... masses and physical extents of dark matter galaxy halos (photons as tracers of the potential) ... Brainerd, Blandford & Smail 1996, ApJ, 466, 623 ('BBS' ...
Link galaxies to their host halos ... start to see 'two-halo' term unless galaxies are truly isolated ... need to use isolated galaxies in g-g analysis, must ...
High-resolution IR and optical data. Strongly lensed galaxies in SDSS ... Forming multiple images of arc and knots. Red galaxy SED at low-z. Different SED at high-z ...