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Swift-XRT spectra of GRB 090529

Last updated after receiving ObsID 00353540012, version 16

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.625 (GCN 9457)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 203 to 46759 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+257 s

N_H (Galactic)	1.70 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+3.0, -2.8) × 10²¹ cm^-2
z of absorber	2.625
Photon index	2.60 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	3.98 (+0.21, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.69 (+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)	3.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	322.76 (329)
Spectrum exposure	148 s

PC mode. Mean photon arrival: T0+3543 s

N_H (Galactic)	1.70 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.75 × 10²¹, -0) cm^-2
z of absorber	2.625
Photon index	2.12 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	2.68 (+0.29, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.83 (+0.27, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.04 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.22 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	151.42 (195)
Spectrum exposure	8.3 ks

Late Time spectrum (T0 + 5988 to 46759 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15634 s

N_H (Galactic)	1.70 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.65 × 10²², -0) cm^-2
z of absorber	2.625
Photon index	1.48 (+0.67, -0.23)
Flux (0.3-10 keV) (Observed)	7.3 (+2.4, -2.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.5 (+2.2, -2.5) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	50.15 (54)
Spectrum exposure	5.8 ks