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Swift-XRT spectra of GRB 130907A

Last updated after receiving ObsID 00569992032, version 8

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.238 (GCN 15187)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 70 to 65790 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+878 s

N_H (Galactic)	1.03 × 10²⁰ cm^-2
N_H (intrinsic)	1.071 (+0.028, -0.028) × 10²² cm^-2
z of absorber	1.238
Photon index	1.5319 (+0.0101, -0.0100)
Flux (0.3-10 keV) (Observed)	6.90 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.96 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	1538.21 (943)
Spectrum exposure	1.7 ks

PC mode. Mean photon arrival: T0+25889 s

N_H (Galactic)	1.03 × 10²⁰ cm^-2
N_H (intrinsic)	1.10 (+0.10, -0.09) × 10²² cm^-2
z of absorber	1.238
Photon index	1.74 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	5.40 (+0.15, -0.15) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.62 (+0.14, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.98 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	693.64 (673)
Spectrum exposure	17.8 ks

Late Time spectrum (T0 + 7632 to 65790 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25889 s

N_H (Galactic)	1.03 × 10²⁰ cm^-2
N_H (intrinsic)	1.10 (+0.10, -0.09) × 10²² cm^-2
z of absorber	1.238
Photon index	1.74 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	5.40 (+0.15, -0.15) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.62 (+0.14, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.98 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	693.64 (673)
Spectrum exposure	17.8 ks