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Swift-XRT spectra of GRB 090726

Last updated after receiving ObsID 00358422003, version 7

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.71 (GCN 9712)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3570 to 84875 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+17776 s

N_H (Galactic)	4.38 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.9, -0.8) × 10²² cm^-2
z of absorber	2.71
Photon index	2.30 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	6.4 (+0.7, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.8 (+1.0, -0.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.88 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	211.31 (235)
Spectrum exposure	30.7 ks

Late Time spectrum (T0 + 4001 to 84875 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19922 s

N_H (Galactic)	4.38 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.9, -0.8) × 10²² cm^-2
z of absorber	2.71
Photon index	2.32 (+0.21, -0.19)
Flux (0.3-10 keV) (Observed)	5.6 (+0.6, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.8 (+0.9, -0.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	179.14 (223)
Spectrum exposure	30.3 ks