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Swift-XRT spectra of GRB 191004B

Last updated after receiving ObsID 00927839007, version 8

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 3.503 (GCN 25956)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 64 to 46265 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+114 s

N_H (Galactic)	1.93 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+7, -5) × 10²¹ cm^-2
z of absorber	3.503
Photon index	1.72 (+0.09, -0.08)
Flux (0.3-10 keV) (Observed)	5.01 (+0.31, -0.30) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.30 (+0.27, -0.26) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	407.16 (448)
Spectrum exposure	142 s

PC mode. Mean photon arrival: T0+12637 s

N_H (Galactic)	1.93 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+17.3, -1.6) × 10²¹ cm^-2
z of absorber	3.503
Photon index	1.56 (+0.21, -0.15)
Flux (0.3-10 keV) (Observed)	6.0 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.2 (+0.9, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.23 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	142.82 (203)
Spectrum exposure	5.0 ks

Late Time spectrum (T0 + 38073 to 46265 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+41646 s

N_H (Galactic)	1.93 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.26 × 10²², -0) cm^-2
z of absorber	3.503
Photon index	1.64 (+0.40, -0.19)
Flux (0.3-10 keV) (Observed)	9.5 (+2.1, -2.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.8 (+1.9, -2.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	69.17 (74)
Spectrum exposure	4.8 ks