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Swift-XRT spectra of GRB 220412A

Last updated after receiving ObsID 01102281002, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 126 to 27878 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+191 s

N_H (Galactic)	3.70 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.09 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.016 (+0.128, -0.098)
Flux (0.3-10 keV) (Observed)	2.65 (+0.20, -0.22) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.84 (+0.29, -0.19) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.31 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	258.73 (300)
Spectrum exposure	158 s

PC mode. Mean photon arrival: T0+2768 s

N_H (Galactic)	3.70 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+6.0, -2.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.67 (+0.22, -0.19)
Flux (0.3-10 keV) (Observed)	4.5 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.0 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.32 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	184.29 (203)
Spectrum exposure	5.2 ks

Late Time spectrum (T0 + 4193 to 27878 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15199 s

N_H (Galactic)	3.70 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.70 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.6 (+0.5, -0.3)
Flux (0.3-10 keV) (Observed)	5.0 (+1.6, -1.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+1.8, -1.6) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.04 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	38.82 (39)
Spectrum exposure	4.5 ks