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) |
|---|---|---|---|---|
| -0.220 | 0.264 | 0.484 | 0.310-0.052+0.052 | 0.082-0.011+0.011 |
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 - 4 | 0.89-0.05+0.05 | 0.91-0.09+0.09 | -0.53-0.31+0.33 | 83.16-5.97+7.00 | ... | 13.97/24 | |||
| 2BB | 1 - 4 | 0.83-0.04+0.04 | 0.84-0.08+0.08 | ... | 10.04-2.52+2.36 | 2.62-0.59+1.93 | 27.71-3.37+4.69 | 0.47-0.09+0.16 | 15.53/23 | |