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Swift-XRT spectra of GRB 050922C

Last updated after receiving ObsID 00156467005, version 21

Data were analysed using HEASOFT version 6.35.2

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The spectral fits assume a redshift: 2.198 (GCN 4029)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 115 to 69769 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+246 s

N_H (Galactic)	7.58 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.09 × 10²¹, -0) cm^-2
z of absorber	2.198
Photon index	2.04 (+0.07, -0.05)
Flux (0.3-10 keV) (Observed)	3.11 (+0.11, -0.13) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.72 (+0.12, -0.12) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.13 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	441.30 (460)
Spectrum exposure	320 s

PC mode. Mean photon arrival: T0+12251 s

N_H (Galactic)	7.58 × 10²⁰ cm^-2
N_H (intrinsic)	6 (+32, -6) × 10²⁰ cm^-2
z of absorber	2.198
Photon index	2.141 (+0.110, -0.085)
Flux (0.3-10 keV) (Observed)	2.92 (+0.18, -0.18) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.61 (+0.22, -0.17) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.04 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.75 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	285.62 (352)
Spectrum exposure	23.1 ks

Late Time spectrum (T0 + 4000 to 69769 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16726 s

N_H (Galactic)	7.58 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+3.9, -1.1) × 10²¹ cm^-2
z of absorber	2.198
Photon index	2.20 (+0.13, -0.11)
Flux (0.3-10 keV) (Observed)	1.77 (+0.13, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.23 (+0.17, -0.14) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.97 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	273.03 (300)
Spectrum exposure	22.8 ks