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Swift-XRT spectra of GRB 151031A

Last updated after receiving ObsID 00662330008, version 10

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.167 (GCN 18540)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 443 to 37415 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+5849 s

N_H (Galactic)	2.62 × 10²⁰ cm^-2
N_H (intrinsic)	1.0 (+0.4, -0.3) × 10²² cm^-2
z of absorber	1.167
Photon index	2.11 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	1.69 (+0.22, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.41 (+0.30, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.66 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	195.45 (222)
Spectrum exposure	9.9 ks

Late Time spectrum (T0 + 6210 to 37415 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13263 s

N_H (Galactic)	2.62 × 10²⁰ cm^-2
N_H (intrinsic)	10 (+7, -5) × 10²¹ cm^-2
z of absorber	1.167
Photon index	1.87 (+0.33, -0.30)
Flux (0.3-10 keV) (Observed)	1.01 (+0.23, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.30 (+0.23, -0.19) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.70 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.79 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	115.42 (113)
Spectrum exposure	7.5 ks