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Swift-XRT spectra of GRB 080707

Last updated after receiving ObsID 00316204005, version 23.

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

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

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WT and PC mode spectra of GRB 080707

WT mode. Mean photon arrival: T0+82 s

N_H (Galactic)	7.0 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+4.7, -1.1) × 10²¹ cm^-2
z of absorber	1.23
Photon index	2.28 (+0.65, -0.42)
Flux (0.3-10 keV) (Observed)	1.51 (+0.49, -0.39) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.09 (+0.59, -0.65) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.6 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	51.19 (70)
Exposure time	17 s

PC mode. Mean photon arrival: T0+16956 s

N_H (Galactic)	7.0 × 10²⁰ cm^-2
N_H (intrinsic)	3.6 (+2.4, -2.1) × 10²¹ cm^-2
z of absorber	1.23
Photon index	2.07 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	1.12 (+0.14, -0.12) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.55 (+0.15, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	199.51 (241)
Exposure time	17.9 ks

Late Time spectrum (T0 + 5225 to 52486 s)

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PC mode spectrum of GRB 080707

PC mode. Mean photon arrival: T0+21540 s

N_H (Galactic)	7.0 × 10²⁰ cm^-2
N_H (intrinsic)	4.2 (+2.9, -2.4) × 10²¹ cm^-2
z of absorber	1.23
Photon index	2.07 (+0.22, -0.21)
Flux (0.3-10 keV) (Observed)	9.0 (+1.3, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.256 (+0.068, -0.185) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.6 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.0 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	179.53 (207)
Exposure time	17.4 ks