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Swift-XRT spectra of GRB 121125A

Last updated after receiving ObsID 00539563002, version 8.

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Time-averaged spectrum (T0 + 73 to 46552 s)

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WT and PC mode spectra of GRB 121125A

WT mode. Mean photon arrival: T0+108 s

NH (Galactic)1.32 × 1020 cm-2
NH (intrinsic)1.17 (+0.25, -0.24) × 1021 cm-2
z of absorber0
Photon index1.90 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
8.0 (+0.4, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.9 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.31 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
455.18 (518)
Spectrum exposure133 s

PC mode. Mean photon arrival: T0+11304 s

NH (Galactic)1.32 × 1020 cm-2
NH (intrinsic)9.6 (+2.8, -2.6) × 1020 cm-2
z of absorber0
Photon index1.99 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
5.6 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.0 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.35 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.16 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
365.58 (415)
Spectrum exposure16.0 ks

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Late Time spectrum (T0 + 4031 to 46552 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13259 s

NH (Galactic)1.32 × 1020 cm-2
NH (intrinsic)1.14 (+0.32, -0.30) × 1021 cm-2
z of absorber0
Photon index2.06 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
4.31 (+0.28, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.6 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.26 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.24 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
333.65 (388)
Spectrum exposure15.8 ks

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