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Swift-XRT spectra of GRB 060912A

Last updated after receiving ObsID 00229185009, version 12

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.94 (GCN 5617)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 114 to 70563 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+123 s

N_H (Galactic)	4.70 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+8.2, -1.3) × 10²¹ cm^-2
z of absorber	0.94
Photon index	1.7 (+0.9, -0.6)
Flux (0.3-10 keV) (Observed)	1.1 (+0.7, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.2 (+0.6, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.25 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.65 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	49.71 (41)
Spectrum exposure	19 s

PC mode. Mean photon arrival: T0+3917 s

N_H (Galactic)	4.70 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+1.7, -1.6) × 10²¹ cm^-2
z of absorber	0.94
Photon index	1.77 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	4.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.0 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.70 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.28 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	262.92 (267)
Spectrum exposure	9.0 ks

Late Time spectrum (T0 + 5115 to 70563 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+9914 s

N_H (Galactic)	4.70 × 10²⁰ cm^-2
N_H (intrinsic)	6.3 (+29.2, -6.3) × 10²⁰ cm^-2
z of absorber	0.94
Photon index	1.64 (+0.27, -0.21)
Flux (0.3-10 keV) (Observed)	1.34 (+0.26, -0.22) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.46 (+0.24, -0.21) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.97 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.33 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	135.32 (137)
Spectrum exposure	7.3 ks