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Swift-XRT spectra of GRB 230123A

Last updated after receiving ObsID 01150429002, version 16

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 96 to 45762 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+4781 s

N_H (Galactic)	2.95 × 10²⁰ cm^-2
N_H (intrinsic)	1.21 (+1.09, -0.86) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	8.1 (+1.7, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.13 (+0.19, -0.17) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.20 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.44 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	113.67 (148)
Spectrum exposure	10.1 ks

Late Time spectrum (T0 + 6171 to 45762 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15833 s

N_H (Galactic)	2.95 × 10²⁰ cm^-2
N_H (intrinsic)	1.7 (+2.9, -1.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.48 (+1.01, -0.80)
Flux (0.3-10 keV) (Observed)	2.61 (+1.42, -0.79) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.5 (+22.5, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	35.70 (47)
Spectrum exposure	8.4 ks