SGR burst detected by KW on 2005-05-02
at T0 = 18502.741 s UT (05:08:22.741)

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)
-3.251 0.182 3.433 3.261-1.956+1.956 2.949-1.956+1.956

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 - 2 5.11-0.63+0.64 0.49-0.10+0.10 1.25-1.85+2.37 33.87-8.90+4.98 ... 7.85/13