Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 120927A

Last updated after receiving ObsID 00534815001, version 15.

About these products.

Get another burst.

Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 157 to 52788 s)

Download spectral files for Time-averaged spectrum.

Plots to download

WT and PC mode spectra of GRB 120927A

WT mode. Mean photon arrival: T0+162 s

NH (Galactic)3.54 × 1020 cm-2
NH (intrinsic)5 (+9, -5) × 1021 cm-2
z of absorber0
Photon index2.4 (+2.7, -1.3)
Flux (0.3-10 keV)
(Observed)
1.1 (+1.0, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+4.9, -1.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.72 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.09 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
22.94 (30)
Spectrum exposure10 s

PC mode. Mean photon arrival: T0+4820 s

NH (Galactic)3.54 × 1020 cm-2
NH (intrinsic)3.91 (+1.07, -0.96) × 1021 cm-2
z of absorber0
Photon index1.69 (+0.17, -0.17)
Flux (0.3-10 keV)
(Observed)
4.9 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.6 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.74 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.39 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
308.67 (343)
Spectrum exposure10.7 ks

[Back to top]


Late Time spectrum (T0 + 4079 to 52788 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8516 s

NH (Galactic)3.54 × 1020 cm-2
NH (intrinsic)3.4 (+1.4, -1.2) × 1021 cm-2
z of absorber0
Photon index1.67 (+0.24, -0.23)
Flux (0.3-10 keV)
(Observed)
2.10 (+0.31, -0.27) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.75 (+0.30, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.69 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.16 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
187.11 (241)
Spectrum exposure10.0 ks

[Back to top]