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Swift-XRT spectra of GRB 210725B

Last updated after receiving ObsID 01061554008, version 4

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 94 to 38696 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+123 s

N_H (Galactic)	2.02 × 10²⁰ cm^-2
N_H (intrinsic)	6.1 (+2.4, -2.0) × 10²¹ cm^-2
z of absorber	0
Photon index	1.68 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	3.8 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.7, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	226.87 (285)
Spectrum exposure	68 s

PC mode. Mean photon arrival: T0+3191 s

N_H (Galactic)	2.02 × 10²⁰ cm^-2
N_H (intrinsic)	5.1 (+3.9, -2.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.9 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	1.6 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.3 (+1.0, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	66.33 (99)
Spectrum exposure	4.7 ks

Late Time spectrum (T0 + 11600 to 38696 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23106 s

N_H (Galactic)	2.02 × 10²⁰ cm^-2
N_H (intrinsic)	3.5 (+12.0, -3.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+1.9, -1.3)
Flux (0.3-10 keV) (Observed)	1.48 (+1.90, -0.74) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.7 (+9.7, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.36 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	13.65 (12)
Spectrum exposure	4.3 ks