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Swift-XRT spectra of GRB 210905A

Last updated after receiving ObsID 01071993028, version 6

Data were analysed using HEASOFT version 6.35.2

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The spectral fits assume a redshift: 6.318 (GCN 30771)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 98 to 68383 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+299 s

N_H (Galactic)	3.38 × 10²⁰ cm^-2
N_H (intrinsic)	3.1 (+1.8, -1.7) × 10²² cm^-2
z of absorber	6.318
Photon index	1.39 (+0.05, -0.04)
Flux (0.3-10 keV) (Observed)	1.55 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.63 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.90 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	676.85 (702)
Spectrum exposure	209 s

PC mode. Mean photon arrival: T0+17428 s

N_H (Galactic)	3.38 × 10²⁰ cm^-2
N_H (intrinsic)	2.6 (+3.8, -2.6) × 10²² cm^-2
z of absorber	6.318
Photon index	1.83 (+0.13, -0.13)
Flux (0.3-10 keV) (Observed)	9.6 (+0.9, -0.8) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.07 (+0.08, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.60 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	299.38 (319)
Spectrum exposure	5.0 ks

Late Time spectrum (T0 + 4002 to 68383 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22768 s

N_H (Galactic)	3.38 × 10²⁰ cm^-2
N_H (intrinsic)	2.9 (+4.5, -2.9) × 10²² cm^-2
z of absorber	6.318
Photon index	1.86 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	6.6 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.4 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.56 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	237.93 (279)
Spectrum exposure	4.7 ks