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Swift-XRT spectra of GRB 180224A

Last updated after receiving ObsID 00811561001, version 13

Data were analysed using HEASOFT version 6.28

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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)
1.33 (+0.27, -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)2.40 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
79.96 (131)
Spectrum exposure35 s

PC mode. Mean photon arrival: T0+2031 s

NH (Galactic)8.24 × 1019 cm-2
NH (intrinsic)6 (+5, -4) × 1020 cm-2
z of absorber0
Photon index1.54 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
9.1 (+1.0, -0.9) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.0 (+0.7, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.34 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.33 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
333.72 (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 (+17.6, -7.8) × 1020 cm-2
z of absorber0
Photon index2.1 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
5.7 (+2.0, -1.5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.1 (+3.4, -1.3) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.20 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.28 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
60.26 (73)
Spectrum exposure6.4 ks

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