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Swift-XRT spectra of GRB 240511A

Last updated after receiving ObsID 01227767019, version 7

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 109 to 74124 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+203 s

N_H (Galactic)	8.49 × 10²⁰ cm^-2
N_H (intrinsic)	1.84 (+0.16, -0.16) × 10²¹ cm^-2
z of absorber	0
Photon index	2.04 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	3.59 (+0.08, -0.08) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.29 (+0.10, -0.10) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.20 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	677.94 (701)
Spectrum exposure	345 s

PC mode. Mean photon arrival: T0+17181 s

N_H (Galactic)	8.49 × 10²⁰ cm^-2
N_H (intrinsic)	8 (+5, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.05 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	4.5 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.1 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.42 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.61 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	295.57 (340)
Spectrum exposure	11.3 ks

Late Time spectrum (T0 + 5215 to 74124 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23220 s

N_H (Galactic)	8.49 × 10²⁰ cm^-2
N_H (intrinsic)	1.4 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.17 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	3.01 (+0.31, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	235.41 (295)
Spectrum exposure	9.9 ks