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) |
|---|---|---|---|---|
| -0.042 | 0.108 | 0.150 | 0.128-0.004+0.004 | 0.066-0.003+0.003 |
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 | 1.82-0.05+0.05 | 1.57-0.08+0.08 | 0.21-0.33+0.35 | 31.92-1.68+1.47 | ... | 17.55/16 | |||
| 2BB | 1 - 2 | 1.82-0.05+0.05 | 1.57-0.08+0.08 | ... | 5.08-1.36+1.32 | 26.17-6.48+33.64 | 10.52-0.68+1.01 | 8.10-2.46+3.09 | 17.15/15 | |