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Swift-XRT spectra of GRB 120817A

Last updated after receiving ObsID 00531267000, version 12

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 3118 to 22939 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+9609 s

NH (Galactic)4.32 × 1021 cm-2
NH (intrinsic)4 (+4, -3) × 1021 cm-2
z of absorber0
Photon index2.0 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
1.44 (+0.29, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.5 (+1.0, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.75 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.35 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
145.83 (167)
Spectrum exposure9.7 ks

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Late Time spectrum (T0 + 4002 to 22939 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10969 s

NH (Galactic)4.32 × 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)
1.35 (+0.31, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.3 (+1.0, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.80 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.31 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
126.40 (145)
Spectrum exposure8.8 ks

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