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Swift-XRT spectra of GRB 080123

Last updated after receiving ObsID 00301578000, version 21

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 108 to 58949 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+153 s

N_H (Galactic)	2.51 × 10²⁰ cm^-2
N_H (intrinsic)	7.9 (+3.0, -2.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.60 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	7.6 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.6 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.12 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.64 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	422.47 (495)
Spectrum exposure	118 s

PC mode. Mean photon arrival: T0+4308 s

N_H (Galactic)	2.51 × 10²⁰ cm^-2
N_H (intrinsic)	9.3 (+15.8, -9.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.2 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	2.6 (+0.9, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.48 (+1.74, -0.45) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	72.09 (79)
Spectrum exposure	18.8 ks

Late Time spectrum (T0 + 5769 to 58949 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18095 s

N_H (Galactic)	2.51 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+5.3, -2.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.9 (+2.0, -1.3)
Flux (0.3-10 keV) (Observed)	3.8 (+3.4, -1.6) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.4 (+17.1, -5.4) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	2.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.20 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	16.06 (18)
Spectrum exposure	16.6 ks