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Swift-XRT spectra of GRB 051227

Last updated after receiving ObsID 00174738005, version 33

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 101 to 137036 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+133 s

N_H (Galactic)	3.84 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+1.2, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	1.42 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	3.9 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.7 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	166.37 (280)
Spectrum exposure	78 s

PC mode. Mean photon arrival: T0+10731 s

N_H (Galactic)	3.84 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+8, -7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.86 (+0.26, -0.25)
Flux (0.3-10 keV) (Observed)	4.4 (+0.8, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.7, -0.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	150.42 (175)
Spectrum exposure	39.6 ks

Late Time spectrum (T0 + 4001 to 137036 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20263 s

N_H (Galactic)	3.84 × 10²⁰ cm^-2
N_H (intrinsic)	9.3 (+11.8, -9.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.1 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	1.5 (+0.4, -0.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.02 (+0.42, -0.20) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.24 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	77.90 (102)
Spectrum exposure	39.1 ks