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Fig. 3.

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Sky footprint of the data reported by BOSS LOWZ (top), BOSS CMASS (second), and the three eBOSS samples: LRG and QSO (third), and ELG (bottom). The representation uses a mollweide projection in equatorial coordinates (J2000), with a rotation of 90° along the z axis. The footprints on the left and right sides correspond to the north and south Galactic caps, respectively.

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