Skip banner and navigation tools.

 |  site map

Swift-XRT spectra of GRB 121201A

Last updated after receiving ObsID 00540178002, version 5.

About these products.

Get another burst.

Add time-sliced spectrum.

The spectral fits assume a redshift: 3.385 (GCN 14035)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 118 to 45596 s)

Download spectral files for Time-averaged spectrum.

Plots to download

WT and PC mode spectra of GRB 121201A

WT mode. Mean photon arrival: T0+131 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)0 (+3.03 × 1022, -0) cm-2
z of absorber3.385
Photon index1.21 (+0.34, -0.23)
Flux (0.3-10 keV)
(Observed)
2.7 (+0.6, -0.7) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.8 (+0.5, -0.7) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.75 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.85 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
70.50 (103)
Spectrum exposure24 s

PC mode. Mean photon arrival: T0+2622 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)2.8 (+10.2, -2.8) × 1021 cm-2
z of absorber3.385
Photon index1.52 (+0.13, -0.11)
Flux (0.3-10 keV)
(Observed)
3.8 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.95 (+0.30, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.25 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.41 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
300.32 (333)
Spectrum exposure10.7 ks

[Back to top]


Late Time spectrum (T0 + 4459 to 45596 s)

Download spectral files for Late Time spectrum.

Plots to download

PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10042 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)1.3 (+2.2, -1.3) × 1022 cm-2
z of absorber3.385
Photon index2.1 (+0.3, -0.3)
Flux (0.3-10 keV)
(Observed)
6.7 (+1.4, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.8 (+1.3, -1.2) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.15 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.67 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
102.42 (117)
Spectrum exposure9.7 ks

[Back to top]