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Swift-XRT spectra of GRB 160425A

Last updated after receiving ObsID 00684098020, version 8

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.555 (GCN 19350)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 207 to 58618 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+321 s

N_H (Galactic)	7.74 × 10²⁰ cm^-2
N_H (intrinsic)	1.02 (+0.06, -0.05) × 10²² cm^-2
z of absorber	0.555
Photon index	2.07 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	4.35 (+0.09, -0.09) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.17 (+0.17, -0.16) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	760.07 (766)
Spectrum exposure	300 s

PC mode. Mean photon arrival: T0+11271 s

N_H (Galactic)	7.74 × 10²⁰ cm^-2
N_H (intrinsic)	1.05 (+0.19, -0.17) × 10²² cm^-2
z of absorber	0.555
Photon index	2.47 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	4.27 (+0.32, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.41 (+1.31, -1.00) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.85 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	280.01 (341)
Spectrum exposure	13.9 ks

Late Time spectrum (T0 + 6117 to 58618 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19348 s

N_H (Galactic)	7.74 × 10²⁰ cm^-2
N_H (intrinsic)	10.0 (+2.5, -2.2) × 10²¹ cm^-2
z of absorber	0.555
Photon index	2.43 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	2.04 (+0.21, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.3 (+0.8, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.14 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.64 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	266.25 (257)
Spectrum exposure	12.3 ks