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) |
|---|---|---|---|---|
| -0.034 | 0.078 | 0.112 | 0.082-0.004+0.004 | 0.046-0.003+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 | 1.40-0.04+0.04 | 1.96-0.10+0.10 | 0.49-0.42+0.45 | 37.15-1.70+1.50 | ... | 14.18/17 | |||
| 2BB | 1 - 2 | 1.38-0.04+0.04 | 1.94-0.10+0.10 | ... | 2.70-1.42+2.19 | 93.39-44.75+76551.42 | 10.56-0.39+0.57 | 7.88-3.93+48.66 | 13.10/16 | |