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Swift-XRT spectra of GRB 070529

Last updated after receiving ObsID 00280706007, version 16

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.5 (GCN 6470)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 137 to 126687 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+142 s

N_H (Galactic)	3.03 × 10²¹ cm^-2
N_H (intrinsic)	7 (+9, -6) × 10²² cm^-2
z of absorber	2.5
Photon index	2.9 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	2.2 (+0.7, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.8 (+13.3, -3.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.57 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	54.42 (74)
Spectrum exposure	11 s

PC mode. Mean photon arrival: T0+7320 s

N_H (Galactic)	3.03 × 10²¹ cm^-2
N_H (intrinsic)	2.1 (+2.5, -1.9) × 10²² cm^-2
z of absorber	2.5
Photon index	1.84 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	2.38 (+0.25, -0.23) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.39 (+0.33, -0.28) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	267.49 (338)
Spectrum exposure	21.7 ks

Late Time spectrum (T0 + 4438 to 126687 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13995 s

N_H (Galactic)	3.03 × 10²¹ cm^-2
N_H (intrinsic)	3 (+4, -3) × 10²² cm^-2
z of absorber	2.5
Photon index	1.91 (+0.26, -0.24)
Flux (0.3-10 keV) (Observed)	8.3 (+1.3, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.24 (+0.22, -0.15) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.11 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	165.37 (225)
Spectrum exposure	20.6 ks