Schiminovich and I realized that we have a few very simple things we can work out using our GALEX photometry of SDSS photometric quasars, not the least of which is an estimate of the extragalactic ionizing radiation impinging on the outskirts of the Milky Way, broken down by redshift (and quasar luminosity, and other things). Schiminovich was appointed to draft paper 1.
With Ben Johnson (Cambridge), Wu, Schiminovich, and I discussed the physical meanings of infrared lines. Johnson has run a large grid of models and can make plots that put Wu's line measurements into some kind of physical context.
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