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Swift-XRT spectra of GRB 111020A

Last updated after receiving ObsID 00505926010, version 11

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 76 to 57649 s)

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+78 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+10386 s

N_H (Galactic)	1.43 × 10²¹ cm^-2
N_H (intrinsic)	1.8 (+0.9, -0.7) × 10²² cm^-2
z of absorber	0
Photon index	2.3 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	8.0 (+1.5, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.40 (+2.59, -0.77) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.10 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.54 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	156.00 (185)
Spectrum exposure	20.3 ks

Late Time spectrum (T0 + 4706 to 57649 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21303 s

N_H (Galactic)	1.43 × 10²¹ cm^-2
N_H (intrinsic)	1.18 (+1.04, -0.66) × 10²² cm^-2
z of absorber	0
Photon index	1.8 (+0.7, -0.6)
Flux (0.3-10 keV) (Observed)	5.0 (+1.5, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.7 (+4.2, -1.9) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.77 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.98 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	82.20 (103)
Spectrum exposure	18.9 ks