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- W4298552322 abstract "The most heavily-obscured, luminous quasars might represent a specific phase of the evolution of actively accreting supermassive black holes and their host galaxies, possibly related to mergers. We investigated a sample of the most luminous quasars at $zapprox 1-3$ in the GOODS fields, selected in the mid-infrared band through detailed spectral energy distribution (SED) decomposition. The vast majority of these quasars (~80%) are obscured in the X-ray band and ~30% of them to such an extent, that they are undetected in some of the deepest (2 and 4 Ms) Chandra X-ray data. Although no clear relation is found between the star-formation rate of the host galaxies and the X-ray obscuration, we find a higher incidence of heavily-obscured quasars in disturbed/merging galaxies compared to the unobscured ones, thus possibly representing an earlier stage of evolution, after which the system is relaxing and becoming unobscured." @default.
- W4298552322 created "2022-10-02" @default.
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- W4298552322 date "2017-12-19" @default.
- W4298552322 modified "2023-10-16" @default.
- W4298552322 title "Luminous and obscured quasars and their host galaxies" @default.
- W4298552322 doi "https://doi.org/10.48550/arxiv.1712.07250" @default.
- W4298552322 hasPublicationYear "2017" @default.
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