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Swift-XRT spectra of GRB 190109A

Last updated after receiving ObsID 00882747005, version 12

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 175 to 24222 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+282 s

N_H (Galactic)	5.11 × 10²⁰ cm^-2
N_H (intrinsic)	6.1 (+1.3, -1.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.88 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.25 (+0.03, -0.03) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.51 (+0.03, -0.03) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.51 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	632.45 (663)
Spectrum exposure	291 s

PC mode. Mean photon arrival: T0+6534 s

N_H (Galactic)	5.11 × 10²⁰ cm^-2
N_H (intrinsic)	2.7 (+4.6, -2.7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.89 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	4.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.0 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.04 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	237.33 (290)
Spectrum exposure	9.8 ks

Late Time spectrum (T0 + 4820 to 24222 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11503 s

N_H (Galactic)	5.11 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+6.5, -2.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.85 (+0.23, -0.20)
Flux (0.3-10 keV) (Observed)	1.84 (+0.27, -0.24) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.11 (+0.25, -0.20) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.57 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	171.87 (206)
Spectrum exposure	8.7 ks