SGR burst detected by KW on 2006-12-27
at T0 = 28650.56 s UT (07:57:30.560)

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)
-0.262 9.136 9.398 4.410-0.416+0.416 1.100-0.041+0.041

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)
2BB 1 - 5 20.20-0.29+0.29 1.79-0.13+0.13 ... 4.16-0.30+0.32 26.20-4.30+7.08 11.06-0.33+0.36 2.74-0.37+0.46 27.47/25