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Swift-XRT spectra of GRB 081128

Last updated after receiving ObsID 00335895009, version 38

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 203 to 86226 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+240 s

N_H (Galactic)	7.24 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	3.41 (+0.26, -0.23)
Flux (0.3-10 keV) (Observed)	2.43 (+0.16, -0.16) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.5 (+2.9, -1.6) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.14 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	287.05 (268)
Spectrum exposure	108 s

PC mode. Mean photon arrival: T0+12219 s

N_H (Galactic)	7.24 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5.42 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.60 (+0.21, -0.11)
Flux (0.3-10 keV) (Observed)	9.54 (+0.92, -1.23) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.047 (+0.105, -0.089) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.51 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	200.63 (245)
Spectrum exposure	25.5 ks

Late Time spectrum (T0 + 4228 to 86226 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+33989 s

N_H (Galactic)	7.24 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+1.9, -1.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	3.3 (+0.8, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.7 (+0.9, -0.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.51 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	110.36 (112)
Spectrum exposure	24.9 ks