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Swift-XRT spectra of GRB 180224A

Last updated after receiving ObsID 00811561001, version 13

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 84 to 56670 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+99 s

NH (Galactic)8.24 × 1019 cm-2
NH (intrinsic)2.7 (+9.0, -2.7) × 1020 cm-2
z of absorber0
Photon index2.0 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
1.6 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.77 (+0.33, -0.25) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.90 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
79.97 (131)
Spectrum exposure35 s

PC mode. Mean photon arrival: T0+2026 s

NH (Galactic)8.24 × 1019 cm-2
NH (intrinsic)6 (+5, -4) × 1020 cm-2
z of absorber0
Photon index1.52 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
9.94 (+1.05, -0.95) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.07 (+0.08, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.66 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
334.50 (334)
Spectrum exposure7.8 ks

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Late Time spectrum (T0 + 4842 to 56670 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9481 s

NH (Galactic)8.24 × 1019 cm-2
NH (intrinsic)7.8 (+17.5, -7.8) × 1020 cm-2
z of absorber0
Photon index2.1 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
6.3 (+2.2, -1.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.7 (+2.1, -1.7) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.20 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.94 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
60.25 (73)
Spectrum exposure6.4 ks

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