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Swift-XRT spectra of GRB 121011A

Last updated after receiving ObsID 00535764003, version 5.

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Time-averaged spectrum (T0 + 103 to 45015 s)

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WT and PC mode spectra of GRB 121011A

WT mode. Mean photon arrival: T0+119 s

NH (Galactic)2.56 × 1020 cm-2
NH (intrinsic)9 (+89, -9) × 1019 cm-2
z of absorber0
Photon index1.47 (+0.27, -0.18)
Flux (0.3-10 keV)
(Observed)
5.3 (+0.9, -0.9) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.5 (+0.8, -0.4) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.98 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.14 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
169.75 (226)
Spectrum exposure36 s

PC mode. Mean photon arrival: T0+5926 s

NH (Galactic)2.56 × 1020 cm-2
NH (intrinsic)2.0 (+6.3, -2.0) × 1020 cm-2
z of absorber0
Photon index1.76 (+0.26, -0.21)
Flux (0.3-10 keV)
(Observed)
9.2 (+1.6, -1.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
10.0 (+1.3, -1.2) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.69 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.99 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
169.95 (176)
Spectrum exposure16.0 ks

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Late Time spectrum (T0 + 4001 to 45015 s)

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PC mode spectrum of GRB 121011A

PC mode. Mean photon arrival: T0+9665 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)
3.5 (+0.9, -0.7) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.1 (+0.8, -0.7) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.09 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.66 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
106.34 (103)
Spectrum exposure15.3 ks

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