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) |
|---|---|---|---|---|
| -0.076 | 0.198 | 0.274 | 0.140-0.029+0.029 | 0.050-0.003+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 - 3 | 1.71-0.05+0.05 | 1.92-0.10+0.10 | -0.53-0.33+0.35 | 38.76-3.27+2.65 | ... | 10.30/18 | |||
| 2BB | 1 - 3 | 1.69-0.05+0.05 | 1.90-0.10+0.10 | ... | 6.61-1.58+1.57 | 12.12-2.82+10.61 | 15.12-1.49+2.48 | 2.55-0.47+0.73 | 11.96/17 | |