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Swift-XRT spectra of GRB 121011A

Last updated after receiving ObsID 00535764003, version 6

Data were analysed using HEASOFT version 6.29

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Time-averaged spectrum (T0 + 103 to 45035 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+119 s

NH (Galactic)2.56 × 1020 cm-2
NH (intrinsic)5 (+8, -5) × 1020 cm-2
z of absorber0
Photon index1.58 (+0.27, -0.24)
Flux (0.3-10 keV)
(Observed)
4.6 (+0.9, -0.7) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.1 (+0.7, -0.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.84 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.22 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
162.19 (219)
Spectrum exposure36 s

PC mode. Mean photon arrival: T0+6215 s

NH (Galactic)2.56 × 1020 cm-2
NH (intrinsic)2.9 (+6.5, -2.9) × 1020 cm-2
z of absorber0
Photon index1.80 (+0.26, -0.23)
Flux (0.3-10 keV)
(Observed)
1.01 (+0.18, -0.15) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.11 (+0.15, -0.13) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.95 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
172.93 (174)
Spectrum exposure16.0 ks

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Late Time spectrum (T0 + 4001 to 45035 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10153 s

NH (Galactic)2.56 × 1020 cm-2
NH (intrinsic)4 (+9, -4) × 1020 cm-2
z of absorber0
Photon index2.1 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
3.96 (+1.02, -0.77) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.8 (+0.9, -0.8) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.05 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.68 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
121.75 (103)
Spectrum exposure15.3 ks

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