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Swift-XRT spectra of GRB 250814A

Last updated after receiving ObsID 01342439001, version 5

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 180 to 40148 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+254 s

NH (Galactic)6.50 × 1021 cm-2
NH (intrinsic)5 (+4, -3) × 1021 cm-2
z of absorber0
Photon index1.33 (+0.24, -0.22)
Flux (0.3-10 keV)
(Observed)
5.3 (+0.6, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.1 (+0.7, -0.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)6.90 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
369.01 (451)
Spectrum exposure184 s

PC mode. Mean photon arrival: T0+1681 s

NH (Galactic)6.50 × 1021 cm-2
NH (intrinsic)4 (+4, -3) × 1021 cm-2
z of absorber0
Photon index1.9 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
5.58 (+1.10, -0.91) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.4 (+3.2, -1.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.27 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
114.94 (174)
Spectrum exposure6.5 ks

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Late Time spectrum (T0 + 5010 to 40148 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23885 s

NH (Galactic)6.50 × 1021 cm-2
NH (intrinsic)1.4 (+11.9, -1.4) × 1022 cm-2
z of absorber0
Photon index4.8 (+50.3, -3.0)
Flux (0.3-10 keV)
(Observed)
7 (+10, -4) × 10-14 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8 (+1.00 × 1012, -8) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.28 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.53 × 10-9 erg cm-2 ct-1
W-stat (dof)
What's this?
6.96 (8)
Spectrum exposure5.3 ks

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