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) |
|---|---|---|---|---|
| -0.050 | 0.148 | 0.198 | 0.088-0.041+0.041 | 0.022-0.003+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 | 0.44-0.03+0.04 | 1.08-0.11+0.13 | -1.33-0.52+0.98 | 24.13-24.13+10.45 | ... | 6.93/10 | |||
| 2BB | 1 | 0.44-0.04+0.07 | 1.08-0.13+0.23 | ... | 6.91-5.48+2.08 | 9.08-2.60+0.00 | 16.90-15.91+-16.90 | 1.12-0.56+2.02 | 7.69/9 | |