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Swift-XRT spectra of GRB 080905B

Last updated after receiving ObsID 00323898008, version 22

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.374 (GCN 8191)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 109 to 74260 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+138 s

N_H (Galactic)	4.05 × 10²⁰ cm^-2
N_H (intrinsic)	2.43 (+1.14, -0.94) × 10²² cm^-2
z of absorber	2.374
Photon index	1.42 (+0.13, -0.13)
Flux (0.3-10 keV) (Observed)	5.7 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.5 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.73 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.33 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	339.07 (413)
Spectrum exposure	80 s

PC mode. Mean photon arrival: T0+16753 s

N_H (Galactic)	4.05 × 10²⁰ cm^-2
N_H (intrinsic)	3.4 (+0.8, -0.7) × 10²² cm^-2
z of absorber	2.374
Photon index	1.77 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	8.4 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.06 (+0.05, -0.05) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.13 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	417.51 (492)
Spectrum exposure	18.2 ks

Late Time spectrum (T0 + 5188 to 74260 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+26088 s

N_H (Galactic)	4.05 × 10²⁰ cm^-2
N_H (intrinsic)	3.8 (+1.0, -0.9) × 10²² cm^-2
z of absorber	2.374
Photon index	1.96 (+0.13, -0.12)
Flux (0.3-10 keV) (Observed)	4.2 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	353.28 (377)
Spectrum exposure	17.6 ks