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Swift-XRT spectra of GRB 091029

Last updated after receiving ObsID 00374210024, version 10

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.752 (GCN 10100)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 85 to 37179 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+116 s

N_H (Galactic)	1.18 × 10²⁰ cm^-2
N_H (intrinsic)	2.9 (+3.7, -2.9) × 10²¹ cm^-2
z of absorber	2.752
Photon index	2.38 (+0.13, -0.12)
Flux (0.3-10 keV) (Observed)	3.67 (+0.24, -0.22) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.08 (+0.26, -0.24) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.98 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	329.79 (344)
Spectrum exposure	119 s

PC mode. Mean photon arrival: T0+12196 s

N_H (Galactic)	1.18 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+3, -3) × 10²¹ cm^-2
z of absorber	2.752
Photon index	2.03 (+0.09, -0.08)
Flux (0.3-10 keV) (Observed)	5.74 (+0.31, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.32 (+0.28, -0.28) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.13 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.45 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	386.07 (406)
Spectrum exposure	15.8 ks

Late Time spectrum (T0 + 5975 to 37179 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17398 s

N_H (Galactic)	1.18 × 10²⁰ cm^-2
N_H (intrinsic)	8 (+4, -4) × 10²¹ cm^-2
z of absorber	2.752
Photon index	2.007 (+0.103, -0.100)
Flux (0.3-10 keV) (Observed)	4.21 (+0.28, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.75 (+0.26, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	339.01 (358)
Spectrum exposure	13.5 ks