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) |
|---|---|---|---|---|
| -0.018 | 0.422 | 0.440 | 0.378-0.006+0.006 | 0.204-0.004+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 - 5 | 6.41-0.13+0.13 | 2.03-0.09+0.09 | -0.24-0.18+0.19 | 41.44-1.17+1.11 | ... | 38.94/34 | |||
| 2BB | 1 - 5 | 6.33-0.14+0.14 | 2.00-0.09+0.09 | ... | 6.07-0.98+1.16 | 4.44-0.86+1.84 | 14.07-0.82+1.30 | 1.11-0.16+0.18 | 43.85/33 | |