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Swift-XRT spectra of GRB 220325A

Last updated after receiving ObsID 01099310004, version 11

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 113 to 69225 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+119 s

N_H (Galactic)	3.86 × 10²¹ cm^-2
N_H (intrinsic)	4 (+10, -4) × 10²² cm^-2
z of absorber	0
Photon index	4 (-4, -4)
Flux (0.3-10 keV) (Observed)	9.4 (+23.0, -5.1) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7 (+1.00 × 10⁹, +999999993) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.72 × 10^-9 erg cm^-2 ct^-1
W-stat (dof) What's this?	1.17 (5)
Spectrum exposure	8 s

PC mode. Mean photon arrival: T0+7806 s

N_H (Galactic)	3.86 × 10²¹ cm^-2
N_H (intrinsic)	5.8 (+20.7, -5.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.58 (+0.29, -0.22)
Flux (0.3-10 keV) (Observed)	2.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.2 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.23 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	160.02 (222)
Spectrum exposure	9.5 ks

Late Time spectrum (T0 + 4489 to 69225 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17045 s

N_H (Galactic)	3.86 × 10²¹ cm^-2
N_H (intrinsic)	8 (+34, -8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.4 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.30 (+0.34, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.61 (+0.32, -0.26) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	91.80 (116)
Spectrum exposure	8.4 ks