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Swift-XRT spectra of GRB 210905A

Last updated after receiving ObsID 01071993028, version 6

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 6.318 (GCN 30771)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 98 to 68383 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+299 s

NH (Galactic)3.38 × 1020 cm-2
NH (intrinsic)3.5 (+1.8, -1.7) × 1022 cm-2
z of absorber6.318
Photon index1.41 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
1.52 (+0.05, -0.05) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.61 (+0.05, -0.04) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.55 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.82 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
678.21 (701)
Spectrum exposure209 s

PC mode. Mean photon arrival: T0+17570 s

NH (Galactic)3.38 × 1020 cm-2
NH (intrinsic)2.8 (+3.7, -2.8) × 1022 cm-2
z of absorber6.318
Photon index1.86 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
9.2 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.03 (+0.07, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.47 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.88 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
310.88 (318)
Spectrum exposure5.0 ks

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Late Time spectrum (T0 + 4002 to 68383 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22839 s

NH (Galactic)3.38 × 1020 cm-2
NH (intrinsic)3 (+4, -3) × 1022 cm-2
z of absorber6.318
Photon index1.88 (+0.15, -0.15)
Flux (0.3-10 keV)
(Observed)
6.4 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.2 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.44 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.87 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
237.72 (281)
Spectrum exposure4.7 ks

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