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) |
|---|---|---|---|---|
| -0.246 | 0.160 | 0.406 | 0.224-0.006+0.006 | 0.112-0.004+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 - 2 | 2.38-0.07+0.07 | 1.36-0.08+0.08 | -0.07-0.49+0.53 | 28.21-3.31+2.56 | ... | 25.65/14 | |||
| 2BB | 1 - 2 | 2.40-0.07+0.07 | 1.37-0.08+0.08 | ... | 2.50-0.93+0.95 | 199.71-90.20+12115.81 | 9.41-0.37+0.42 | 8.90-4.41+36.06 | 19.74/13 | |