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Swift-XRT spectra of GRB 131229A

Last updated after receiving ObsID 00582374002, version 8

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 99 to 40184 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+194 s

N_H (Galactic)	3.18 × 10²¹ cm^-2
N_H (intrinsic)	1.19 (+0.11, -0.10) × 10²² cm^-2
z of absorber	0
Photon index	1.84 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	1.72 (+0.06, -0.05) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.11 (+0.17, -0.15) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.70 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.03 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	692.81 (723)
Spectrum exposure	235 s

PC mode. Mean photon arrival: T0+13674 s

N_H (Galactic)	3.18 × 10²¹ cm^-2
N_H (intrinsic)	1.12 (+0.23, -0.21) × 10²² cm^-2
z of absorber	0
Photon index	2.17 (+0.19, -0.19)
Flux (0.3-10 keV) (Observed)	6.9 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.62 (+0.40, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.15 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	363.87 (421)
Spectrum exposure	11.7 ks

Late Time spectrum (T0 + 4023 to 40184 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13674 s

N_H (Galactic)	3.18 × 10²¹ cm^-2
N_H (intrinsic)	1.12 (+0.23, -0.21) × 10²² cm^-2
z of absorber	0
Photon index	2.17 (+0.19, -0.19)
Flux (0.3-10 keV) (Observed)	6.9 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.62 (+0.40, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.15 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	363.87 (421)
Spectrum exposure	11.7 ks