Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 080319B

Last updated after receiving ObsID 00306757031, version 18

Data were analysed using HEASOFT version 6.32

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 0.94 (GCN 7444)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 64 to 30643 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+802 s

NH (Galactic)1.15 × 1020 cm-2
NH (intrinsic)1.42 (+0.10, -0.10) × 1021 cm-2
z of absorber0.94
Photon index1.698 (+0.011, -0.011)
Flux (0.3-10 keV)
(Observed)
4.34 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.658 (+0.029, -0.029) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.77 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.05 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
1053.55 (908)
Spectrum exposure1.7 ks

PC mode. Mean photon arrival: T0+13234 s

NH (Galactic)1.15 × 1020 cm-2
NH (intrinsic)1.2 (+0.5, -0.5) × 1021 cm-2
z of absorber0.94
Photon index1.73 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
3.76 (+0.15, -0.15) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.03 (+0.13, -0.13) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.75 × 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?
481.90 (553)
Spectrum exposure9.3 ks

[Back to top]

Late Time spectrum (T0 + 4948 to 30643 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13234 s

NH (Galactic)1.15 × 1020 cm-2
NH (intrinsic)1.2 (+0.5, -0.5) × 1021 cm-2
z of absorber0.94
Photon index1.73 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
3.76 (+0.15, -0.15) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.03 (+0.13, -0.13) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.75 × 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?
481.90 (553)
Spectrum exposure9.3 ks

[Back to top]