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) |
|---|---|---|---|---|
| -0.062 | 1.680 | 1.742 | 1.408-0.016+0.016 | 0.652-0.016+0.016 |
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 - 7 | 26.20-0.22+0.22 | 2.25-0.08+0.08 | 0.15-0.08+0.08 | 38.27-0.39+0.38 | ... | 38.87/34 | |||
| 2BB | 1 - 7 | 26.10-0.23+0.23 | 2.24-0.08+0.08 | ... | 5.86-0.52+0.52 | 9.16-0.97+1.54 | 12.42-0.32+0.38 | 2.87-0.21+0.21 | 50.83/33 | |