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Swift-XRT spectra of GRB 221028A

Last updated after receiving ObsID 01131910001, version 13

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 102 to 28072 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+110 s

N_H (Galactic)	7.76 × 10²¹ cm^-2
N_H (intrinsic)	1.0 (+2.0, -1.0) × 10²² cm^-2
z of absorber	0
Photon index	1.2 (+0.9, -0.8)
Flux (0.3-10 keV) (Observed)	4.1 (+1.7, -1.2) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+4.2, -1.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	6.83 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	83.16 (94)
Spectrum exposure	23 s

PC mode. Mean photon arrival: T0+819 s

N_H (Galactic)	7.76 × 10²¹ cm^-2
N_H (intrinsic)	1.5 (+0.9, -0.8) × 10²² cm^-2
z of absorber	0
Photon index	1.5 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	6.1 (+1.2, -1.0) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.5 (+3.4, -1.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	8.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.34 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	164.37 (176)
Spectrum exposure	5.6 ks

Late Time spectrum (T0 + 4522 to 28072 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+6232 s

N_H (Galactic)	7.76 × 10²¹ cm^-2
N_H (intrinsic)	1.1 (+3.6, -0.7) × 10²³ cm^-2
z of absorber	0
Photon index	4 (+73, -4)
Flux (0.3-10 keV) (Observed)	2.0 (+3.9, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4 (+1.00 × 10¹¹, -4) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	7.17 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.60 × 10^-8 erg cm^-2 ct^-1
W-stat (dof) What's this?	11.64 (9)
Spectrum exposure	4.5 ks