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Swift-XRT spectra of GRB 131018A

Last updated after receiving ObsID 00574935002, version 6

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 119 to 35990 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+162 s

N_H (Galactic)	3.15 × 10²¹ cm^-2
N_H (intrinsic)	2.1 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.82 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	8.6 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.73 (+0.34, -0.27) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.74 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	409.99 (455)
Spectrum exposure	150 s

PC mode. Mean photon arrival: T0+14755 s

N_H (Galactic)	3.15 × 10²¹ cm^-2
N_H (intrinsic)	1.2 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.05 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	3.87 (+0.32, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.3 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	372.79 (375)
Spectrum exposure	15.6 ks

Late Time spectrum (T0 + 5360 to 35990 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19096 s

N_H (Galactic)	3.15 × 10²¹ cm^-2
N_H (intrinsic)	1.9 (+1.0, -0.9) × 10²¹ cm^-2
z of absorber	0
Photon index	2.13 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	2.99 (+0.29, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.7, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.80 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	322.41 (325)
Spectrum exposure	13.7 ks