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Swift-XRT spectra of GRB 221028A

Last updated after receiving ObsID 01131910001, version 13

Data were analysed using HEASOFT version 6.32

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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)	1.2 (+2.0, -1.2) × 10²² cm^-2
z of absorber	0
Photon index	1.4 (+0.9, -0.8)
Flux (0.3-10 keV) (Observed)	3.7 (+1.5, -1.1) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.4 (+5.0, -1.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	6.22 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.06 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	85.81 (95)
Spectrum exposure	23 s

PC mode. Mean photon arrival: T0+1138 s

N_H (Galactic)	7.76 × 10²¹ cm^-2
N_H (intrinsic)	1.6 (+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)	5.85 (+1.15, -0.95) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.5 (+3.1, -1.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	8.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.30 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	162.34 (180)
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+7940 s

N_H (Galactic)	7.76 × 10²¹ cm^-2
N_H (intrinsic)	9.6 (+28.6, -6.0) × 10²² cm^-2
z of absorber	0
Photon index	4 (+65, -4)
Flux (0.3-10 keV) (Observed)	2.1 (+3.8, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.5 (+1.33 × 10³, -1.6) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.50 × 10^-9 erg cm^-2 ct^-1
W-stat (dof) What's this?	15.80 (12)
Spectrum exposure	4.5 ks