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Swift-XRT spectra of GRB 070809

Last updated after receiving ObsID 00287344002, version 9

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 80 to 24586 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+7491 s

N_H (Galactic)	8.59 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+3.36 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.38 (+0.14, -0.12)
Flux (0.3-10 keV) (Observed)	1.77 (+0.18, -0.21) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.89 (+0.20, -0.22) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	183.39 (220)
Spectrum exposure	11.1 ks

Late Time spectrum (T0 + 5322 to 24586 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11919 s

N_H (Galactic)	8.59 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+4.96 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.20 (+0.18, -0.16)
Flux (0.3-10 keV) (Observed)	1.44 (+0.24, -0.23) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.52 (+0.19, -0.27) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.42 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	146.96 (157)
Spectrum exposure	9.2 ks