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) |
|---|---|---|---|---|
| -0.036 | 0.018 | 0.054 | 0.042-0.004+0.004 | 0.020-0.003+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 | 0.56-0.04+0.04 | 1.37-0.13+0.14 | -0.54-0.93+1.18 | 33.17-12.35+6.00 | ... | 5.00/11 | |||
| 2BB | 1 | 0.53-0.04+0.05 | 1.29-0.12+0.15 | ... | 0.79-0.78+24.72 | 421515.33-210751.24+-210757.67 | 10.62-0.83+0.88 | 2.54-0.61+3981.96 | 4.67/10 | |