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Fabio Pacucci and Abraham Loeb 2019 ApJL 870 L12

The discovery of the first strongly lensed quasar at z > 6 indicates the potential presence of a substantial population of lensed z > 6 quasars misclassified and mixed up with low-z galaxies.

Alan Dressler et al 2018 ApJ 869 152

Late Bloomer galaxies — massive galaxies at z < 1 that formed the majority of their stars within ~2 Gyr of the epoch of observation — account for ~20% of z ~ 0.6 galaxies with masses of the modern Milky Way.

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