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Swift-XRT spectra of GRB 131030A

Last updated after receiving ObsID 00576238021, version 7

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.293 (GCN 15407)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 82 to 52961 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+324 s

N_H (Galactic)	5.62 × 10²⁰ cm^-2
N_H (intrinsic)	3.1 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	1.293
Photon index	2.009 (+0.025, -0.025)
Flux (0.3-10 keV) (Observed)	1.386 (+0.022, -0.021) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.715 (+0.023, -0.022) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.25 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	815.50 (754)
Spectrum exposure	993 s

PC mode. Mean photon arrival: T0+22270 s

N_H (Galactic)	5.62 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+1.8, -1.6) × 10²¹ cm^-2
z of absorber	1.293
Photon index	1.96 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	1.02 (+0.07, -0.06) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.27 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.42 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	358.16 (389)
Spectrum exposure	6.9 ks

Late Time spectrum (T0 + 4271 to 52961 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22270 s

N_H (Galactic)	5.62 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+1.8, -1.6) × 10²¹ cm^-2
z of absorber	1.293
Photon index	1.96 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	1.02 (+0.07, -0.06) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.27 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.42 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	358.16 (389)
Spectrum exposure	6.9 ks