GRB 220403C: Swift observation summary

Mission:	Fermi/GBM
GRB RA:	17.571°
GRB Dec:	-56.225°
GRB Err:	9.0 arcmin
T0:	2022-04-03 10:13:50 UT
Galactic:	297.58° -60.71°
Galactic N_H:	2.25× 10²⁰ cm^-2
Galactic E(B-V):	0.02083895

Sun distance:	61.75°
Sun angle:	0.33 [hr] (East of Sun)
Moon distance:	71.48°
Visibility of this field.

Data analysed so far:

ObsID: 00021485001 with 2.5 ks exposure.

About ToO analysis.

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Sources found so far

So far 2 sources have been found in the XRT data. 0 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Fermi/GBM pos	Exposure
1 [details]	01h 10m 13.12s17.55468°	-56° 14′ 04.2″-56.23449°	5.5′′	Good	0.8′	2.5 ks
Mean XRT rate: 5.7 (+2.0, -1.6) ×10^-3 ct s^-1 Peak XRT rate: 5.7 (+2.0, -1.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.10 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 6.8 (+2.4, -2.0) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 6.8 (+2.4, -2.0) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.2 [What is this?]
2 [details]	01h 11m 37.77s17.90738°	-56° 10′ 38.9″-56.17747°	9.7′′	Poor	11.6′	1.5 ks
Mean XRT rate: 5.0 (+3.2, -2.3) ×10^-3 ct s^-1 Peak XRT rate: 5.0 (+3.2, -2.3) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Expected serendipitous sources: ~0.4 [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

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FITS image.

Exposure map

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FITS exposure map.