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astro-ph2008★ 4 cited
The 2dF Redshift Survey II: UGC 8584 - Redshift Periodicity and Rings
H. Arp, C. Fulton
UGC 8584 was selected by a computer program as having a number of quasars around it that obeyed the Karlsson periodicity in its reference frame. On closer examination 9 of the near…
astro-ph2008★ 1 cited
A Cluster of High Redshift Quasars with Apparent Diameter 2.3 Degrees
H. Arp, C. Fulton
During analysis of the relation of quasars to galaxies in the 2dF deep field a concentration of quasars was noted. Most striking was the closeness in redshift of 14 quasars about t…
astro-ph2005★ 2 cited
Periodicities of Quasar Redshifts in Large Area Surveys
H. Arp, C. Fulton, D. Roscoe
We test the periodicity of quasar redshifts in the 2dF and SDSS surveys. In the overall surveys redshift peaks are already apparent in the brighter quasars. But by analyzing sample…