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Swift-XRT spectra of GRB 131004A

Last updated after receiving ObsID 00573190003, version 10

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.717 (GCN 15307)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 79 to 62136 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+2543 s

N_H (Galactic)	1.28 × 10²¹ cm^-2
N_H (intrinsic)	7.0 (+3.1, -2.6) × 10²¹ cm^-2
z of absorber	0.717
Photon index	1.89 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	4.8 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.8 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.60 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	223.75 (320)
Spectrum exposure	13.4 ks

Late Time spectrum (T0 + 4269 to 62136 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11876 s

N_H (Galactic)	1.28 × 10²¹ cm^-2
N_H (intrinsic)	4 (+7, -4) × 10²¹ cm^-2
z of absorber	0.717
Photon index	1.7 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	5.7 (+1.6, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.1 (+1.5, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.30 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	75.68 (91)
Spectrum exposure	12.5 ks