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Swift-XRT spectra of GRB 081126

Last updated after receiving ObsID 00335647006, version 39.

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Time-averaged spectrum (T0 + 72 to 34291 s)

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WT and PC mode spectra of GRB 081126

WT mode. Mean photon arrival: T0+111 s

N_H (Galactic)	4.1 × 10²¹ cm^-2
N_H (intrinsic)	0 (+6.3 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.83 (+0.19, -0.11)
Flux (0.3-10 keV) (Observed)	2.73 (+0.26, -0.29) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.17 (+0.38, -0.56) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.9 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	242.75 (303)
Exposure time	91 s

PC mode. Mean photon arrival: T0+9995 s

N_H (Galactic)	4.1 × 10²¹ cm^-2
N_H (intrinsic)	8.1 (+6.8, -6.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.05 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	7.08 (+0.49, -0.45) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.290 (+0.117, -0.071) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.5 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.2 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	392.66 (454)
Exposure time	12.4 ks

Late Time spectrum (T0 + 4545 to 34291 s)

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PC mode spectrum of GRB 081126

PC mode. Mean photon arrival: T0+11507 s

N_H (Galactic)	4.1 × 10²¹ cm^-2
N_H (intrinsic)	1.11 (+0.77, -0.71) × 10²¹ cm^-2
z of absorber	0
Photon index	2.12 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	5.66 (+0.42, -0.39) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.103 (+0.074, -0.087) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.5 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	373.58 (432)
Exposure time	12.2 ks