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) |
|---|---|---|---|---|
| -0.104 | 0.068 | 0.172 | 0.104-0.004+0.004 | 0.052-0.003+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 | 1.45-0.05+0.05 | 1.58-0.09+0.09 | -0.48-0.44+0.48 | 33.55-4.09+3.01 | ... | 13.21/17 | |||
| 2BB | 1 - 2 | 1.46-0.05+0.05 | 1.59-0.10+0.10 | ... | 8.31-1.86+0.87 | 10.73-1.41+4.96 | 18.48-5.06+6.43 | 1.22-0.48+2.32 | 13.37/16 | |