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) |
|---|---|---|---|---|
| -0.032 | 0.210 | 0.242 | 0.126-0.018+0.018 | 0.036-0.003+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 | 1.13-0.04+0.04 | 1.63-0.10+0.10 | -1.00-0.42+0.45 | 28.07-7.09+4.81 | ... | 16.95/16 | |||
| 2BB | 1 - 2 | 1.11-0.04+0.04 | 1.61-0.10+0.10 | ... | 4.41-1.29+1.34 | 29.64-10.17+93.28 | 12.65-1.06+1.41 | 3.66-1.46+2.44 | 16.86/15 | |