SGR burst detected by KW on 2021-10-08
at T0 = 57468.742 s UT (15:57:48.742)

Lightcurve
Lightcurve

Source properties

Name:  SGR 1935+2154
Coordinates[J2000]: (293.7320, 21.8967)
Proposed associations:  SNR G57.2+0.8
Distance: 9.5 kpc
P, Ṗ:   ∼ 3.25 s,  ∼ 1.43 × 10-11 s s-1
Bsurf:  ∼ 2.2 × 1014 G
Characteristic age:  ∼ 3.6 kyr

Temporal analysis

Ti (s) Tf (s) T100 (s) T90 (s) T50 (s)
-0.074 0.096 0.170 0.116-0.004+0.004 0.060-0.004+0.004

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 1.50-0.04+0.04 1.34-0.08+0.08 -0.42-0.40+0.42 31.23-3.67+2.87 ... 9.80/16
2BB 1 - 2 1.50-0.04+0.04 1.34-0.08+0.08 ... 3.38-0.85+0.94 72.71-27.38+260.52 11.20-0.51+0.59 6.30-2.69+7.82 4.96/15