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) |
|---|---|---|---|---|
| -0.130 | 0.288 | 0.418 | 0.320-0.013+0.013 | 0.150-0.007+0.007 |
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 - 4 | 3.09-0.06+0.06 | 1.59-0.08+0.08 | 0.54-0.38+0.40 | 29.42-1.58+1.36 | ... | 8.85/17 | |||
| 2BB | 1 - 4 | 3.09-0.06+0.06 | 1.59-0.08+0.08 | ... | 4.29-1.66+1.80 | 28.23-9.59+224.13 | 9.03-0.45+0.88 | 9.42-4.02+7.57 | 8.22/16 | |