Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 150727A

Last updated after receiving ObsID 00650530005, version 2

Data were analysed using HEASOFT version 6.32

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 0.313 (GCN 18080)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 83 to 32531 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+228 s

NH (Galactic)9.81 × 1020 cm-2
NH (intrinsic)6.8 (+1.6, -1.6) × 1020 cm-2
z of absorber0.313
Photon index2.37 (+0.04, -0.04)
Flux (0.3-10 keV)
(Observed)
9.12 (+0.18, -0.18) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.35 (+0.03, -0.03) × 10-9 erg cm-2 s-1
Counts to flux (obs)2.78 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
834.39 (672)
Spectrum exposure523 s

PC mode. Mean photon arrival: T0+14292 s

NH (Galactic)9.81 × 1020 cm-2
NH (intrinsic)0 (+1.02 × 1021, -0) cm-2
z of absorber0.313
Photon index1.81 (+0.25, -0.19)
Flux (0.3-10 keV)
(Observed)
1.04 (+0.18, -0.17) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.21 (+0.20, -0.16) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.70 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.32 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
124.65 (123)
Spectrum exposure7.5 ks

[Back to top]

Late Time spectrum (T0 + 4001 to 32531 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15647 s

NH (Galactic)9.81 × 1020 cm-2
NH (intrinsic)0 (+1.15 × 1021, -0) cm-2
z of absorber0.313
Photon index1.77 (+0.27, -0.21)
Flux (0.3-10 keV)
(Observed)
9.8 (+1.8, -1.7) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.13 (+0.20, -0.16) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.77 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
123.06 (113)
Spectrum exposure7.3 ks

[Back to top]