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Swift-XRT spectra of GRB 130315A

Last updated after receiving ObsID 00551126004, version 9

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 167 to 56840 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+244 s

NH (Galactic)3.63 × 1021 cm-2
NH (intrinsic)0 (+1.06 × 1020, -0) cm-2
z of absorber0
Photon index1.398 (+0.027, -0.022)
Flux (0.3-10 keV)
(Observed)
2.68 (+0.05, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.19 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Counts to flux (obs)5.37 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
790.69 (798)
Spectrum exposure292 s

PC mode. Mean photon arrival: T0+12588 s

NH (Galactic)3.63 × 1021 cm-2
NH (intrinsic)2.2 (+14.5, -2.2) × 1020 cm-2
z of absorber0
Photon index1.93 (+0.27, -0.18)
Flux (0.3-10 keV)
(Observed)
1.32 (+0.18, -0.18) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.96 (+0.33, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.06 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.04 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
167.72 (230)
Spectrum exposure16.9 ks

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Late Time spectrum (T0 + 4000 to 56840 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19530 s

NH (Galactic)3.63 × 1021 cm-2
NH (intrinsic)3.2 (+21.1, -3.2) × 1020 cm-2
z of absorber0
Photon index1.87 (+0.36, -0.23)
Flux (0.3-10 keV)
(Observed)
6.7 (+1.2, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.7 (+2.2, -1.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.22 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.12 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
115.26 (167)
Spectrum exposure16.7 ks

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