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) |
|---|---|---|---|---|
| -0.094 | 1.104 | 1.198 | 0.966-0.016+0.016 | 0.564-0.016+0.016 |
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 - 7 | 8.04-0.13+0.13 | 1.41-0.05+0.05 | 0.48-0.16+0.16 | 50.51-0.79+0.78 | ... | 92.70/30 | |||
| 2BB | 1 - 7 | 8.03-0.12+0.12 | 1.41-0.05+0.05 | ... | 8.38-1.06+0.98 | 6.96-0.74+1.39 | 15.97-0.76+0.94 | 2.68-0.32+0.42 | 91.03/29 | |