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) |
|---|---|---|---|---|
| -0.070 | 0.094 | 0.164 | 0.114-0.007+0.007 | 0.054-0.004+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 | 1.29-0.05+0.05 | 1.32-0.09+0.09 | 0.34-0.55+0.61 | 33.59-2.84+2.26 | ... | 13.04/14 | |||
| 2BB | 1 - 2 | 1.29-0.05+0.05 | 1.32-0.09+0.09 | ... | 6.46-2.13+1.73 | 11.86-2.56+15.88 | 11.53-1.42+2.83 | 4.00-1.48+3.39 | 12.78/13 | |