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- W2992000094 endingPage "71" @default.
- W2992000094 startingPage "71" @default.
- W2992000094 abstract "Clustering measurements of obscured and unobscured quasars show that obscured quasars reside in more massive dark matter halos than their unobscured counterparts. These results are inconsistent with simple unified (torus) scenarios, but might be explained by models in which the distribution of obscuring material depends on Eddington ratio or galaxy stellar mass. We test these possibilities by constructing simple physical models to compare to observed AGN populations. We find that previously observed relationships between obscuration and Eddington ratio or stellar mass are not sufficient reproduce the observed quasar clustering results ($langle log M_{text{halo}}/M_{odot} rangle = 12.94 ^{+ 0.10}_{- 0.11}$ and $langle log M_{text{halo}}/M_{odot} rangle = 12.49 ^{+ 0.08}_{- 0.08}$ for obscured and unobscured populations, respectively) while maintaining the observed fraction of obscured quasars (30-65$%$). This work suggests that evolutionary models, in which obscuration evolves on the typical timescale for black hole growth, are necessary to understand the observed clustering of mid-IR selected quasars." @default.
- W2992000094 created "2019-12-13" @default.
- W2992000094 creator A5008752570 @default.
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- W2992000094 creator A5043436572 @default.
- W2992000094 creator A5081767701 @default.
- W2992000094 creator A5085763615 @default.
- W2992000094 date "2020-01-09" @default.
- W2992000094 modified "2023-10-18" @default.
- W2992000094 title "Physical Models for the Clustering of Obscured and Unobscured Quasars" @default.
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