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) |
|---|---|---|---|---|
| -0.140 | 0.376 | 0.516 | 0.264-0.021+0.021 | 0.158-0.004+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 - 4 | 1.89-0.05+0.05 | 2.04-0.10+0.10 | -1.20-0.30+0.33 | 21.13-5.34+4.03 | ... | 17.41/19 | |||
| 2BB | 1 - 4 | 1.88-0.05+0.05 | 2.03-0.10+0.10 | ... | 5.81-0.78+0.70 | 19.68-3.29+7.29 | 13.36-1.31+1.61 | 2.88-0.50+0.71 | 19.21/18 | |