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) |
|---|---|---|---|---|
| -0.042 | 0.080 | 0.122 | 0.096-0.007+0.007 | 0.050-0.003+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 | 1.45-0.04+0.05 | 1.64-0.10+0.10 | 0.65-0.45+0.48 | 38.17-1.97+1.74 | ... | 12.12/16 | |||
| 2BB | 1 - 2 | 1.45-0.04+0.04 | 1.64-0.09+0.09 | ... | 5.65-1.92+2.31 | 13.89-4.26+34.33 | 11.47-0.74+1.38 | 5.55-2.03+4.77 | 11.51/15 | |