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Swift-XRT spectra of GRB 220521A

Last updated after receiving ObsID 01107466002, version 25

Data were analysed using HEASOFT version 6.35.2

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 5.6 (GCN 32079)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 104 to 73126 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+4208 s

N_H (Galactic)	1.87 × 10²¹ cm^-2
N_H (intrinsic)	3.9 (+11.2, -3.9) × 10²² cm^-2
z of absorber	5.6
Photon index	1.95 (+0.26, -0.22)
Flux (0.3-10 keV) (Observed)	1.95 (+0.33, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.7 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	164.50 (192)
Spectrum exposure	11.9 ks

Late Time spectrum (T0 + 4001 to 73126 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14112 s

N_H (Galactic)	1.87 × 10²¹ cm^-2
N_H (intrinsic)	1.2 (+2.8, -1.2) × 10²³ cm^-2
z of absorber	5.6
Photon index	2.3 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	3.76 (+1.32, -0.95) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.6 (+4.9, -1.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.08 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.44 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	48.45 (67)
Spectrum exposure	11.3 ks