	9.4′	1.7 ks	Matches SIMBAD source: V* EG UMa, 12.3″ away. Matches known X-ray source: LSXPS J121544.0+523058 (from LSXPS), 10.6″ away.
Mean XRT rate: 1.1 (+0.4, -0.3) ×10^-2 ct s^-1 Peak XRT rate: 1.1 (+0.4, -0.3) ×10^-2 ct s^-1 6.89 σ below 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: 0.021 (+0.007, -0.006) ct s^-1 Peak XRT rate converted to PSPC: 0.021 (+0.007, -0.006) ×10^-2 ct s^-1 Mean XRT flux: 1.8 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.8 (+0.6, -0.5) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
5 [details]	12h 16m 54.04s184.22516°	+52° 34′ 19.5″52.57208°	26.8′′	Poor	3 (U)	5.6′	1.7 ks
Mean XRT rate: 4.1 (+2.3, -1.7) ×10^-3 ct s^-1 Peak XRT rate: 4.1 (+2.3, -1.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (PSPC count-rate) Products: Light curve \| Spectrum
6 [details]	12h 15m 43.45s183.93106°	+52° 45′ 30.5″52.75846°	23.4′′	Poor	4 (K)	10.0′	1.7 ks	Matches SIMBAD source: SDSS J121544.16+524535.9, 8.5″ away. Matches known X-ray source: 4XMM J121544.1+524535 (from XMM-NEWTON/XMMSSC), 8.2454098405826″ away.
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 3.83 σ below the catalogued flux from XMM-NEWTON/XMMSSC. RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (PSPC count-rate) Products: Light curve

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.