Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 110420A

Last updated after receiving ObsID 00451757021, version 17

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 + 93 to 42241 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+114 s

NH (Galactic)1.31 × 1020 cm-2
NH (intrinsic)1.6 (+0.5, -0.4) × 1021 cm-2
z of absorber0
Photon index3.8 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
3.06 (+0.22, -0.21) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.025 (+1.320, -0.082) × 10-9 erg cm-2 s-1
Counts to flux (obs)2.13 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.14 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
166.42 (185)
Spectrum exposure57 s

PC mode. Mean photon arrival: T0+11853 s

NH (Galactic)1.31 × 1020 cm-2
NH (intrinsic)1.60 (+0.24, -0.23) × 1021 cm-2
z of absorber0
Photon index1.95 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.21 (+0.05, -0.05) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.59 (+0.06, -0.06) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.53 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.63 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
446.07 (539)
Spectrum exposure17.6 ks

[Back to top]

Late Time spectrum (T0 + 5133 to 42241 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16174 s

NH (Galactic)1.31 × 1020 cm-2
NH (intrinsic)1.44 (+0.27, -0.26) × 1021 cm-2
z of absorber0
Photon index1.90 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
8.3 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.05 (+0.04, -0.04) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.56 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
433.06 (499)
Spectrum exposure16.0 ks

[Back to top]