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Swift-XRT spectra of GRB 050315

Last updated after receiving ObsID 00111063006, version 35

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.949 (GCN 3103)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 86 to 57387 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+6450 s

N_H (Galactic)	4.34 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+1.7, -1.1) × 10²² cm^-2
z of absorber	1.949
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	9.9 (+2.2, -1.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.45 (+0.34, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.54 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	127.30 (169)
Spectrum exposure	748 s

PC mode. Mean photon arrival: T0+16552 s

N_H (Galactic)	4.34 × 10²⁰ cm^-2
N_H (intrinsic)	9.5 (+2.4, -2.3) × 10²¹ cm^-2
z of absorber	1.949
Photon index	1.98 (+0.08, -0.07)
Flux (0.3-10 keV) (Observed)	9.8 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.22 (+0.05, -0.05) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	422.20 (486)
Spectrum exposure	14.2 ks

Late Time spectrum (T0 + 5057 to 57387 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23031 s

N_H (Galactic)	4.34 × 10²⁰ cm^-2
N_H (intrinsic)	10.0 (+3.1, -2.9) × 10²¹ cm^-2
z of absorber	1.949
Photon index	1.86 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	6.0 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.3 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.33 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	394.01 (455)
Spectrum exposure	13.5 ks