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Swift-XRT spectra of GRB 210724A

Last updated after receiving ObsID 01061482011, version 9

Data were analysed using HEASOFT version 6.35.2

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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)	1.28 (+0.24, -0.23) × 10²¹ cm^-2
z of absorber	0
Photon index	2.41 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	5.54 (+0.21, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.4 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.85 × 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?	482.45 (496)
Spectrum exposure	263 s

PC mode. Mean photon arrival: T0+6367 s

N_H (Galactic)	8.23 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.01 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	2.13 (+0.61, -0.18)
Flux (0.3-10 keV) (Observed)	5.1 (+1.2, -1.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.1 (+1.5, -1.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.70 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	55.69 (71)
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)	2.1 (+21.5, -2.1) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.2 (+0.9, -0.5)
Flux (0.3-10 keV) (Observed)	1.7 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.20 (+2.54, -0.66) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.02 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	37.66 (35)
Spectrum exposure	1.0 ks