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) |
|---|---|---|---|---|
| -0.096 | 0.046 | 0.142 | 0.096-0.007+0.007 | 0.026-0.003+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 | 0.66-0.03+0.03 | 1.31-0.09+0.09 | 0.12-0.66+0.75 | 36.56-3.93+2.88 | ... | 14.82/11 | |||
| 2BB | 1 | 0.67-0.03+0.03 | 1.32-0.10+0.10 | ... | 8.63-2.98+1.28 | 8.92-1.39+6.97 | 17.20-11.55+180.23 | 1.24-0.62+5.92 | 14.48/10 | |