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Swift-XRT spectra of GRB 120712A

Last updated after receiving ObsID 00526351008, version 20

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 4.1745 (GCN 13460)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 94 to 41476 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+127 s

N_H (Galactic)	4.12 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.71 × 10²², -0) cm^-2
z of absorber	4.1745
Photon index	1.608 (+0.203, -0.100)
Flux (0.3-10 keV) (Observed)	2.43 (+0.24, -0.34) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.58 (+0.26, -0.32) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	166.81 (240)
Spectrum exposure	71 s

PC mode. Mean photon arrival: T0+5245 s

N_H (Galactic)	4.12 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+1.2, -1.2) × 10²² cm^-2
z of absorber	4.1745
Photon index	2.11 (+0.12, -0.12)
Flux (0.3-10 keV) (Observed)	3.59 (+0.27, -0.25) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.31 (+0.28, -0.26) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.70 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	275.14 (322)
Spectrum exposure	17.4 ks

Late Time spectrum (T0 + 4612 to 41476 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11041 s

N_H (Galactic)	4.12 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+2.0, -1.8) × 10²² cm^-2
z of absorber	4.1745
Photon index	2.23 (+0.19, -0.19)
Flux (0.3-10 keV) (Observed)	1.12 (+0.13, -0.11) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.43 (+0.15, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	173.53 (215)
Spectrum exposure	16.2 ks