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) |
|---|---|---|---|---|
| -0.208 | 0.162 | 0.370 | 0.172-0.011+0.011 | 0.066-0.003+0.003 |
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 | 1.78-0.05+0.05 | 1.56-0.09+0.09 | 0.02-0.48+0.54 | 32.07-3.09+2.43 | ... | 15.16/14 | |||
| 2BB | 1 - 2 | 1.77-0.05+0.05 | 1.56-0.09+0.09 | ... | 2.36-2.04+1.39 | 192.98-91.71+0.00 | 10.07-0.43+0.53 | 6.48-3.23+61.25 | 12.01/13 | |