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) |
|---|---|---|---|---|
| -0.032 | 0.784 | 0.816 | 0.622-0.016+0.016 | 0.306-0.006+0.006 |
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 | 11.50-0.16+0.16 | 2.32-0.09+0.09 | -0.34-0.16+0.17 | 38.80-1.35+1.24 | ... | 16.42/21 | |||
| 2BB | 1 - 4 | 11.50-0.16+0.16 | 2.32-0.09+0.09 | ... | 7.05-0.67+0.64 | 20.68-2.36+3.91 | 15.19-0.76+0.88 | 4.56-0.45+0.58 | 18.13/20 | |