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) |
|---|---|---|---|---|
| -0.098 | 0.232 | 0.330 | 0.212-0.005+0.005 | 0.112-0.004+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 - 4 | 3.30-0.07+0.07 | 1.69-0.08+0.08 | -0.20-0.23+0.24 | 33.27-1.72+1.54 | ... | 24.23/19 | |||
| 2BB | 1 - 4 | 3.29-0.07+0.07 | 1.69-0.08+0.08 | ... | 4.72-0.77+0.82 | 31.51-7.57+20.91 | 11.79-0.50+0.60 | 6.07-1.48+1.96 | 20.83/18 | |