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Swift-XRT spectra of GRB 130725A

Last updated after receiving ObsID 00563980000, version 7

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3102 to 21743 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+7958 s

N_H (Galactic)	5.13 × 10²⁰ cm^-2
N_H (intrinsic)	3.8 (+11.4, -3.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.4 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	5.3 (+1.4, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.1 (+2.0, -1.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.76 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	58.94 (79)
Spectrum exposure	6.8 ks

Late Time spectrum (T0 + 4000 to 21743 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9533 s

N_H (Galactic)	5.13 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+13.4, -1.6) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.2 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	4.8 (+1.3, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+1.6, -1.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.64 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	54.85 (58)
Spectrum exposure	5.9 ks