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) |
|---|---|---|---|---|
| -0.126 | 1.168 | 1.294 | 0.966-0.025+0.025 | 0.510-0.016+0.016 |
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 | 10.90-0.13+0.13 | 1.33-0.05+0.05 | 0.33-0.16+0.16 | 36.31-0.66+0.62 | ... | 38.97/32 | |||
| 2BB | 1 - 5 | 10.90-0.13+0.13 | 1.32-0.05+0.05 | ... | 5.25-0.98+1.13 | 7.22-1.58+4.75 | 11.25-0.40+0.63 | 2.44-0.58+0.54 | 40.40/31 | |