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Swift-XRT spectra of GRB 210724A

Last updated after receiving ObsID 01061482011, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 123 to 27226 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+256 s

N_H (Galactic)	8.23 × 10²⁰ cm^-2
N_H (intrinsic)	1.29 (+0.23, -0.22) × 10²¹ cm^-2
z of absorber	0
Photon index	2.43 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	7.63 (+0.29, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.31 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	484.21 (496)
Spectrum exposure	263 s

PC mode. Mean photon arrival: T0+6380 s

N_H (Galactic)	8.23 × 10²⁰ cm^-2
N_H (intrinsic)	8.3 (+117.4, -8.3) × 10¹⁹ cm^-2
z of absorber	0
Photon index	2.3 (+0.5, -0.3)
Flux (0.3-10 keV) (Observed)	4.6 (+1.0, -1.0) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.0 (+1.6, -1.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.86 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.79 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	57.02 (69)
Spectrum exposure	1.2 ks

Late Time spectrum (T0 + 4858 to 27226 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12542 s

N_H (Galactic)	8.23 × 10²⁰ cm^-2
N_H (intrinsic)	2.4 (+21.1, -2.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.3 (+0.9, -0.5)
Flux (0.3-10 keV) (Observed)	1.6 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.10 (+1.85, -0.63) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.94 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	37.66 (35)
Spectrum exposure	1.0 ks