astrometry, post-starburst atlas, morphology

Morad, Sam, and I worked out a stellar quadrangle indexing scheme that is scale, translation, and rotation-free, in preparation for our attack on the blind astrometry problem. We think the "toy" problem of solving all SDSS astrometry will be trivial, but we might be fooling ourselves.

I started (re-) building the atlas of post-starburst galaxies in the low-redshift subsample of the NYU-VAGC today, in preparation for comparing post-starburst (spectral) and interaction (morphological) signatures.

I promised Paul Schechter that I would produce a set of images from SDSS organized by morphological type. I will use the RC3 as my basis.

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