Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 151027A

Last updated after receiving ObsID 00661775014, version 12

Data were analysed using HEASOFT version 6.29

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 0.81 (GCN 18487)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 93 to 63739 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+555 s

NH (Galactic)3.75 × 1020 cm-2
NH (intrinsic)3.85 (+0.25, -0.25) × 1021 cm-2
z of absorber0.81
Photon index1.962 (+0.024, -0.024)
Flux (0.3-10 keV)
(Observed)
8.72 (+0.13, -0.13) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.112 (+0.014, -0.014) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.40 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.33 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
734.69 (797)
Spectrum exposure1.5 ks

PC mode. Mean photon arrival: T0+17289 s

NH (Galactic)3.75 × 1020 cm-2
NH (intrinsic)4.3 (+0.7, -0.6) × 1021 cm-2
z of absorber0.81
Photon index1.97 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
3.49 (+0.14, -0.13) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.52 (+0.15, -0.14) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
539.49 (548)
Spectrum exposure10.2 ks

[Back to top]

Late Time spectrum (T0 + 5910 to 63739 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+17289 s

NH (Galactic)3.75 × 1020 cm-2
NH (intrinsic)4.3 (+0.7, -0.6) × 1021 cm-2
z of absorber0.81
Photon index1.97 (+0.06, -0.06)
Flux (0.3-10 keV)
(Observed)
3.49 (+0.14, -0.13) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.52 (+0.15, -0.14) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
539.49 (548)
Spectrum exposure10.2 ks

[Back to top]