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 | 0.800 | 0.832 | 0.662-0.016+0.016 | 0.370-0.012+0.012 |
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 | 9.23-0.14+0.14 | 1.61-0.06+0.06 | -0.20-0.13+0.14 | 37.54-0.81+0.77 | ... | 35.70/34 | |||
| 2BB | 1 - 5 | 9.18-0.14+0.14 | 1.61-0.06+0.06 | ... | 6.02-0.55+0.56 | 5.96-0.68+1.06 | 13.27-0.52+0.63 | 1.50-0.12+0.15 | 38.54/33 | |