- SIE mass model, SV, Phi, Ellipticity, Z_l.
- The images of the lens galaxy, Sersic or de V model.
- The right magnitude of the image. Chromatic images?
- Redshifts of both sources, Z_s1, Z_s2.
- Magnitudes of both sources.
- Positions of all the lensed images.
- Basic Lens modeling to produce realistic image.
- Realistic PSF for this system.
- Realistic Noise for this system.
- Realistic SED, or colors of this system?
- Lenstool.
- Gravlens.
- Suyu’s Pipeline.