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Swift-XRT spectra of GRB 121202A

Last updated after receiving ObsID 00540255004, version 7.

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Time-averaged spectrum (T0 + 2828 to 68038 s)

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WT and PC mode spectra of GRB 121202A

WT mode. Mean photon arrival: T0+2834 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)0 (+3.96 × 1021, -0) cm-2
z of absorber0
Photon index1.2 (+0.7, -0.4)
Flux (0.3-10 keV)
(Observed)
1.7 (+0.9, -0.8) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.7 (+0.7, -0.8) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.46 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.64 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
19.88 (23)
Spectrum exposure11 s

PC mode. Mean photon arrival: T0+12017 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)2.0 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index2.03 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
2.62 (+0.20, -0.19) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.77 (+0.24, -0.24) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.57 × 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?
340.16 (394)
Spectrum exposure19.3 ks

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Late Time spectrum (T0 + 4000 to 68038 s)

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PC mode spectrum of GRB 121202A

PC mode. Mean photon arrival: T0+15859 s

NH (Galactic)4.54 × 1020 cm-2
NH (intrinsic)1.9 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index2.01 (+0.16, -0.16)
Flux (0.3-10 keV)
(Observed)
1.85 (+0.18, -0.16) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.62 (+0.20, -0.20) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.06 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
301.58 (332)
Spectrum exposure18.2 ks

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