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 | 0.350 | 0.392 | 0.296-0.005+0.005 | 0.152-0.004+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 - 5 | 8.15-0.17+0.17 | 3.65-0.12+0.12 | 0.01-0.17+0.18 | 48.52-1.06+1.03 | ... | 65.92/33 | |||
| 2BB | 1 - 5 | 7.94-0.16+0.16 | 3.55-0.11+0.11 | ... | 3.42-0.75+1.09 | 17.01-6.64+39.13 | 13.99-0.35+0.46 | 1.41-0.57+2.11 | 69.69/32 | |