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Swift-XRT spectra of GRB 220711B

Last updated after receiving ObsID 01115766008, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 110 to 50421 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+242 s

N_H (Galactic)	7.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.77 (+0.16, -0.16) × 10²¹ cm^-2
z of absorber	0
Photon index	1.89 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.340 (+0.030, -0.029) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.82 (+0.03, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.14 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	753.28 (717)
Spectrum exposure	414 s

PC mode. Mean photon arrival: T0+8608 s

N_H (Galactic)	7.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	5.3 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.6 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	257.58 (299)
Spectrum exposure	6.4 ks

Late Time spectrum (T0 + 4194 to 50421 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12739 s

N_H (Galactic)	7.40 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.20 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	3.3 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.4 (+0.6, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.22 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	210.92 (240)
Spectrum exposure	6.0 ks