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Swift-XRT spectra of GRB 121202A

Last updated after receiving ObsID 00540255004, version 8

Data were analysed using HEASOFT version 6.22

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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)0 (+2.67 × 1021, -0) cm-2
z of absorber0
Photon index1.4 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
1.9 (+0.8, -0.8) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.03 (+1.12, -0.84) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.22 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.39 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
20.30 (23)
Spectrum exposure11 s

PC mode. Mean photon arrival: T0+12018 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)2.1 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index2.03 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
2.61 (+0.20, -0.18) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.79 (+0.24, -0.25) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.55 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.14 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
339.48 (394)
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+15860 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)2.0 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index2.02 (+0.16, -0.16)
Flux (0.3-10 keV)
(Observed)
1.85 (+0.17, -0.16) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.64 (+0.20, -0.21) × 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?
301.28 (332)
Spectrum exposure18.2 ks

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