GRB 241001A: Swift observation summary

Mission:	SVOM/ECLAIRs
GRB RA:	20.424°
GRB Dec:	-43.534°
GRB Err:	13.0 arcmin
T0:	2024-10-01 17:08:45 UT
Galactic:	284.44° -72.49°
Galactic N_H:	1.66× 10²⁰ cm^-2
Galactic E(B-V):	0.01229209

Sun distance:	131.71°
Sun angle:	11.17 [hr](West of Sun)
Moon distance:	133.74°
Visibility of this field.

Data analysed so far:

ObsID: 00021719001 with 3.3 ks exposure.

Source 2 has been manually confirmed as the GRB afterglow; data for this object are now available through the main GRB results area for this GRB.

About ToO analysis.

Probable afterglow details

A source was found which matches the afterglow criteria.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from SVOM/ECLAIRs pos	Exposure	Notes	Vizier
2 [details]	01h 22m 12.71s20.55296°	-43° 28′ 30.6″-43.47516°	3.2′′	Good	6.6′	4.6 ks	The source is fading with 5.4-σ significance.
Mean XRT rate: 1.67 (±0.28) ×10^-2 ct s^-1 Peak XRT rate: 1.67 (±0.28) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 7.1 (±1.2) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 7.1 (±1.2) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]

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

Find an upper limit.

Sources found so far

So far 5 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from SVOM/ECLAIRs pos	Exposure	Notes
1 [details]	01h 21m 44.05s20.43355°	-43° 27′ 41.9″-43.46164°	7.8′′	Poor	4.4′	4.6 ks
Mean XRT rate: 2.09 (+1.25, -0.92) ×10^-3 ct s^-1 Peak XRT rate: 2.09 (+1.25, -0.92) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 5.6×10^-3 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 5.4 (+3.3, -2.4) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 5.4 (+3.3, -2.4) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	01h 22m 12.71s20.55296°	-43° 28′ 30.6″-43.47516°	3.2′′	Good	6.6′	4.6 ks	The source is fading with 5.4-σ significance.
Mean XRT rate: 1.67 (±0.28) ×10^-2 ct s^-1 Peak XRT rate: 1.67 (±0.28) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 7.1 (±1.2) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 7.1 (±1.2) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
3 [details]	01h 21m 57.02s20.48759°	-43° 22′ 43.1″-43.37864°	6.1′′	Good	9.7′	4.6 ks
Mean XRT rate: 6.8 (+1.8, -1.5) ×10^-3 ct s^-1 Peak XRT rate: 1.1 (+0.4, -0.3) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.05 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.1 (+0.8, -0.7) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 5.1 (+1.9, -1.5) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
4 [details]	01h 22m 24.46s20.60190°	-43° 36′ 05.9″-43.60164°	4.8′′	Good	8.7′	3.3 ks	This source is affected by optical loading. Matches SIMBAD source: HD 8391, 3.9″ away.
Mean XRT rate: 7.5 (±2.0) ×10^-3 ct s^-1 Peak XRT rate: 7.5 (±2.0) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
5 [details]	01h 22m 01.60s20.50667°	-43° 29′ 32.5″-43.49237°	7.6′′	Poor	4.4′	4.6 ks
Mean XRT rate: 2.06 (+1.24, -0.91) ×10^-3 ct s^-1 Peak XRT rate: 2.06 (+1.24, -0.91) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 3.26 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8 (+5, -4) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 8 (+5, -4) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]

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

Select image style: Draggable PNG | JS9.

Magnify image and make scrollable?

FITS image.

Exposure map

Magnify exposure map and make scrollable?

FITS exposure map.