Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 210725B

Last updated after receiving ObsID 01061554008, version 4

Data were analysed using HEASOFT version 6.32

About these products.

Get another burst.

Add time-sliced spectrum.

Jump to: Time-averaged|Late Time


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

Download spectral files for Time-averaged spectrum.

Plots to download

WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+123 s

NH (Galactic)2.02 × 1020 cm-2
NH (intrinsic)6.1 (+2.4, -2.0) × 1021 cm-2
z of absorber0
Photon index1.68 (+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 exposure68 s

PC mode. Mean photon arrival: T0+3191 s

NH (Galactic)2.02 × 1020 cm-2
NH (intrinsic)5.1 (+3.9, -2.7) × 1021 cm-2
z of absorber0
Photon index1.9 (+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 exposure4.7 ks

[Back to top]

Late Time spectrum (T0 + 11600 to 38696 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+23106 s

NH (Galactic)2.02 × 1020 cm-2
NH (intrinsic)3.5 (+12.0, -3.5) × 1021 cm-2
z of absorber0
Photon index2.3 (+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 exposure4.3 ks

[Back to top]