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Swift-XRT spectra of GRB 130315A

Last updated after receiving ObsID 00551126004, version 9.

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Time-averaged spectrum (T0 + 167 to 56830 s)

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WT and PC mode spectra of GRB 130315A

WT mode. Mean photon arrival: T0+244 s

NH (Galactic)3.63 × 1021 cm-2
NH (intrinsic)0 (+7.80 × 1019, -0) cm-2
z of absorber0
Photon index1.379 (+0.026, -0.019)
Flux (0.3-10 keV)
(Observed)
2.53 (+0.06, -0.05) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.97 (+0.05, -0.06) × 10-9 erg cm-2 s-1
Counts to flux (obs)5.50 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
786.86 (798)
Spectrum exposure292 s

PC mode. Mean photon arrival: T0+12760 s

NH (Galactic)3.63 × 1021 cm-2
NH (intrinsic)2.7 (+15.1, -2.7) × 1020 cm-2
z of absorber0
Photon index1.91 (+0.28, -0.19)
Flux (0.3-10 keV)
(Observed)
1.30 (+0.20, -0.18) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.92 (+0.32, -0.20) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.09 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
166.80 (226)
Spectrum exposure16.9 ks

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Late Time spectrum (T0 + 4000 to 56830 s)

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PC mode spectrum of GRB 130315A

PC mode. Mean photon arrival: T0+19530 s

NH (Galactic)3.63 × 1021 cm-2
NH (intrinsic)2.6 (+21.3, -2.6) × 1020 cm-2
z of absorber0
Photon index1.85 (+0.36, -0.24)
Flux (0.3-10 keV)
(Observed)
6.8 (+1.3, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.7 (+2.2, -1.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.27 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
114.80 (167)
Spectrum exposure16.7 ks

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