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Swift-XRT spectra of GRB 070802

Last updated after receiving ObsID 00286809005, version 15.

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The spectral fits assume a redshift: 2.45 (GCN 6698)

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Time-averaged spectrum (T0 + 141 to 16922 s)

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WT and PC mode spectra of GRB 070802

WT mode. Mean photon arrival: T0+143 s

N_H (Galactic)	2.9 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (2.12 × 10⁴, -3.0) × 10¹⁸ cm^-2
z of absorber	2.45
Photon index	1.93 (+1.09, -0.73)
Flux (0.3-10 keV) (Observed)	2.2 (+2.6, -1.1) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.4 (1.00 × 10¹⁰, -1.2) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.7 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	9.37 (9)
Exposure time	4 s

PC mode. Mean photon arrival: T0+4096 s

N_H (Galactic)	2.9 × 10²⁰ cm^-2
N_H (intrinsic)	8.2 (+7.4, -6.9) × 10²¹ cm^-2
z of absorber	2.45
Photon index	1.99 (+0.24, -0.21)
Flux (0.3-10 keV) (Observed)	3.66 (+0.57, -0.48) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.50 (+0.62, -0.47) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.7 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.6 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	146.50 (181)
Exposure time	3.5 ks

Late Time spectrum (T0 + 4211 to 16922 s)

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PC mode spectrum of GRB 070802

PC mode. Mean photon arrival: T0+8272 s

N_H (Galactic)	2.9 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+1.3, -1.5) × 10²² cm^-2
z of absorber	2.45
Photon index	2.17 (+0.28, -0.29)
Flux (0.3-10 keV) (Observed)	1.92 (+0.48, -0.35) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.73 (+2.00, -0.47) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.0 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	80.42 (107)
Exposure time	2.7 ks