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) |
|---|---|---|---|---|
| -0.056 | 0.118 | 0.174 | 0.148-0.005+0.005 | 0.082-0.004+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 - 2 | 1.78-0.05+0.05 | 1.43-0.08+0.08 | 0.54-0.42+0.44 | 30.48-1.62+1.39 | ... | 20.32/17 | |||
| 2BB | 1 - 2 | 1.77-0.05+0.05 | 1.42-0.08+0.08 | ... | 4.19-1.50+2.87 | 31.07-11.21+144.99 | 9.15-0.46+2.23 | 10.78-4.60+10.55 | 20.24/16 | |