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Swift-XRT spectra of GRB 140916A

Last updated after receiving ObsID 00612804005, version 9

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 157 to 36487 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+224 s

N_H (Galactic)	1.67 × 10²⁰ cm^-2
N_H (intrinsic)	1.82 (+0.26, -0.25) × 10²¹ cm^-2
z of absorber	0
Photon index	2.78 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	3.70 (+0.16, -0.16) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.6 (+0.7, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.47 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	426.73 (426)
Spectrum exposure	218 s

PC mode. Mean photon arrival: T0+17093 s

N_H (Galactic)	1.67 × 10²⁰ cm^-2
N_H (intrinsic)	1.35 (+0.24, -0.23) × 10²¹ cm^-2
z of absorber	0
Photon index	2.04 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	8.6 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.15 (+0.05, -0.05) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.32 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	461.66 (479)
Spectrum exposure	15.6 ks

Late Time spectrum (T0 + 5301 to 36487 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20632 s

N_H (Galactic)	1.67 × 10²⁰ cm^-2
N_H (intrinsic)	1.85 (+0.31, -0.29) × 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	7.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.04 (+0.05, -0.04) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	451.13 (463)
Spectrum exposure	14.1 ks