SGR burst detected by KW on 2006-09-20
at T0 = 50021.123 s UT (13:53:41.123)

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)
-0.184 1.296 1.480 1.054-0.048+0.048 0.532-0.017+0.017

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 11.60-0.28+0.28 1.55-0.12+0.12 ... 3.56-0.46+0.55 29.94-8.53+22.73 10.14-0.42+0.51 2.60-0.69+1.19 46.09/26