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) |
|---|---|---|---|---|
| -0.216 | 0.362 | 0.578 | 0.352-0.015+0.015 | 0.124-0.005+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 | 3.47-0.07+0.07 | 1.93-0.09+0.09 | -0.39-0.25+0.26 | 33.40-1.90+1.64 | ... | 15.95/21 | |||
| 2BB | 1 - 4 | 3.49-0.07+0.07 | 1.94-0.09+0.09 | ... | 7.79-0.61+0.53 | 14.46-1.25+1.85 | 16.33-1.69+2.05 | 2.14-0.49+0.82 | 12.42/20 | |