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Swift-XRT spectra of GRB 140108A

Last updated after receiving ObsID 00583338005, version 6

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 74 to 196014 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+220 s

N_H (Galactic)	8.49 × 10²¹ cm^-2
N_H (intrinsic)	2.8 (+0.9, -0.9) × 10²¹ cm^-2
z of absorber	0
Photon index	1.50 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	7.96 (+0.26, -0.25) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.12 (+0.04, -0.03) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	6.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	724.70 (772)
Spectrum exposure	724 s

PC mode. Mean photon arrival: T0+29233 s

N_H (Galactic)	8.49 × 10²¹ cm^-2
N_H (intrinsic)	9.8 (+2.3, -2.1) × 10²¹ cm^-2
z of absorber	0
Photon index	2.01 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	8.3 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.79 (+0.27, -0.20) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.25 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	451.75 (531)
Spectrum exposure	20.4 ks

Late Time spectrum (T0 + 10504 to 196014 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+36270 s

N_H (Galactic)	8.49 × 10²¹ cm^-2
N_H (intrinsic)	1.09 (+0.27, -0.25) × 10²² cm^-2
z of absorber	0
Photon index	2.10 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	5.9 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.39 (+0.27, -0.19) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.34 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	392.84 (493)
Spectrum exposure	19.8 ks