SGR burst detected by KW on 2009-02-22
at T0 = 1694.689 s UT (00:28:14.689)

Lightcurve
Lightcurve

Source properties

Name:  SGR 1550-5418/AXP 1E1547-5408
Coordinates[J2000]: (237.7255, 54.3067)
Proposed associations:  SNR G327.24-0.13
Distance:  5 kpc
P, Ṗ:   ∼ 2.07 s,  ∼ 4.77 × 10-11 s s-1
B surf:  ∼ 3.2 × 1014 G
Characteristic age:  ∼ 0.7 kyr

Temporal analysis

Ti (s) Tf (s) T100 (s) T90 (s) T50 (s)
-0.010 0.044 0.054 0.042-0.003+0.003 0.020-0.003+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)
CPL 1 1.09-0.04+0.04 3.07-0.15+0.15 -0.30-0.46+0.49 37.24-4.02+3.06 ... 12.76/14
2BB 1 1.09-0.04+0.04 3.06-0.15+0.15 ... 5.14-1.44+1.81 15.70-5.33+34.47 13.05-0.92+1.46 3.04-1.14+2.14 12.17/13