Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 081230

Last updated after receiving ObsID 00338633007, version 21

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 + 130 to 104143 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+151 s

NH (Galactic)1.77 × 1020 cm-2
NH (intrinsic)7.4 (+2.6, -2.5) × 1020 cm-2
z of absorber0
Photon index1.83 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
1.02 (+0.06, -0.06) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.19 (+0.06, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
403.95 (455)
Spectrum exposure82 s

PC mode. Mean photon arrival: T0+25397 s

NH (Galactic)1.77 × 1020 cm-2
NH (intrinsic)4 (+3, -3) × 1020 cm-2
z of absorber0
Photon index2.02 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
9.0 (+0.8, -0.7) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.04 (+0.08, -0.07) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.22 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.74 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
251.80 (300)
Spectrum exposure43.6 ks

[Back to top]

Late Time spectrum (T0 + 4050 to 104143 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+31513 s

NH (Galactic)1.77 × 1020 cm-2
NH (intrinsic)3 (+4, -3) × 1020 cm-2
z of absorber0
Photon index1.97 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
7.7 (+0.8, -0.7) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.7 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.28 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.69 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
222.61 (280)
Spectrum exposure43.0 ks

[Back to top]