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Swift-XRT spectra of GRB 220711B

Last updated after receiving ObsID 01115766008, version 10

Data were analysed using HEASOFT version 6.35.2

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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)	1.78 (+0.17, -0.16) × 10²¹ cm^-2
z of absorber	0
Photon index	1.87 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.356 (+0.031, -0.030) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.83 (+0.03, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.83 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	752.23 (723)
Spectrum exposure	414 s

PC mode. Mean photon arrival: T0+8800 s

N_H (Galactic)	7.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.06 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	5.3 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.7 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.07 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	268.18 (296)
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+12757 s

N_H (Galactic)	7.40 × 10²⁰ cm^-2
N_H (intrinsic)	2.2 (+1.0, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.20 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	3.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.30 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	213.94 (237)
Spectrum exposure	6.0 ks