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Swift-XRT spectra of GRB 080905B

Last updated after receiving ObsID 00323898008, version 21.

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

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Time-averaged spectrum (T0 + 109 to 74245 s)

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WT and PC mode spectra of GRB 080905B

WT mode. Mean photon arrival: T0+138 s

N_H (Galactic)	3 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+0.7, -0.6) × 10²² cm^-2
z of absorber	2.374
Photon index	1.52 (+0.13, -0.13)
Flux (0.3-10 keV) (Observed)	5.5 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.4 (+0.6, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	321.00 (406)
Exposure time	80 s

PC mode. Mean photon arrival: T0+18032 s

N_H (Galactic)	3 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+0.5, -0.5) × 10²² cm^-2
z of absorber	2.374
Photon index	1.862 (+0.103, -0.097)
Flux (0.3-10 keV) (Observed)	7.5 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.9 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	422.72 (466)
Exposure time	18.1 ks

Late Time spectrum (T0 + 5188 to 74245 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of GRB 080905B

PC mode. Mean photon arrival: T0+26431 s

N_H (Galactic)	3 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+0.7, -0.6) × 10²² cm^-2
z of absorber	2.374
Photon index	2.03 (+0.13, -0.12)
Flux (0.3-10 keV) (Observed)	4.06 (+0.31, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	412.37 (381)
Exposure time	17.5 ks