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Swift-XRT spectra of GRB 051109A

Last updated after receiving ObsID 00163136017, version 40

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.346 (GCN 4221)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 127 to 26874 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+158 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.42 × 10²¹, -0) cm^-2
z of absorber	2.346
Photon index	2.19 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	2.93 (+0.23, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.17 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	245.69 (306)
Spectrum exposure	83 s

PC mode. Mean photon arrival: T0+11646 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	0 (+4.80 × 10²¹, -0) cm^-2
z of absorber	2.346
Photon index	1.96 (+0.08, -0.05)
Flux (0.3-10 keV) (Observed)	1.39 (+0.06, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.96 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.15 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	479.72 (497)
Spectrum exposure	10.1 ks

Late Time spectrum (T0 + 4000 to 26874 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11227 s

N_H (Galactic)	2.59 × 10²¹ cm^-2
N_H (intrinsic)	0 (+4.87 × 10²¹, -0) cm^-2
z of absorber	2.346
Photon index	1.95 (+0.08, -0.05)
Flux (0.3-10 keV) (Observed)	1.43 (+0.06, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.01 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.16 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	481.29 (512)
Spectrum exposure	9.7 ks