SGR burst detected by KW on 2006-09-25
at T0 = 67904.917 s UT (18:51:44.917)

Lightcurve
Lightcurve

Source properties

Name:  SGR 1806-20
Coordinates[J2000]: (272.1639, -20.4111)
Proposed associations: W31,  MC 13A,  massive star cluster
Distance:  8.7 kpc
P, Ṗ:   ∼ 7.55 s,  ∼ 49.5 × 10-11 s s-1
B surf:  ∼ 20.0 × 1014 G
Characteristic age:  ∼ 0.2 kyr

Temporal analysis

Ti (s) Tf (s) T100 (s) T90 (s) T50 (s)
-0.146 3.408 3.554 2.444-0.041+0.041 1.346-0.033+0.033

Spectral analysis

Model Spectra Fluence Peak flux α Ep kT1 R1 kT2 R2 χ2/dof
(10-6 erg/cm2) (10-5 erg/cm2/s) (keV) (keV) (km) (keV) (km)
CPL 1 - 6 38.30-0.41+0.41 2.49-0.15+0.15 -1.14-0.12+0.12 20.29-1.77+1.62 ... 67.20/27
2BB 1 - 6 38.30-0.41+0.41 2.48-0.15+0.15 ... 4.66-0.30+0.30 23.34-3.07+4.69 11.55-0.28+0.30 3.18-0.33+0.35 70.12/26