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Swift-XRT spectra of GRB 220706A

Last updated after receiving ObsID 01114937026, version 11

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: 0.8577 (Gompertz et al., 2026)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 106 to 85086 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+151 s

N_H (Galactic)	2.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+0.6, -0.5) × 10²² cm^-2
z of absorber	0.8577
Photon index	1.91 (+0.27, -0.24)
Flux (0.3-10 keV) (Observed)	2.08 (+0.34, -0.30) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.9 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	236.51 (248)
Spectrum exposure	100 s

PC mode. Mean photon arrival: T0+12568 s

N_H (Galactic)	2.40 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+0.4, -0.3) × 10²² cm^-2
z of absorber	0.8577
Photon index	2.26 (+0.14, -0.14)
Flux (0.3-10 keV) (Observed)	2.61 (+0.19, -0.17) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.1 (+0.6, -0.5) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	340.68 (404)
Spectrum exposure	7.4 ks

Late Time spectrum (T0 + 11583 to 85086 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17700 s

N_H (Galactic)	2.40 × 10²⁰ cm^-2
N_H (intrinsic)	2.6 (+0.5, -0.4) × 10²² cm^-2
z of absorber	0.8577
Photon index	2.53 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	1.50 (+0.13, -0.11) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.8 (+0.7, -0.5) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.25 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.22 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	293.39 (314)
Spectrum exposure	6.5 ks