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Swift-XRT spectra of GRB 170126A

Last updated after receiving ObsID 00735188003, version 8

Data were analysed using HEASOFT version 6.28

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 90 to 40740 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+121 s

N_H (Galactic)	6.99 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+10.5, -3.0) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.42 (+0.26, -0.22)
Flux (0.3-10 keV) (Observed)	2.0 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.57 (+0.39, -0.19) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	159.99 (207)
Spectrum exposure	68 s

PC mode. Mean photon arrival: T0+6724 s

N_H (Galactic)	6.99 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+20.8, -1.9) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.69 (+0.46, -0.27)
Flux (0.3-10 keV) (Observed)	1.13 (+0.27, -0.25) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.6 (+9.4, -1.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.64 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	89.25 (116)
Spectrum exposure	7.0 ks

Late Time spectrum (T0 + 5677 to 40740 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17598 s

N_H (Galactic)	6.99 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+6.31 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.8 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	3.47 (+1.61, -0.52) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 (+53.1, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.60 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	48.46 (41)
Spectrum exposure	6.4 ks