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Swift-XRT spectra of GRB 200425A

Last updated after receiving ObsID 00967774002, version 1

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 94 to 34775 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+146 s

NH (Galactic)1.59 × 1021 cm-2
NH (intrinsic)4.2 (+1.0, -0.9) × 1021 cm-2
z of absorber0
Photon index2.11 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
3.12 (+0.28, -0.26) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.6 (+0.7, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.82 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.89 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
356.85 (425)
Spectrum exposure145 s

PC mode. Mean photon arrival: T0+4221 s

NH (Galactic)1.59 × 1021 cm-2
NH (intrinsic)5.6 (+2.0, -1.7) × 1021 cm-2
z of absorber0
Photon index2.05 (+0.26, -0.24)
Flux (0.3-10 keV)
(Observed)
4.0 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.27 (+1.63, -0.98) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.32 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.80 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
203.54 (261)
Spectrum exposure7.6 ks

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Late Time spectrum (T0 + 4040 to 34775 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7832 s

NH (Galactic)1.59 × 1021 cm-2
NH (intrinsic)5.5 (+2.6, -2.2) × 1021 cm-2
z of absorber0
Photon index2.3 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
1.43 (+0.28, -0.23) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.07 (+1.35, -0.61) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.83 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.21 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
117.77 (155)
Spectrum exposure7.0 ks

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