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Swift-XRT spectra of GRB 060908

Last updated after receiving ObsID 00228581013, version 18

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.8836 (Fynbo et al., 2009)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 79 to 39345 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+114 s

N_H (Galactic)	2.55 × 10²⁰ cm^-2
N_H (intrinsic)	4 (+4, -4) × 10²¹ cm^-2
z of absorber	1.8836
Photon index	2.29 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	2.07 (+0.23, -0.21) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.52 (+0.29, -0.25) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	176.11 (209)
Spectrum exposure	74 s

PC mode. Mean photon arrival: T0+3450 s

N_H (Galactic)	2.55 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+5, -5) × 10²¹ cm^-2
z of absorber	1.8836
Photon index	2.07 (+0.18, -0.18)
Flux (0.3-10 keV) (Observed)	8.3 (+1.0, -0.9) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.045 (+0.106, -0.096) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.17 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	162.46 (237)
Spectrum exposure	6.8 ks

Late Time spectrum (T0 + 4609 to 39345 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10536 s

N_H (Galactic)	2.55 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+1.4, -1.1) × 10²² cm^-2
z of absorber	1.8836
Photon index	2.4 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	1.12 (+0.26, -0.20) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.8 (+0.6, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.57 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	64.30 (96)
Spectrum exposure	5.7 ks