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Swift-XRT spectra of GRB 081203A

Last updated after receiving ObsID 00336489003, version 34

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.1 (GCN 8601)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 86 to 121062 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+245 s

N_H (Galactic)	1.81 × 10²⁰ cm^-2
N_H (intrinsic)	6.5 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	2.1
Photon index	1.84 (+0.04, -0.03)
Flux (0.3-10 keV) (Observed)	8.74 (+0.21, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.86 (+0.19, -0.18) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.94 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	707.29 (720)
Spectrum exposure	558 s

PC mode. Mean photon arrival: T0+10130 s

N_H (Galactic)	1.81 × 10²⁰ cm^-2
N_H (intrinsic)	8.5 (+3.2, -3.0) × 10²¹ cm^-2
z of absorber	2.1
Photon index	1.949 (+0.102, -0.100)
Flux (0.3-10 keV) (Observed)	5.6 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.6 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.35 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.94 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	345.95 (376)
Spectrum exposure	16.1 ks

Late Time spectrum (T0 + 4170 to 121062 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11259 s

N_H (Galactic)	1.81 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+3, -3) × 10²¹ cm^-2
z of absorber	2.1
Photon index	1.98 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	4.7 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.30 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.91 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	333.62 (355)
Spectrum exposure	16.0 ks