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Swift-XRT spectra of GRB 130925A

Last updated after receiving ObsID 00571830075, version 19

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.347 (GCN 15249)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 151 to 40413 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+3431 s

N_H (Galactic)	1.75 × 10²⁰ cm^-2
N_H (intrinsic)	2.61 (+0.04, -0.04) × 10²² cm^-2
z of absorber	0.347
Photon index	1.740 (+0.015, -0.015)
Flux (0.3-10 keV) (Observed)	3.386 (+0.022, -0.022) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.52 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	1401.85 (960)
Spectrum exposure	3.2 ks

PC mode. Mean photon arrival: T0+16135 s

N_H (Galactic)	1.75 × 10²⁰ cm^-2
N_H (intrinsic)	3.09 (+0.31, -0.29) × 10²² cm^-2
z of absorber	0.347
Photon index	2.58 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	8.7 (+0.4, -0.4) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.2 (+0.6, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.08 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.49 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	472.11 (508)
Spectrum exposure	5.0 ks

Late Time spectrum (T0 + 5502 to 40413 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17117 s

N_H (Galactic)	1.75 × 10²⁰ cm^-2
N_H (intrinsic)	3.2 (+0.3, -0.3) × 10²² cm^-2
z of absorber	0.347
Photon index	2.70 (+0.14, -0.14)
Flux (0.3-10 keV) (Observed)	8.0 (+0.4, -0.4) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.4 (+0.7, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.68 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	459.61 (484)
Spectrum exposure	5.0 ks