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Swift-XRT spectra of GRB 130131B

Last updated after receiving ObsID 00547420001, version 4

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 117 to 12130 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+3138 s

N_H (Galactic)	3.14 × 10²⁰ cm^-2
N_H (intrinsic)	4.9 (+1.9, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.07 (+0.30, -0.28)
Flux (0.3-10 keV) (Observed)	5.0 (+0.8, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.46 (+2.01, -0.84) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.94 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.73 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	164.85 (194)
Spectrum exposure	5.1 ks

Late Time spectrum (T0 + 4001 to 12130 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+6593 s

N_H (Galactic)	3.14 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+3.1, -2.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.5 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.49 (+1.12, -0.37) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.40 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	76.92 (112)
Spectrum exposure	4.5 ks