SGR burst detected by KW on 1997-09-02
at T0 = 39346.778 s UT (10:55:46.778)

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)
-0.030 0.094 0.124 0.078-0.015+0.015 0.042-0.003+0.003

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 - 2 1.69-0.07+0.07 2.57-0.19+0.19 ... 2.97-0.48+0.67 174.69-65.75+254.28 11.20-0.65+0.72 6.19-2.18+7.51 14.53/20