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Swift-XRT spectra of GRB 090814A

Last updated after receiving ObsID 00359951006, version 12

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.696 (GCN 9797)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 165 to 47613 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+244 s

N_H (Galactic)	5.88 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0.696
Photon index	2.54 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	3.63 (+0.15, -0.15) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.46 (+0.32, -0.28) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.89 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	484.56 (464)
Spectrum exposure	258 s

PC mode. Mean photon arrival: T0+3083 s

N_H (Galactic)	5.88 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+3.26 × 10²⁰, -0) cm^-2
z of absorber	0.696
Photon index	1.71 (+0.12, -0.10)
Flux (0.3-10 keV) (Observed)	3.6 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.9 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.18 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	221.28 (272)
Spectrum exposure	10.1 ks

Late Time spectrum (T0 + 5685 to 47613 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15724 s

N_H (Galactic)	5.88 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+5.4, -2.4) × 10²¹ cm^-2
z of absorber	0.696
Photon index	2.2 (+0.8, -0.7)
Flux (0.3-10 keV) (Observed)	3.4 (+1.9, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+2.4, -1.1) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.31 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.50 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	52.99 (53)
Spectrum exposure	8.0 ks