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) |
|---|---|---|---|---|
| -0.024 | 0.100 | 0.124 | 0.084-0.004+0.004 | 0.044-0.004+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 - 2 | 1.33-0.04+0.04 | 1.91-0.11+0.11 | -0.03-0.34+0.36 | 45.04-2.05+1.90 | ... | 28.54/21 | |||
| 2BB | 1 - 2 | 1.36-0.04+0.04 | 1.95-0.11+0.11 | ... | 10.77-1.40+0.67 | 6.92-0.61+1.82 | 29.08-10.17+12.91 | 0.43-0.17+1.72 | 28.87/20 | |