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Swift-XRT spectra of GRB 140818B

Last updated after receiving ObsID 00609885003, version 9

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 117 to 75157 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+15742 s

N_H (Galactic)	3.53 × 10²¹ cm^-2
N_H (intrinsic)	2.5 (+2.0, -1.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.28 (+0.32, -0.30)
Flux (0.3-10 keV) (Observed)	9.2 (+1.4, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.9 (+0.7, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.66 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.53 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	176.45 (198)
Spectrum exposure	17.6 ks

Late Time spectrum (T0 + 4322 to 75157 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+28335 s

N_H (Galactic)	3.53 × 10²¹ cm^-2
N_H (intrinsic)	3.1 (+3.1, -2.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	5.9 (+1.3, -1.0) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.3 (+0.6, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.62 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	122.67 (131)
Spectrum exposure	16.6 ks