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) |
|---|---|---|---|---|
| -0.376 | 0.122 | 0.498 | 0.154-0.007+0.007 | 0.072-0.004+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 - 2 | 2.30-0.06+0.06 | 1.83-0.09+0.09 | 0.02-0.38+0.40 | 29.34-2.29+1.90 | ... | 12.78/14 | |||
| 2BB | 1 - 2 | 2.30-0.06+0.06 | 1.83-0.09+0.09 | ... | 4.66-1.02+1.09 | 34.18-9.19+37.21 | 10.18-0.57+0.77 | 8.61-2.58+3.83 | 11.36/13 | |