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Swift-XRT spectra of GRB 210725B

Last updated after receiving ObsID 01061554008, version 4

Data were analysed using HEASOFT version 6.35.2

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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)	6.2 (+2.6, -2.1) × 10²¹ cm^-2
z of absorber	0
Photon index	1.68 (+0.28, -0.27)
Flux (0.3-10 keV) (Observed)	3.7 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.8, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	225.69 (285)
Spectrum exposure	68 s

PC mode. Mean photon arrival: T0+4712 s

N_H (Galactic)	2.02 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+8, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.8, -0.7)
Flux (0.3-10 keV) (Observed)	1.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.5 (+3.2, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.83 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	9.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	63.23 (68)
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 (+12.9, -3.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+2.0, -1.3)
Flux (0.3-10 keV) (Observed)	1.53 (+2.01, -0.78) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.8 (+10.1, -1.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.46 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	13.46 (12)
Spectrum exposure	4.3 ks