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) |
|---|---|---|---|---|
| -0.154 | 0.052 | 0.206 | 0.146-0.008+0.008 | 0.074-0.004+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 | 1.48-0.10+0.10 | 1.11-0.10+0.10 | 0.01-0.95+1.09 | 28.52-7.05+4.26 | ... | 6.03/10 | |||
| 2BB | 1 | 1.39-0.10+0.10 | 1.04-0.10+0.10 | ... | 0.42-0.42+2.89 | 7360415834.04-2813598642.73+-3680207917.02 | 9.05-0.56+0.57 | 7.69-3.85+52312.87 | 3.39/9 | |