SGR burst detected by KW on 2003-12-12
at T0 = 45823.661 s UT (12:43:43.661)

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)
-0.298 0.112 0.410 0.274-0.013+0.013 0.128-0.007+0.007

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 3.94-0.25+0.25 2.17-0.21+0.21 ... 3.49-0.87+0.99 76.00-29.15+245.79 9.08-0.95+1.20 6.47-2.57+7.98 16.90/14