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Swift-XRT spectra of GRB 160131A

Last updated after receiving ObsID 00672236013, version 7

Data were analysed using HEASOFT version 6.26.1

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The spectral fits assume a redshift: 0.97 (GCN 18965)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 76 to 131393 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+252 s

NH (Galactic)1.15 × 1021 cm-2
NH (intrinsic)2.6 (+0.5, -0.5) × 1021 cm-2
z of absorber0.97
Photon index1.428 (+0.028, -0.028)
Flux (0.3-10 keV)
(Observed)
1.83 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.06 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.80 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.42 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
847.84 (811)
Spectrum exposure521 s

PC mode. Mean photon arrival: T0+25981 s

NH (Galactic)1.15 × 1021 cm-2
NH (intrinsic)4.0 (+0.9, -0.8) × 1021 cm-2
z of absorber0.97
Photon index1.98 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
7.15 (+0.26, -0.25) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.71 (+0.30, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.81 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
537.55 (579)
Spectrum exposure34.6 ks

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Late Time spectrum (T0 + 4001 to 131393 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+26363 s

NH (Galactic)1.15 × 1021 cm-2
NH (intrinsic)4.1 (+0.9, -0.8) × 1021 cm-2
z of absorber0.97
Photon index1.98 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
7.00 (+0.26, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.53 (+0.29, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.81 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
535.65 (576)
Spectrum exposure34.4 ks

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