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) |
|---|---|---|---|---|
| -0.060 | 0.282 | 0.342 | 0.286-0.008+0.008 | 0.148-0.005+0.005 |
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 | 3.89-0.07+0.07 | 1.70-0.09+0.09 | 0.07-0.22+0.23 | 36.01-1.33+1.21 | ... | 22.73/20 | |||
| 2BB | 1 - 4 | 3.88-0.07+0.07 | 1.70-0.09+0.09 | ... | 4.84-0.91+1.01 | 29.20-7.53+24.21 | 11.75-0.45+0.58 | 6.86-1.90+2.54 | 20.97/19 | |