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) |
|---|---|---|---|---|
| -0.104 | 0.158 | 0.262 | 0.186-0.007+0.007 | 0.102-0.004+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 | 2.22-0.06+0.06 | 1.25-0.07+0.07 | 0.15-0.40+0.43 | 32.58-2.06+1.71 | ... | 23.24/16 | |||
| 2BB | 1 - 2 | 2.24-0.06+0.06 | 1.26-0.07+0.07 | ... | 7.33-1.05+0.81 | 15.15-1.77+3.37 | 13.44-1.90+3.02 | 3.10-1.11+2.47 | 21.62/15 | |