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Swift-XRT spectra of GRB 080409

Last updated after receiving ObsID 00308812002, version 11.

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Time-averaged spectrum (T0 + 87 to 46283 s)

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PC mode spectrum of GRB 080409

PC mode. Mean photon arrival: T0+6842 s

N_H (Galactic)	2.3 × 10²¹ cm^-2
N_H (intrinsic)	3.0 (+2.0, -1.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.07 (+0.39, -0.37)
Flux (0.3-10 keV) (Observed)	7.1 (+1.4, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.33 (+0.51, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.5 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	125.88 (173)
Exposure time	19.7 ks

Late Time spectrum (T0 + 4643 to 46283 s)

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PC mode spectrum of GRB 080409

PC mode. Mean photon arrival: T0+15168 s

N_H (Galactic)	2.3 × 10²¹ cm^-2
N_H (intrinsic)	3.4 (+3.2, -2.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.16 (+0.56, -0.58)
Flux (0.3-10 keV) (Observed)	4.49 (+1.48, -0.97) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.0 (+6.3, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.8 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	60.97 (88)
Exposure time	18.8 ks