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Swift-XRT spectra of GRB 080413B

Last updated after receiving ObsID 00309111008, version 24

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.1 (GCN 7601)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 134 to 106867 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+299 s

N_H (Galactic)	3.43 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	1.1
Photon index	1.90 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	2.02 (+0.13, -0.12) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.35 (+0.11, -0.11) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.40 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	382.73 (448)
Spectrum exposure	376 s

PC mode. Mean photon arrival: T0+20824 s

N_H (Galactic)	3.43 × 10²⁰ cm^-2
N_H (intrinsic)	3.3 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	1.1
Photon index	1.85 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	5.15 (+0.24, -0.22) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.06 (+0.22, -0.21) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.22 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	517.42 (515)
Spectrum exposure	42.8 ks

Late Time spectrum (T0 + 6038 to 106867 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+33016 s

N_H (Galactic)	3.43 × 10²⁰ cm^-2
N_H (intrinsic)	3.1 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	1.1
Photon index	1.89 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	2.53 (+0.15, -0.14) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.99 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.13 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	416.20 (438)
Spectrum exposure	40.6 ks