sb25042207: Swift observation summary

Mission:	SVOM/ECLAIRs
SVOM RA:	194.927°
SVOM Dec:	+27.774°
SVOM Err:	11.2 arcmin
T0:	2025-04-22 22:36:17 UT
Galactic:	52.80° +88.05°
Galactic N_H:	8.51× 10¹⁹ cm^-2

Sun distance:	137.08°
Sun angle:	10.96 [hr] (East of Sun)
Moon distance:	135.88°
Visibility of this field.
First slew:	2025-04-22 23:37:20 UT
First observation:	2025-04-22 23:36:48 UT
First analysis:	2025-04-23 04:46:20 UT

Data analysed so far:

ObsID: 00019732001 with 1.6 ks exposure.

About tiled field analysis.

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

19732 — 1.6 ks of cleaned data taken between 2025-04-22 23:37:17 and 2025-04-23 00:09:17

Find an upper limit.

Sources found so far

So far 4 sources have been found in the XRT data. 2 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Rank³	Dist from SVOM/ECLAIRs pos	Exposure	Notes
1 [details]	12h 59m 37.20s194.90499°	+27° 57′ 00.1″27.95002°	6.0′′	Poor	4 (K)	10.6′	1.6 ks	Matches SIMBAD source: [CTM2010] 194749, 12″ away. Matches known X-ray source: 4XMM J125936.8+275706 (from XMM-NEWTON/XMMSSC), 7.9825710068739″ away.
Mean XRT rate: 4.5 (±0.9) ×10^-2 ct s^-1 Peak XRT rate: 5.2 (±1.7) ×10^-2 ct s^-1 -2.59 σ above 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: 0.051 (±0.010) ct s^-1 Peak XRT rate converted to PSPC: 0.058 (±0.019) ×10^-2 ct s^-1 Mean XRT flux: 1.6 (±0.3) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 1.9 (±0.6) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum
2 [details]	12h 59m 45.53s194.93972°	+27° 52′ 41.0″27.87806°	6.0′′	Poor	3 (U)	6.3′	1.6 ks
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.09 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: Light curve \| Spectrum
3 [details]	12h 59m 19.63s194.83179°	+27° 51′ 29.7″27.85824°	5.8′′	Poor	3 (U)	7.1′	1.6 ks	Matches SIMBAD source: LP 322-238, 17″ away.
Mean XRT rate: 1.6 (±0.6) ×10^-2 ct s^-1 Peak XRT rate: 1.6 (±0.6) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.19 (±0.07) ct s^-1 Peak XRT rate converted to PSPC: 0.19 (±0.07) ×10^-1 ct s^-1 Mean XRT flux: 3.3 (±1.3) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 3.3 (±1.3) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum
4 [details]	13h 00m 33.46s195.13942°	+27° 44′ 52.0″27.74779°	7.5′′	Poor	3 (U)	11.4′	1.6 ks
Mean XRT rate: 1.1 (+0.5, -0.4) ×10^-2 ct s^-1 Peak XRT rate: 1.1 (+0.5, -0.4) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.07 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.

Image

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FITS image.

Exposure map

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FITS exposure map.