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Swift-XRT spectra of GRB 120804A

Last updated after receiving ObsID 00529686010, version 19

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 97 to 58653 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+112 s

NH (Galactic)1.58 × 1021 cm-2
NH (intrinsic)3.5 (+2.9, -2.2) × 1021 cm-2
z of absorber0
Photon index2.2 (+0.5, -0.5)
Flux (0.3-10 keV)
(Observed)
1.8 (+0.5, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.37 (+1.54, -0.88) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.18 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.00 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
95.02 (114)
Spectrum exposure33 s

PC mode. Mean photon arrival: T0+7247 s

NH (Galactic)1.58 × 1021 cm-2
NH (intrinsic)4.1 (+1.3, -1.2) × 1021 cm-2
z of absorber0
Photon index1.99 (+0.19, -0.19)
Flux (0.3-10 keV)
(Observed)
3.08 (+0.32, -0.28) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.1 (+0.7, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.21 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.96 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
260.97 (348)
Spectrum exposure18.1 ks

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Late Time spectrum (T0 + 4235 to 58653 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17091 s

NH (Galactic)1.58 × 1021 cm-2
NH (intrinsic)4.7 (+2.7, -2.0) × 1021 cm-2
z of absorber0
Photon index1.9 (+0.3, -0.3)
Flux (0.3-10 keV)
(Observed)
9.7 (+1.6, -1.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.58 (+0.43, -0.24) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.38 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
162.81 (214)
Spectrum exposure17.3 ks

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