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Swift-XRT spectra of GRB 071020

Last updated after receiving ObsID 00294835012, version 17

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.146 (GCN 6952)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 67 to 23649 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+3613 s

N_H (Galactic)	6.25 × 10²⁰ cm^-2
N_H (intrinsic)	4.1 (+2.4, -2.3) × 10²¹ cm^-2
z of absorber	2.146
Photon index	1.74 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	2.26 (+0.10, -0.09) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.58 (+0.08, -0.08) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.77 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.31 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	660.35 (659)
Spectrum exposure	9.6 ks

PC mode. Mean photon arrival: T0+764 s

N_H (Galactic)	6.25 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+4.9, -1.8) × 10²¹ cm^-2
z of absorber	2.146
Photon index	1.49 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	1.74 (+0.16, -0.15) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.88 (+0.15, -0.13) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.46 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.83 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	320.28 (352)
Spectrum exposure	1.3 ks

Late Time spectrum (T0 + 9223372036854775807 to 9223372036854775807 s)

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