Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 241229B

Last updated after receiving ObsID 01277428001, version 10

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 + 23499 to 56379 s)

Download spectral files for Time-averaged spectrum.

Plots to download

PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+34557 s

NH (Galactic)6.58 × 1020 cm-2
NH (intrinsic)6 (+30, -6) × 1020 cm-2
z of absorber0
Photon index2.1 (+1.0, -0.6)
Flux (0.3-10 keV)
(Observed)
2.58 (+1.36, -0.93) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.41 (+1.50, -0.89) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.38 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
37.97 (35)
Spectrum exposure6.7 ks

[Back to top]

Late Time spectrum (T0 + 23499 to 56379 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+34557 s

NH (Galactic)6.58 × 1020 cm-2
NH (intrinsic)6 (+30, -6) × 1020 cm-2
z of absorber0
Photon index2.1 (+1.0, -0.6)
Flux (0.3-10 keV)
(Observed)
2.58 (+1.36, -0.93) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.41 (+1.50, -0.89) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.38 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
37.97 (35)
Spectrum exposure6.7 ks

[Back to top]