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 | 0.080 | 0.122 | 0.094-0.006+0.006 | 0.040-0.003+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 - 2 | 1.89-0.06+0.06 | 2.62-0.13+0.13 | -0.62-0.27+0.29 | 41.13-3.01+2.55 | ... | 26.08/19 | |||
| 2BB | 1 - 2 | 1.88-0.06+0.06 | 2.61-0.13+0.13 | ... | 7.49-1.32+1.09 | 13.92-2.34+6.14 | 17.42-1.82+2.05 | 2.52-0.43+0.65 | 28.58/18 | |