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) |
|---|---|---|---|---|
| -0.038 | 0.156 | 0.194 | 0.152-0.004+0.004 | 0.078-0.004+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 - 3 | 3.14-0.07+0.07 | 2.28-0.10+0.10 | -0.33-0.23+0.24 | 33.69-1.88+1.67 | ... | 13.60/19 | |||
| 2BB | 1 - 3 | 3.13-0.07+0.07 | 2.27-0.10+0.10 | ... | 4.54-0.73+0.78 | 41.47-10.28+28.93 | 12.13-0.50+0.59 | 6.87-1.74+2.41 | 9.61/18 | |