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Swift-XRT spectra of GRB 080913

Last updated after receiving ObsID 00324561014, version 12

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 6.7 (GCN 8225)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 108 to 88241 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+3411 s

N_H (Galactic)	3.66 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+10, -3) × 10²² cm^-2
z of absorber	6.7
Photon index	1.66 (+0.23, -0.20)
Flux (0.3-10 keV) (Observed)	5.8 (+1.0, -0.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.3 (+0.9, -0.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.35 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	167.95 (191)
Spectrum exposure	28.2 ks

Late Time spectrum (T0 + 5160 to 88241 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19629 s

N_H (Galactic)	3.66 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+3.8, -1.1) × 10²³ cm^-2
z of absorber	6.7
Photon index	2.55 (+1.13, -0.72)
Flux (0.3-10 keV) (Observed)	4.9 (+2.6, -1.7) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.4 (+12.2, -2.4) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	2.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.94 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	29.57 (34)
Spectrum exposure	26.4 ks