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Swift-XRT spectra of GRB 170113A

Last updated after receiving ObsID 00732526010, version 12

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.968 (GCN 20458)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 65 to 51815 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+126 s

NH (Galactic)1.09 × 1021 cm-2
NH (intrinsic)9.2 (+2.5, -2.4) × 1021 cm-2
z of absorber1.968
Photon index1.85 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
9.5 (+0.4, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.20 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.68 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.67 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
533.88 (594)
Spectrum exposure243 s

PC mode. Mean photon arrival: T0+10513 s

NH (Galactic)1.09 × 1021 cm-2
NH (intrinsic)8.6 (+3.0, -2.8) × 1021 cm-2
z of absorber1.968
Photon index1.78 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.63 (+0.08, -0.07) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.01 (+0.07, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.90 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.83 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
480.34 (529)
Spectrum exposure13.9 ks

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Late Time spectrum (T0 + 5161 to 51815 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15391 s

NH (Galactic)1.09 × 1021 cm-2
NH (intrinsic)7 (+4, -3) × 1021 cm-2
z of absorber1.968
Photon index1.75 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
9.8 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.19 (+0.05, -0.05) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.95 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.80 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
387.62 (485)
Spectrum exposure12.3 ks

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