redshifts and multiple redshifts

Today Tsalmantza and I got results on two projects: We found quasars with potential double-redshifts (that is, double quasars) with our data-driven quasar model, and we determined low-redshift quasar redshifts with great precision, with this same model. In the former project, the idea is to do a two-quasar vs one-quasar hypothesis test for every quasar. In the latter project, the question is whether we can make narrow-line-quality redshift determinations of quasars for which the narrow lines are not visible. Both projects look promising; we ended the day pretty optmistic.

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