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) |
|---|---|---|---|---|
| -0.124 | 0.066 | 0.190 | 0.108-0.004+0.004 | 0.058-0.004+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 | 1.50-0.05+0.05 | 1.59-0.09+0.09 | 0.59-0.51+0.55 | 32.74-2.42+2.02 | ... | 24.22/13 | |||
| 2BB | 1 | 1.48-0.06+0.05 | 1.56-0.11+0.10 | ... | 1.23-0.92+1.29 | 12848.10-6422.38+0.00 | 9.56-0.33+0.19 | 11.26-5.62+5230.99 | 17.14/12 | |