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) |
|---|---|---|---|---|
| -0.050 | 0.374 | 0.424 | 0.352-0.005+0.005 | 0.184-0.004+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 - 5 | 5.75-0.13+0.13 | 1.96-0.09+0.09 | -0.05-0.23+0.24 | 39.17-1.42+1.30 | ... | 41.36/32 | |||
| 2BB | 1 - 5 | 5.73-0.13+0.13 | 1.96-0.09+0.09 | ... | 5.95-0.98+0.97 | 4.44-0.85+2.18 | 13.36-0.73+0.90 | 1.14-0.21+0.25 | 39.62/31 | |