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Swift-XRT spectra of GRB 140408A

Last updated after receiving ObsID 00595141002, version 8

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 109 to 39245 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+243 s

N_H (Galactic)	1.77 × 10²¹ cm^-2
N_H (intrinsic)	1.4 (+6.2, -1.4) × 10²² cm^-2
z of absorber	0
Photon index	3.2 (+6.4, -2.2)
Flux (0.3-10 keV) (Observed)	3.9 (+6.5, -2.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+1.00 × 10¹¹, -2.5) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	2.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.03 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	79.04 (76)
Spectrum exposure	266 s

PC mode. Mean photon arrival: T0+10247 s

N_H (Galactic)	1.77 × 10²¹ cm^-2
N_H (intrinsic)	1.5 (+0.8, -0.6) × 10²² cm^-2
z of absorber	0
Photon index	2.5 (+0.6, -0.6)
Flux (0.3-10 keV) (Observed)	6.6 (+1.7, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.3 (+3.2, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.60 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	103.02 (103)
Spectrum exposure	10.7 ks

Late Time spectrum (T0 + 4201 to 39245 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16658 s

N_H (Galactic)	1.77 × 10²¹ cm^-2
N_H (intrinsic)	1.40 (+1.03, -0.74) × 10²² cm^-2
z of absorber	0
Photon index	2.3 (+0.8, -0.7)
Flux (0.3-10 keV) (Observed)	4.7 (+1.7, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.25 (+2.24, -0.39) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.31 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	70.10 (67)
Spectrum exposure	10.0 ks