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) |
|---|---|---|---|---|
| -0.144 | 0.162 | 0.306 | 0.244-0.008+0.008 | 0.140-0.006+0.006 |
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 - 3 | 2.64-0.07+0.07 | 1.47-0.09+0.09 | -0.16-0.44+0.47 | 29.08-2.93+2.29 | ... | 14.14/17 | |||
| 2BB | 1 - 3 | 2.62-0.07+0.07 | 1.47-0.08+0.08 | ... | 4.16-1.41+1.83 | 30.85-11.41+164.81 | 10.03-0.62+1.26 | 6.56-2.89+5.33 | 14.22/16 | |