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) |
|---|---|---|---|---|
| -0.026 | 0.080 | 0.106 | 0.090-0.004+0.004 | 0.052-0.003+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 | 1.17-0.04+0.04 | 1.51-0.09+0.09 | 0.13-0.42+0.45 | 34.04-2.21+1.85 | ... | 21.33/17 | |||
| 2BB | 1 - 2 | 1.16-0.04+0.04 | 1.51-0.09+0.09 | ... | 5.51-1.90+2.31 | 16.96-4.66+37.35 | 11.26-1.00+3.14 | 5.42-1.19+2.67 | 21.67/16 | |