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Swift-XRT spectra of GRB 130102A

Last updated after receiving ObsID 00544784001, version 16.

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Time-averaged spectrum (T0 + 122 to 76593 s)

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WT and PC mode spectra of GRB 130102A

WT mode. Mean photon arrival: T0+148 s

NH (Galactic)9.40 × 1021 cm-2
NH (intrinsic)1.2 (+0.9, -0.7) × 1022 cm-2
z of absorber0
Photon index1.4 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
4.4 (+0.8, -0.7) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.6 (+2.0, -1.0) × 10-10 erg cm-2 s-1
Counts to flux (obs)7.10 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.07 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
180.22 (273)
Spectrum exposure60 s

PC mode. Mean photon arrival: T0+2987 s

NH (Galactic)9.40 × 1021 cm-2
NH (intrinsic)10 (+6, -5) × 1021 cm-2
z of absorber0
Photon index2.0 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
1.83 (+0.28, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.95 (+1.76, -0.85) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.96 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.29 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
230.52 (241)
Spectrum exposure21.2 ks

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Late Time spectrum (T0 + 5334 to 76593 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+24567 s

NH (Galactic)9.40 × 1021 cm-2
NH (intrinsic)2.3 (+157.6, -2.3) × 1020 cm-2
z of absorber0
Photon index1.42 (+1.16, -0.51)
Flux (0.3-10 keV)
(Observed)
1.5 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.01 (+2.73, -0.54) × 10-13 erg cm-2 s-1
Counts to flux (obs)6.65 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.88 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
30.49 (33)
Spectrum exposure19.3 ks

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