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) |
|---|---|---|---|---|
| -0.070 | 0.132 | 0.202 | 0.142-0.006+0.006 | 0.070-0.004+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 | 1.91-0.05+0.05 | 1.60-0.09+0.09 | -1.01-0.31+0.33 | 26.55-4.68+3.52 | ... | 22.30/18 | |||
| 2BB | 1 - 2 | 1.90-0.05+0.05 | 1.59-0.09+0.09 | ... | 5.38-0.78+0.86 | 28.62-6.00+13.42 | 13.01-0.92+1.29 | 4.68-0.77+1.11 | 23.69/17 | |