GRB 250213A: Swift observation summary

Mission:	SVOM/ECLAIRs
GRB RA:	112.489°
GRB Dec:	-20.097°
GRB Err:	10.5 arcmin
T0:	2025-02-13 23:46:24 UT
Galactic:	235.11° -0.97°
Galactic N_H:	7.52× 10²¹ cm^-2
Galactic E(B-V):	1.167113

Sun distance:	132.18°
Sun angle:	9.66 [hr](East of Sun)
Moon distance:	57.71°
Visibility of this field.

Data analysed so far:

ObsID: 00021777001 with 2.3 ks exposure.
ObsID: 00021777002 with 1.0 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 4 sources have been found in the XRT data. 3 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from SVOM/ECLAIRs pos	Exposure	Notes
1 [details]	07h 30m 34.51s112.64381°	-20° 09′ 11.8″-20.15328°	3.6′′	Good	9.4′	3.3 ks	Matches known X-ray source: 2SXPS J073034.8-200905 (from 2SXPS), 9″ away. Matches SIMBAD source: TYC 5987-2415-1, 1.4″ away.
Mean XRT rate: 2.1 (±0.3) ×10^-2 ct s^-1 Peak XRT rate: 2.3 (±0.4) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 4.9 (±0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 5.3 (±1.0) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-0.97°
2 [details]	07h 30m 13.74s112.55723°	-19° 56′ 57.9″-19.94943°	9.1′′	Good	9.7′	3.3 ks	Matches SIMBAD source: PMN J0730-1956, 6.3″ away.
Mean XRT rate: 5.8 (+2.0, -1.6) ×10^-3 ct s^-1 Peak XRT rate: 5.8 (+2.0, -1.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.48 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 4.2 (+1.4, -1.2) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 4.2 (+1.4, -1.2) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-0.97°
3 [details]	07h 30m 09.37s112.53905°	-20° 06′ 33.6″-20.10933°	6.4′′	Good	2.9′	3.3 ks
Mean XRT rate: 3.4 (+1.4, -1.2) ×10^-3 ct s^-1 Peak XRT rate: 3.4 (+1.4, -1.2) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 6.4 (+2.7, -2.2) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 6.4 (+2.7, -2.2) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-0.97°
4 [details]	07h 29m 06.75s112.27812°	-20° 05′ 19.9″-20.08886°	6.3′′	Reasonable	11.9′	3.3 ks	Matches SIMBAD source: ATO J112.2781-20.0887, 0.4″ away.
Mean XRT rate: 3.0 (+1.6, -1.2) ×10^-3 ct s^-1 Peak XRT rate: 3.0 (+1.6, -1.2) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.9 (+3.1, -2.3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 5.9 (+3.1, -2.3) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-0.97°

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 1SXPS documentation.
^* 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.