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) |
|---|---|---|---|---|
| -0.236 | 0.058 | 0.294 | 0.254-0.007+0.007 | 0.040-0.003+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 | 0.75-0.03+0.03 | 2.17-2.18+3.63 | -0.48-0.38+0.42 | 37.09-3.76+2.95 | ... | 10.87/16 | |||
| 2BB | 1 | 0.75-0.03+0.03 | -38.002.18+-2.18 | ... | 7.67-1.72+1.26 | 14.38-2.50+8.21 | 16.21-2.48+3.45 | 2.72-0.82+1.35 | 11.69/15 | |