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) |
|---|---|---|---|---|
| -0.074 | 0.096 | 0.170 | 0.116-0.004+0.004 | 0.060-0.004+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 | 1.50-0.04+0.04 | 1.34-0.08+0.08 | -0.42-0.40+0.42 | 31.23-3.67+2.87 | ... | 9.80/16 | |||
| 2BB | 1 - 2 | 1.50-0.04+0.04 | 1.34-0.08+0.08 | ... | 3.38-0.85+0.94 | 72.71-27.38+260.52 | 11.20-0.51+0.59 | 6.30-2.69+7.82 | 4.96/15 | |