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) |
|---|---|---|---|---|
| -0.056 | 0.146 | 0.202 | 0.086-0.005+0.005 | 0.046-0.003+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 - 2 | 2.16-0.06+0.06 | 2.83-0.13+0.14 | -0.67-0.36+0.38 | 33.67-3.95+2.98 | ... | 14.21/16 | |||
| 2BB | 1 - 2 | 2.13-0.06+0.06 | 2.80-0.13+0.13 | ... | 4.73-1.09+1.33 | 36.07-11.44+36.84 | 12.80-0.78+1.16 | 5.75-1.93+3.02 | 14.75/15 | |