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Swift-XRT spectra of GRB 230728A

Last updated after receiving ObsID 01181187005, version 23

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 96 to 28922 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+134 s

N_H (Galactic)	6.29 × 10²⁰ cm^-2
N_H (intrinsic)	3.8 (+1.4, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	1.97 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	2.43 (+0.33, -0.29) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.8 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.90 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	205.59 (289)
Spectrum exposure	94 s

PC mode. Mean photon arrival: T0+4053 s

N_H (Galactic)	6.29 × 10²⁰ cm^-2
N_H (intrinsic)	6.3 (+1.4, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.04 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	1.59 (+0.15, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.83 (+0.43, -0.29) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.28 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.60 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	271.48 (357)
Spectrum exposure	6.6 ks

Late Time spectrum (T0 + 5605 to 28922 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16516 s

N_H (Galactic)	6.29 × 10²⁰ cm^-2
N_H (intrinsic)	6.9 (+3.7, -2.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.4 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.56 (+0.34, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.69 (+2.02, -0.79) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.62 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	92.85 (130)
Spectrum exposure	5.4 ks