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Swift-XRT spectra of GRB 050128

Last updated after receiving ObsID 00103906000, version 83

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 236 to 99491 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+75660 s

N_H (Galactic)	6.73 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+3.90 × 10³, -5) × 10¹⁹ cm^-2
z of absorber	0
Photon index	1.40 (-1.40, -0.98)
Flux (0.3-10 keV) (Observed)	1.3 (+1.2, -1.1) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.4 (+6.4, -0.8) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.17 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.47 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	73.67 (85)
Spectrum exposure	1.1 ks

PC mode. Mean photon arrival: T0+13385 s

N_H (Galactic)	6.73 × 10²⁰ cm^-2
N_H (intrinsic)	3.1 (+2.2, -2.1) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.85 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	8.1 (+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)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.18 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	458.01 (508)
Spectrum exposure	21.6 ks

Late Time spectrum (T0 + 4469 to 99491 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19285 s

N_H (Galactic)	6.73 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+2.6, -2.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.90 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	4.32 (+0.25, -0.24) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.16 (+0.25, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.10 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	417.00 (438)
Spectrum exposure	21.0 ks