Photometric Objects Around Cosmic Webs (PAC). VI. High Satellite Fraction of Quasars

Shanquan Gui,Kun Xu, Y. P. Jing, Donghai Zhao,Hongyu Gao

The Astrophysical Journal（2023）

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摘要

The Photometric objects Around Cosmic webs (PAC) approach developed in Xu et al. (2022b) has the advantage of making full use of spectroscopic and deeper photometric surveys. With the merits of PAC, the excess surface density n̅_2w_p of neighboring galaxies can be measured down to stellar mass 10^10.80 M_⊙ around quasars at redshift 0.8更多

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关键词

AGN host galaxies,Stellar mass functions,Quasars,Active galaxies

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