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The clustering of AGNs and galaxies at intermediate redshift

机译:The clustering of AGNs and galaxies at intermediate redshift

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摘要

Galaxies in the environments of 69 0.2 < z < 0.7, UBR-selected active galactic nuclei (AGNs) have been imaged to By applying photometric redshifts and color selection criteria to the galaxy B-J similar to 23.5. catalog, the AGN-galaxy cross-correlation function has been measured as a function of galaxy type. The spatial cross-correlation of AGNs with red (early-type) galaxies is comparable to the autocorrelation function of elliptical galaxies at low redshift. In contrast, the cross-correlation of AGNs with blue (late-type) galaxies is weak and has been detected with low signifcance. Since blue galaxies dominate B-J similar to 23.5 galaxy catalogs, the cross-correlation of UBR-selected AGNs with all galaxies is weak at intermediate redshifts. References: 40

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