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Swift-XRT spectra of GRB 210930A

Last updated after receiving ObsID 01075565005, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 143 to 57558 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+230 s

NH (Galactic)9.55 × 1019 cm-2
NH (intrinsic)1.43 (+0.18, -0.16) × 1022 cm-2
z of absorber0
Photon index4.06 (+0.30, -0.28)
Flux (0.3-10 keV)
(Observed)
6.8 (+0.5, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.82 (+1.14, -0.58) × 10-8 erg cm-2 s-1
Counts to flux (obs)2.42 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.47 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
271.29 (285)
Spectrum exposure63 s

PC mode. Mean photon arrival: T0+5845 s

NH (Galactic)9.55 × 1019 cm-2
NH (intrinsic)6.4 (+2.4, -2.0) × 1021 cm-2
z of absorber0
Photon index2.3 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
2.6 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.65 (+2.45, -0.72) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.68 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.89 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
143.89 (158)
Spectrum exposure6.6 ks

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Late Time spectrum (T0 + 17146 to 57558 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21894 s

NH (Galactic)9.55 × 1019 cm-2
NH (intrinsic)8 (+78, -8) × 1020 cm-2
z of absorber0
Photon index1.44 (+1.30, -0.54)
Flux (0.3-10 keV)
(Observed)
7.4 (+4.2, -2.9) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.0 (+2.9, -2.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.95 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.35 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
34.83 (49)
Spectrum exposure4.9 ks

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