The top documents tagged [background qso spectrum]

Joseph F. Hennawi UC Berkeley & OSU October 3, 2007 Xavier Prochaska (UCSC) Quasars Probing Quasars.

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Quasars Probing Quasars Joseph F. Hennawi Berkeley Hubble Symposium April 20, 2006 z = 2.53 z = 2.44 f/g QSO b/g QSO RR

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