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) |
|---|---|---|---|---|
| -0.042 | 0.122 | 0.164 | 0.120-0.004+0.004 | 0.064-0.003+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 | 2.53-0.06+0.06 | 2.15-0.10+0.10 | 0.34-0.31+0.32 | 43.40-1.48+1.37 | ... | 9.99/18 | |||
| 2BB | 1 - 2 | 2.54-0.06+0.07 | 2.15-0.10+0.10 | ... | 9.23-3.36+1.52 | 11.58-1.45+9.89 | 16.38-3.32+10.64 | 2.90-1.36+3.44 | 10.54/17 | |