Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 140709B

Last updated after receiving ObsID 00603866001, version 9

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 + 97 to 34560 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+143 s

NH (Galactic)4.30 × 1020 cm-2
NH (intrinsic)2.2 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.11 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.35 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.49 (+0.05, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)6.17 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.79 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
651.95 (685)
Spectrum exposure180 s

PC mode. Mean photon arrival: T0+6858 s

NH (Galactic)4.30 × 1020 cm-2
NH (intrinsic)1.8 (+0.5, -0.4) × 1021 cm-2
z of absorber0
Photon index2.05 (+0.14, -0.13)
Flux (0.3-10 keV)
(Observed)
5.6 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.0 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.46 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.93 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
335.58 (367)
Spectrum exposure11.4 ks

[Back to top]

Late Time spectrum (T0 + 4833 to 34560 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12980 s

NH (Galactic)4.30 × 1020 cm-2
NH (intrinsic)2.2 (+0.7, -0.6) × 1021 cm-2
z of absorber0
Photon index2.40 (+0.22, -0.21)
Flux (0.3-10 keV)
(Observed)
2.22 (+0.24, -0.21) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.0 (+0.4, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.97 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.34 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
188.76 (258)
Spectrum exposure10.2 ks

[Back to top]