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Swift-XRT spectra of GRB 160117B

Last updated after receiving ObsID 00670800007, version 8

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.87 (GCN 18886)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 61 to 51460 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+96 s

N_H (Galactic)	5.71 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0.87
Photon index	2.31 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	10.0 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.37 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.92 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	477.21 (490)
Spectrum exposure	135 s

PC mode. Mean photon arrival: T0+7124 s

N_H (Galactic)	5.71 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+11.7, -3.0) × 10²⁰ cm^-2
z of absorber	0.87
Photon index	1.82 (+0.13, -0.11)
Flux (0.3-10 keV) (Observed)	3.25 (+0.28, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.65 (+0.26, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	323.68 (320)
Spectrum exposure	15.4 ks

Late Time spectrum (T0 + 5081 to 51460 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16402 s

N_H (Galactic)	5.71 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.48 × 10²¹, -0) cm^-2
z of absorber	0.87
Photon index	1.71 (+0.21, -0.10)
Flux (0.3-10 keV) (Observed)	1.32 (+0.14, -0.17) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.45 (+0.15, -0.15) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.80 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.16 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	200.85 (205)
Spectrum exposure	13.8 ks