Date: 2015-02-23 15:32:07Quasar Radio astronomy Active galactic nucleus Redshift Blazar BL Lac object Radio galaxy Sloan Digital Sky Survey Halton Arp Astronomy Physical cosmology Physics | | Publications of the Astronomical Society of Australia (PASA) c Astronomical Society of Australia 2015; published by Cambridge University Press. doi: pas.2015.xxx. The Half Million Quasars (HMQ) CatalogueAdd to Reading ListSource URL: quasars.orgDownload Document from Source Website File Size: 867,94 KBShare Document on Facebook
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