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) |
|---|---|---|---|---|
| -0.032 | 0.360 | 0.392 | 0.324-0.006+0.006 | 0.174-0.004+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 - 5 | 5.39-0.12+0.12 | 1.66-0.08+0.08 | 0.51-0.24+0.25 | 38.40-0.92+0.88 | ... | 31.27/34 | |||
| 2BB | 1 - 5 | 5.35-0.12+0.12 | 1.65-0.08+0.08 | ... | 4.76-1.81+1.97 | 5.33-1.69+27.09 | 11.24-0.53+0.96 | 1.78-0.79+1.01 | 31.00/33 | |