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Swift-XRT spectra of GRB 080707

Last updated after receiving ObsID 00316204005, version 24

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.23 (GCN 7949)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 74 to 52486 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+82 s

N_H (Galactic)	9.32 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+6.3, -1.6) × 10²¹ cm^-2
z of absorber	1.23
Photon index	2.4 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	1.5 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.2 (+1.0, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	54.63 (69)
Spectrum exposure	17 s

PC mode. Mean photon arrival: T0+17890 s

N_H (Galactic)	9.32 × 10²⁰ cm^-2
N_H (intrinsic)	4.1 (+3.4, -3.0) × 10²¹ cm^-2
z of absorber	1.23
Photon index	1.92 (+0.18, -0.18)
Flux (0.3-10 keV) (Observed)	1.26 (+0.16, -0.14) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.62 (+0.15, -0.14) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	187.89 (250)
Spectrum exposure	17.9 ks

Late Time spectrum (T0 + 5225 to 52486 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22276 s

N_H (Galactic)	9.32 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+4, -3) × 10²¹ cm^-2
z of absorber	1.23
Photon index	1.92 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	1.03 (+0.15, -0.12) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.33 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.71 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	173.25 (221)
Spectrum exposure	17.4 ks