Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 140331A

Last updated after receiving ObsID 00594081005, version 13

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 + 391 to 57631 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+437 s

NH (Galactic)4.35 × 1020 cm-2
NH (intrinsic)3.7 (+3.1, -2.9) × 1020 cm-2
z of absorber0
Photon index2.00 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
3.77 (+0.30, -0.28) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.49 (+0.29, -0.23) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.18 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.79 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
339.53 (376)
Spectrum exposure116 s

PC mode. Mean photon arrival: T0+6575 s

NH (Galactic)4.35 × 1020 cm-2
NH (intrinsic)1.8 (+3.4, -1.8) × 1020 cm-2
z of absorber0
Photon index1.93 (+0.15, -0.13)
Flux (0.3-10 keV)
(Observed)
5.4 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.1 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.36 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.83 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
301.47 (304)
Spectrum exposure9.3 ks

[Back to top]

Late Time spectrum (T0 + 5463 to 57631 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19295 s

NH (Galactic)4.35 × 1020 cm-2
NH (intrinsic)9 (+9, -8) × 1020 cm-2
z of absorber0
Photon index1.90 (+0.29, -0.27)
Flux (0.3-10 keV)
(Observed)
1.44 (+0.27, -0.22) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.78 (+0.26, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.55 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.40 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
132.70 (161)
Spectrum exposure7.5 ks

[Back to top]