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Swift-XRT spectra of GRB 090519

Last updated after receiving ObsID 00352648000, version 19

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 3.85 (GCN 9409)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 121 to 94408 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+141 s

N_H (Galactic)	3.34 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+2.1, -1.1) × 10²³ cm^-2
z of absorber	3.85
Photon index	1.4 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	2.9 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.5 (+0.7, -0.6) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.91 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	110.75 (172)
Spectrum exposure	41 s

PC mode. Mean photon arrival: T0+2787 s

N_H (Galactic)	3.34 × 10²⁰ cm^-2
N_H (intrinsic)	2.7 (+4.0, -2.7) × 10²² cm^-2
z of absorber	3.85
Photon index	1.47 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	4.4 (+0.9, -0.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.8 (+0.8, -0.6) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.62 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	151.84 (189)
Spectrum exposure	41.9 ks

Late Time spectrum (T0 + 5592 to 94408 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15860 s

N_H (Galactic)	3.34 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+9.45 × 10²², -0) cm^-2
z of absorber	3.85
Photon index	1.5 (+0.8, -0.4)
Flux (0.3-10 keV) (Observed)	4.7 (+2.2, -2.1) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+2.2, -1.9) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	4.22 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.41 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	32.79 (31)
Spectrum exposure	39.8 ks