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) |
|---|---|---|---|---|
| -0.088 | 0.070 | 0.158 | 0.090-0.004+0.004 | 0.044-0.003+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 | 1.32-0.04+0.04 | 1.69-0.10+0.10 | 0.52-0.48+0.52 | 34.61-2.13+1.79 | ... | 5.91/14 | |||
| 2BB | 1 - 2 | 1.32-0.04+0.04 | 1.69-0.10+0.10 | ... | 5.73-2.56+2.54 | 14.97-4.13+90.93 | 10.80-0.94+3.11 | 6.09-2.33+4.79 | 5.86/13 | |