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) |
|---|---|---|---|---|
| -0.052 | 0.330 | 0.382 | 0.324-0.005+0.005 | 0.156-0.004+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 | 5.86-0.14+0.14 | 2.37-0.10+0.10 | -0.26-0.22+0.23 | 42.60-1.55+1.42 | ... | 33.80/32 | |||
| 2BB | 1 - 5 | 5.75-0.13+0.13 | 2.32-0.10+0.10 | ... | 4.52-0.83+1.03 | 7.44-2.17+7.10 | 13.58-0.52+0.67 | 1.18-0.36+0.61 | 33.51/31 | |