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 | 0.182 | 0.244 | 0.166-0.040+0.040 | 0.032-0.003+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 - 3 | 0.90-0.03+0.03 | 1.67-0.10+0.10 | -0.38-0.53+0.58 | 30.66-4.50+3.23 | ... | 12.75/17 | |||
| 2BB | 1 - 3 | 0.90-0.03+0.03 | 1.67-0.10+0.10 | ... | 5.54-1.36+1.44 | 12.70-3.30+13.40 | 11.97-1.26+2.12 | 2.86-0.64+1.52 | 12.33/16 | |