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Swift-XRT spectra of GRB 110411A

Last updated after receiving ObsID 00451165002, version 17

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 132 to 53705 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+147 s

N_H (Galactic)	9.16 × 10²⁰ cm^-2
N_H (intrinsic)	10 (+4, -3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	4.6 (+0.8, -0.7) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.5 (+3.0, -1.2) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.31 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	166.09 (234)
Spectrum exposure	38 s

PC mode. Mean photon arrival: T0+5690 s

N_H (Galactic)	9.16 × 10²⁰ cm^-2
N_H (intrinsic)	1.54 (+0.25, -0.23) × 10²² cm^-2
z of absorber	0
Photon index	2.82 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	3.07 (+0.27, -0.25) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.56 (+0.66, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.98 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	294.97 (326)
Spectrum exposure	14.0 ks

Late Time spectrum (T0 + 5914 to 53705 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15701 s

N_H (Galactic)	9.16 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.4, -0.4) × 10²² cm^-2
z of absorber	0
Photon index	3.5 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	8.5 (+1.4, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.08 (+1.44, -0.33) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.94 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	150.62 (152)
Spectrum exposure	11.7 ks