David Schiminovich (Columbia) and Ben Johnson (Columbia) came down for the morning and lunch ostensibly to discuss their big Spitzer/IRS program on SDSS galaxies, but, as always we spent the entire time talking about galaxy evolution (and philosophy). Interestingly, I think they are the only people in the world doing a large infrared spectroscopy program on a wide range of optically selected normal galaxies—most large Spitzer programs are aimed at IR-luminous sources like ULIRGs and AGN. They bought my lunch, which was not commensurate with the lack of help I gave them on their IRS data—thanks!
I started to take a look at an old paper by McIntosh et al that might have something to say about my ideas about using central stellar densities to put hard constraints on galaxy evolution scenarios.
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