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Swift-XRT spectra of GRB 121011A

Last updated after receiving ObsID 00535764001, version 8.

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Time-averaged spectrum (T0 + 103 to 45015 s)

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WT and PC mode spectra of GRB 121011A

WT mode. Mean photon arrival: T0+119 s

N_H (Galactic)	2.3 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+7.9, -2.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.50 (+0.30, -0.21)
Flux (0.3-10 keV) (Observed)	5.81 (+1.04, -0.95) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.2 (+0.8, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	159.93 (226)
Exposure time	36 s

PC mode. Mean photon arrival: T0+5626 s

N_H (Galactic)	2.3 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.73 (+0.31, -0.11)
Flux (0.3-10 keV) (Observed)	1.06 (+0.13, -0.17) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.13 (+0.12, -0.16) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	166.71 (188)
Exposure time	16.0 ks

Late Time spectrum (T0 + 4001 to 45015 s)

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PC mode spectrum of GRB 121011A

PC mode. Mean photon arrival: T0+9474 s

N_H (Galactic)	2.3 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+9, -5) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.4 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	3.4 (+0.8, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.68 (+1.09, -0.99) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.0 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4 × 10^-11 erg cm^-2 ct^-1
C-stat (dof)	91.98 (111)
Exposure time	15.3 ks