Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 120816A

Last updated after receiving ObsID 00531223000, version 13

Data were analysed using HEASOFT version 6.29

About these products.

Get another burst.

Add time-sliced spectrum.

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 136 to 12460 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+139 s

NH (Galactic)5.18 × 1021 cm-2
NH (intrinsic)7 (+33, -7) × 1021 cm-2
z of absorber0
Photon index1.8 (+2.2, -1.3)
Flux (0.3-10 keV)
(Observed)
1.69 (+1.88, -0.85) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.9 (+1.00 × 1010, -1.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.50 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.58 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
12.25 (11)
Spectrum exposure7 s

PC mode. Mean photon arrival: T0+3368 s

NH (Galactic)5.18 × 1021 cm-2
NH (intrinsic)4.6 (+2.6, -2.3) × 1021 cm-2
z of absorber0
Photon index2.01 (+0.27, -0.26)
Flux (0.3-10 keV)
(Observed)
6.9 (+0.9, -0.8) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.30 (+0.28, -0.19) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.83 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.05 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
238.19 (274)
Spectrum exposure5.5 ks

[Back to top]

Late Time spectrum (T0 + 4669 to 12460 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8777 s

NH (Galactic)5.18 × 1021 cm-2
NH (intrinsic)8 (+7, -5) × 1021 cm-2
z of absorber0
Photon index2.2 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
2.3 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.6 (+5.6, -1.8) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.66 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.14 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
91.46 (106)
Spectrum exposure4.1 ks

[Back to top]