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Swift-XRT spectra of GRB 111008A

Last updated after receiving ObsID 00505054015, version 11

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 4.9898 (GCN 12431)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 97 to 65010 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+145 s

N_H (Galactic)	9.92 × 10¹⁹ cm^-2
N_H (intrinsic)	3.1 (+0.9, -0.9) × 10²² cm^-2
z of absorber	4.9898
Photon index	2.49 (+0.09, -0.08)
Flux (0.3-10 keV) (Observed)	4.42 (+0.18, -0.17) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.51 (+0.26, -0.24) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.62 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	396.40 (426)
Spectrum exposure	206 s

PC mode. Mean photon arrival: T0+18414 s

N_H (Galactic)	9.92 × 10¹⁹ cm^-2
N_H (intrinsic)	2.6 (+1.1, -1.0) × 10²² cm^-2
z of absorber	4.9898
Photon index	1.87 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	8.7 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.5 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	478.32 (472)
Spectrum exposure	17.1 ks

Late Time spectrum (T0 + 5470 to 65010 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25331 s

N_H (Galactic)	9.92 × 10¹⁹ cm^-2
N_H (intrinsic)	2.7 (+1.3, -1.3) × 10²² cm^-2
z of absorber	4.9898
Photon index	1.84 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	6.0 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.6 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.50 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	436.68 (425)
Spectrum exposure	16.0 ks