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 | 1.296 | 1.384 | 1.076-0.016+0.016 | 0.520-0.016+0.016 |
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 - 6 | 20.00-0.20+0.21 | 2.45-0.08+0.08 | -0.08-0.09+0.10 | 45.68-0.60+0.58 | ... | 47.05/32 | |||
| 2BB | 1 - 6 | 19.80-0.21+0.21 | 2.44-0.08+0.08 | ... | 7.45-0.68+0.64 | 5.36-0.51+0.83 | 15.79-0.60+0.71 | 1.47-0.09+0.11 | 60.90/31 | |