sb25090304: Swift observation summary

Mission:	SVOM/ECLAIRs
SVOM RA:	356.969°
SVOM Dec:	-75.946°
SVOM Err:	5.2 arcmin
T0:	2025-09-03 17:24:43 UT
Galactic:	307.95° -40.56°
Galactic N_H:	3.98× 10²⁰ cm^-2

Sun distance:	110.99°
Sun angle:	11.04 [hr] (West of Sun)
Moon distance:	58.36°
Visibility of this field.
First slew:	2025-09-03 20:54:59 UT
First observation:	2025-09-03 20:54:27 UT
First analysis:	2025-09-03 23:51:13 UT

Data analysed so far:

ObsID: 03000070001 with 2.4 ks exposure.

About tiled field analysis.

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

3000070 — 2.4 ks of cleaned data taken between 2025-09-03 20:54:55 and 2025-09-04 00:18:39

Find an upper limit.

Sources found so far

So far 4 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Rank³	Dist from SVOM/ECLAIRs pos	Exposure	Notes
1 [details]	23h 47m 12.18s356.80076°	-75° 57′ 57.6″-75.96601°	4.3′′	Good	3 (U)	2.7′	2.4 ks
Mean XRT rate: 3.9 (±0.5) ×10^-2 ct s^-1 Peak XRT rate: 5.2 (±1.4) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.09 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.059 (±0.007) ct s^-1 Peak XRT rate converted to PSPC: 0.079 (±0.021) ×10^-2 ct s^-1 Mean XRT flux: 1.33 (+0.17, -0.16) ×10^-12 erg cm^-1s^-1 Peak XRT flux: 1.8 (±0.5) ×10^-12 erg cm^-1s^-1 Products: Light curve \| Spectrum
2 [details]	23h 48m 19.49s357.08120°	-75° 52′ 14.4″-75.87068°	6.4′′	Good	3 (U)	4.8′	2.4 ks	Matches SIMBAD source: LEDA 242511, 4.1″ away.
Mean XRT rate: 8.6 (+2.9, -2.4) ×10^-3 ct s^-1 Peak XRT rate: 8.6 (+2.9, -2.4) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 2.65 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 1.7 (+0.6, -0.5) ×10^-4 ct s^-1 Peak XRT rate converted to PSPC: 1.7 (+0.6, -0.5) ×10^-4 ct s^-1 Mean XRT flux: 1.06 (+0.36, -0.30) ×10^-11 erg cm^-1s^-1 Peak XRT flux: 1.06 (+0.36, -0.30) ×10^-11 erg cm^-1s^-1 Products: Light curve \| Spectrum
3 [details]	23h 48m 17.67s357.07363°	-75° 51′ 15.8″-75.85438°	8.0′′ ^*	Good	3 (U)	5.7′	2.4 ks
Mean XRT rate: 4.6 (+2.2, -1.7) ×10^-3 ct s^-1 Peak XRT rate: 4.6 (+2.2, -1.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 6.8 (+3.2, -2.5) ×10^-3 ct s^-1 Peak XRT rate converted to PSPC: 6.8 (+3.2, -2.5) ×10^-3 ct s^-1 Mean XRT flux: 1.7 (+0.8, -0.6) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.7 (+0.8, -0.6) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position
4 [details]	23h 47m 56.63s356.98596°	-75° 50′ 11.8″-75.83662°	6.4′′	Reasonable	3 (U)	6.6′	2.4 ks
Mean XRT rate: 3.0 (+1.7, -1.3) ×10^-3 ct s^-1 Peak XRT rate: 3.0 (+1.7, -1.3) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.14 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 2.8 (+1.6, -1.2) ×10^-3 ct s^-1 Peak XRT rate converted to PSPC: 2.8 (+1.6, -1.2) ×10^-3 ct s^-1 Mean XRT flux: 1.6 (+0.9, -0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.6 (+0.9, -0.7) ×10^-13 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.

Image

Select image style: Draggable PNG | JS9.

Magnify image and make scrollable?

FITS image.

Exposure map

Magnify exposure map and make scrollable?

FITS exposure map.