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Swift-XRT spectra of GRB 071118

Last updated after receiving ObsID 00296856001, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 129 to 18878 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+171 s

N_H (Galactic)	1.94 × 10²¹ cm^-2
N_H (intrinsic)	2.2 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.58 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	6.2 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.9 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.85 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	394.47 (457)
Spectrum exposure	108 s

PC mode. Mean photon arrival: T0+5353 s

N_H (Galactic)	1.94 × 10²¹ cm^-2
N_H (intrinsic)	1.7 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.52 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	2.59 (+0.16, -0.15) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.21 (+0.15, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.33 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	434.74 (547)
Spectrum exposure	8.8 ks

Late Time spectrum (T0 + 5344 to 18878 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10146 s

N_H (Galactic)	1.94 × 10²¹ cm^-2
N_H (intrinsic)	2.60 (+1.08, -0.96) × 10²¹ cm^-2
z of absorber	0
Photon index	1.42 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	1.23 (+0.11, -0.10) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.515 (+0.103, -0.096) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	349.11 (423)
Spectrum exposure	7.0 ks