Fig. 1 from Galaxy Clusters in the Line of Sight to Background Quasars. I. Survey Design and Incidence of Mg II Absorbers at Cluster Redshifts

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Galaxy Clusters in the Line of Sight to Background Quasars. I. Survey Design and Incidence of Mg II Absorbers at Cluster Redshifts

Authors: S. Lopez, L. F. Barrientos, P. Lira, N. Padilla, D. G. Gilbank, M. D. Gladders, J. Maza, N. Tejos, M. Vidal, and H. K. C. Yee

Lopez et al. 2008 The Astrophysical Journal 679 1144.

Provider: AAS Journals

Caption: Fig. 1.

Left: Number of quasar‐cluster pairs in the SDSS‐RCS sample as a function of the projected physical distance between cluster and quasar LOS at cluster redshift. The line is the expectation for constant projected number density of pairs. Right: Redshift distribution (normalized to maximum frequency) of clusters in the SDSS‐RCS sample and of Mg II absorbers in PPB06.

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