What question did this study set out to answer?

The aim is to investigate the dark matter halo environments of galaxies hosting active galactic nuclei using halo occupation distribution modeling.

Cross-correlation of Luminous Red Galaxies with ML-selected Active Galactic Nuclei in HSC-SSP. III. HOD Parameters for Type I and Type II Quasars

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This analysis uncovers halo properties of Type I and II quasars in different environments, suggesting implications for AGN models.

The aim is to investigate the dark matter halo environments of galaxies hosting active galactic nuclei using halo occupation distribution modeling.
Applied halo occupation distribution modeling to analyze angular cross-correlation functions.
Examined a data set comprising luminous red galaxies and Hyper Suprime-Cam selected AGNs.
Compared clustering patterns of Type I and Type II AGNs at redshifts ranging from 0.7 to 1.0.
Type I AGNs reside in significantly more massive halos than Type II AGNs (∼3× difference in mass).
Type II AGNs show one-halo correlations similar to typical galaxies, while Type I AGNs exhibit a shallower clustering signal.
In satellite galaxies, Type I AGNs are notably less frequent than Type II AGNs, posing a challenge to unified AGN morphological models.

Rosado et al. (2026) studied this question.

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