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Showing 1 to 1 of 1 for “"quasars: general"”.

  1. A synoptic survey of narrow quasar absorption lines from the Sloan Digital Sky Survey

    Hacker, Troy L.University of Illinois at Urbana-Champaign2012

    … repeat spectroscopic observations of quasars. Recently the SDSS released over 5,000 quasar spectra that were serendipitously observed on multiple nights with time separations ranging from days to years. This data set represents the largest population of repeat quasar spectra ever …

    uiuc Repository record