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Swift-XRT spectra of GRB 220618A

Last updated after receiving ObsID 01110821001, version 16

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 149 to 61894 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+283 s

NH (Galactic)4.74 × 1021 cm-2
NH (intrinsic)1.2 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index2.62 (+0.11, -0.11)
Flux (0.3-10 keV)
(Observed)
1.05 (+0.05, -0.05) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.90 (+0.35, -0.28) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.05 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.44 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
460.92 (475)
Spectrum exposure235 s

PC mode. Mean photon arrival: T0+10944 s

NH (Galactic)4.74 × 1021 cm-2
NH (intrinsic)0 (+8.20 × 1020, -0) cm-2
z of absorber0
Photon index2.32 (+0.26, -0.21)
Flux (0.3-10 keV)
(Observed)
9.9 (+1.9, -1.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.0 (+0.4, -0.7) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.38 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.66 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
118.04 (126)
Spectrum exposure11.4 ks

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Late Time spectrum (T0 + 4001 to 61894 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+26496 s

NH (Galactic)4.74 × 1021 cm-2
NH (intrinsic)0 (+1.93 × 1021, -0) cm-2
z of absorber0
Photon index1.99 (+0.49, -0.28)
Flux (0.3-10 keV)
(Observed)
3.88 (+0.98, -1.03) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.1 (+1.9, -2.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.06 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.42 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
58.41 (57)
Spectrum exposure11.0 ks

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