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Swift-XRT spectra of GRB 121202A

Last updated after receiving ObsID 00540255004, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 2828 to 68055 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+2834 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)2.0 (+115.5, -2.0) × 1020 cm-2
z of absorber0
Photon index1.27 (+1.19, -0.55)
Flux (0.3-10 keV)
(Observed)
1.62 (+1.01, -0.71) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.7 (+0.8, -0.7) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.46 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.67 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
19.15 (24)
Spectrum exposure11 s

PC mode. Mean photon arrival: T0+12631 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)2.1 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index2.04 (+0.14, -0.14)
Flux (0.3-10 keV)
(Observed)
2.85 (+0.23, -0.21) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.17 (+0.27, -0.29) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
314.32 (385)
Spectrum exposure19.4 ks

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Late Time spectrum (T0 + 4000 to 68055 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16835 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)2.0 (+0.6, -0.6) × 1021 cm-2
z of absorber0
Photon index2.02 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
2.00 (+0.20, -0.18) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.86 (+0.23, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.55 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.08 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
276.41 (324)
Spectrum exposure18.2 ks

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