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) |
|---|---|---|---|---|
| -0.394 | 0.282 | 0.676 | 0.316-0.008+0.008 | 0.156-0.004+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 - 5 | 6.02-0.12+0.12 | 2.51-0.11+0.11 | 0.69-0.30+0.32 | 38.21-1.13+1.04 | ... | 57.61/32 | |||
| 2BB | 1 - 5 | 5.98-0.13+0.13 | 2.49-0.11+0.11 | ... | 2.10-0.70+0.73 | 90.17-41.55+653.31 | 10.73-0.25+0.26 | 1.95-0.97+11.16 | 44.98/31 | |