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Swift-XRT spectra of GRB 220412A

Last updated after receiving ObsID 01102281002, version 9

Data were analysed using HEASOFT version 6.35.2

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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 (+2.06 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.020 (+0.129, -0.099)
Flux (0.3-10 keV) (Observed)	2.34 (+0.18, -0.19) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.58 (+0.19, -0.21) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.06 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	240.64 (299)
Spectrum exposure	158 s

PC mode. Mean photon arrival: T0+2829 s

N_H (Galactic)	3.70 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+6.2, -2.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.68 (+0.23, -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)	4.9 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.04 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	187.90 (201)
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+15163 s

N_H (Galactic)	3.70 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.68 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.6 (+0.7, -0.3)
Flux (0.3-10 keV) (Observed)	5.3 (+1.7, -1.9) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.6 (+1.8, -1.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.19 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.42 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	38.66 (39)
Spectrum exposure	4.5 ks