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Swift-XRT spectra of GRB 170804A

Last updated after receiving ObsID 00766194003, version 16

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 128 to 34743 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+162 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.32 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.37 (+0.18, -0.12)
Flux (0.3-10 keV) (Observed)	2.20 (+0.17, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.37 (+0.19, -0.26) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	203.84 (224)
Spectrum exposure	95 s

PC mode. Mean photon arrival: T0+4148 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.70 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.93 (+0.17, -0.13)
Flux (0.3-10 keV) (Observed)	1.43 (+0.14, -0.16) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.49 (+0.15, -0.14) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.26 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	145.18 (191)
Spectrum exposure	11.2 ks

Late Time spectrum (T0 + 5607 to 34743 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17370 s

N_H (Galactic)	1.79 × 10²⁰ cm^-2
N_H (intrinsic)	8.9 (+15.0, -8.9) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.5 (+0.7, -0.6)
Flux (0.3-10 keV) (Observed)	2.6 (+0.9, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.72 (+1.15, -0.88) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.93 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	62.49 (57)
Spectrum exposure	10.0 ks