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Swift-XRT spectra of GRB 140304A

Last updated after receiving ObsID 00590206008, version 5

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 5.28 (GCN 15924)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 81 to 23088 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+96 s

N_H (Galactic)	7.68 × 10²⁰ cm^-2
N_H (intrinsic)	2.9 (+6.7, -2.9) × 10²² cm^-2
z of absorber	5.28
Photon index	2.44 (+0.34, -0.29)
Flux (0.3-10 keV) (Observed)	2.2 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+0.7, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.82 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	118.28 (148)
Spectrum exposure	42 s

PC mode. Mean photon arrival: T0+2792 s

N_H (Galactic)	7.68 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+2.5, -2.3) × 10²² cm^-2
z of absorber	5.28
Photon index	1.887 (+0.103, -0.099)
Flux (0.3-10 keV) (Observed)	2.80 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.44 (+0.19, -0.18) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.56 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	418.58 (408)
Spectrum exposure	6.4 ks

Late Time spectrum (T0 + 5192 to 23088 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12899 s

N_H (Galactic)	7.68 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+7, -5) × 10²² cm^-2
z of absorber	5.28
Photon index	2.04 (+0.28, -0.27)
Flux (0.3-10 keV) (Observed)	2.01 (+0.37, -0.30) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.29 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	147.07 (154)
Spectrum exposure	5.0 ks