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) |
|---|---|---|---|---|
| -0.116 | 0.076 | 0.192 | 0.140-0.005+0.005 | 0.068-0.005+0.005 |
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 | 1.37-0.06+0.06 | 1.23-0.08+0.08 | 1.05-0.76+0.88 | 31.46-2.56+2.00 | ... | 7.52/11 | |||
| 2BB | 1 | 1.37-0.06+0.06 | 1.23-0.08+0.08 | ... | 6.66-6.66+-6.66 | 13.43-6.71+5.56 | 9.75-9.75+33.60 | 6.61-3.30+92.42 | 7.44/10 | |