drphilmarshall
commented
9 years ago Notes from skype call between @tcollett and @drphilmarshall:
- Rate-limiting step might be the calculation of the shear at the lensed image positions: can this be sped up with look-up tables, and by separating out the mass parameters?
- H0LiCOW may not be able to wait for WL calibration, but better treatment of groups and clusters may already help, s.t. Pangloss could be applied to that dataset (in the SL correction).
- It's not clear that the WL log likelihood weighting will be all that time-consuming, but a simple feasibility calculation will clear that up.
- When will be ready to apply to real data? Tests on CFHTLS? Realistic input uncertainties on zp and Mstar etc will become important at that point - also galaxy shapes etc
I now need to update the wiki pages with these thoughts.
Hey @tcollett, do you have comments/queries on the SDSI-sponsored weak lensing / hierarchical inference project described on the wiki here? If you have time to work on this with us in the coming year it would be great to carry on collaborating :-) At the very least, we have the H0LiCOW application to consider.
(Linked from the super-issue at #18)