Astrophysics - Cosmology and Nongalactic Astrophysics

The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V

The Tenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Apache Point Observatory Galactic Evolution Experiment

The Ninth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Baryon Oscillation Spectroscopic Survey

Constraints on the Universal C IV Mass Density at z åisebox-0.5ex~ 6 from Early Infrared Spectra Obtained with the Magellan FIRE Spectrograph