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) |
|---|---|---|---|---|
| -0.066 | 0.062 | 0.128 | 0.088-0.008+0.008 | 0.038-0.003+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 | 0.91-0.04+0.04 | 1.26-0.09+0.09 | -0.21-0.62+0.70 | 31.18-5.08+3.56 | ... | 12.54/11 | |||
| 2BB | 1 | 0.90-0.04+0.04 | 1.25-0.09+0.09 | ... | 3.01-2.55+2.48 | 79.79-38.08+0.00 | 10.46-0.81+1.34 | 6.05-2.99+41.71 | 11.34/10 | |