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) |
|---|---|---|---|---|
| -0.162 | 0.072 | 0.234 | 0.120-0.011+0.011 | 0.030-0.003+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 | 0.66-0.04+0.04 | 1.19-0.10+0.10 | -0.03-0.79+1.01 | 30.02-4.85+3.18 | ... | 7.52/11 | |||
| 2BB | 1 | 0.67-0.04+0.04 | 1.22-0.10+0.10 | ... | 6.92-1.19+0.98 | 11.20-1.90+4.07 | 14.30-3.30+5.51 | 1.59-0.67+2.91 | 6.03/10 | |