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) |
|---|---|---|---|---|
| -0.012 | 0.608 | 0.620 | 0.514-0.016+0.016 | 0.278-0.004+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 | 8.96-0.16+0.16 | 2.21-0.08+0.08 | -0.24-0.14+0.15 | 46.12-0.98+0.95 | ... | 33.27/33 | |||
| 2BB | 1 - 5 | 8.82-0.15+0.15 | 2.17-0.08+0.08 | ... | 6.58-0.92+1.03 | 4.41-0.75+1.46 | 15.48-0.74+1.07 | 1.09-0.14+0.14 | 41.94/32 | |