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Swift-XRT spectra of GRB 060427

Last updated after receiving ObsID 00207281001, version 16

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 138 to 29095 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+168 s

N_H (Galactic)	4.54 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.3, -0.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.83 (+0.18, -0.16)
Flux (0.3-10 keV) (Observed)	4.11 (+0.27, -0.25) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.2 (+0.9, -0.9) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	313.24 (315)
Spectrum exposure	88 s

PC mode. Mean photon arrival: T0+3307 s

N_H (Galactic)	4.54 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.15 (+0.21, -0.19)
Flux (0.3-10 keV) (Observed)	3.2 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.32 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	209.95 (247)
Spectrum exposure	10.3 ks

Late Time spectrum (T0 + 4591 to 29095 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10891 s

N_H (Galactic)	4.54 × 10²⁰ cm^-2
N_H (intrinsic)	5.2 (+10.9, -5.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.9 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	7.2 (+1.8, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.6 (+1.6, -1.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	87.28 (114)
Spectrum exposure	9.4 ks