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Swift-XRT spectra of GRB 050803

Last updated after receiving ObsID 00148833012, version 19

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 4.3 (Perley et al. 2016)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 159 to 94049 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+186 s

N_H (Galactic)	6.40 × 10²⁰ cm^-2
N_H (intrinsic)	8.3 (+3.2, -2.7) × 10²² cm^-2
z of absorber	4.3
Photon index	1.78 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	5.1 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.4 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.80 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.79 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	295.50 (399)
Spectrum exposure	84 s

PC mode. Mean photon arrival: T0+16248 s

N_H (Galactic)	6.40 × 10²⁰ cm^-2
N_H (intrinsic)	7.7 (+1.6, -1.5) × 10²² cm^-2
z of absorber	4.3
Photon index	1.88 (+0.08, -0.07)
Flux (0.3-10 keV) (Observed)	6.15 (+0.31, -0.30) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.0 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.70 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	488.30 (499)
Spectrum exposure	27.9 ks

Late Time spectrum (T0 + 4756 to 94049 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21542 s

N_H (Galactic)	6.40 × 10²⁰ cm^-2
N_H (intrinsic)	8.2 (+1.9, -1.8) × 10²² cm^-2
z of absorber	4.3
Photon index	1.96 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	4.34 (+0.26, -0.24) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.85 (+0.30, -0.28) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	404.22 (456)
Spectrum exposure	26.6 ks