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) |
|---|---|---|---|---|
| -0.066 | 0.092 | 0.158 | 0.076-0.015+0.015 | 0.036-0.003+0.003 |
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 | 0.71-0.07+0.07 | 1.17-0.14+0.14 | 0.20-1.28+1.62 | 30.26-8.61+4.53 | ... | 5.32/9 | |||
| 2BB | 1 | 0.71-0.07+0.07 | 1.17-0.14+0.15 | ... | 5.16-5.16+-5.16 | 8.74-4.37+1954210669917425152.00 | 10.09-1.98+22.74 | 2.90-1.45+21.56 | 5.33/8 | |