145 citations · 260 across the 3 of their papers we have counts for
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astro-ph.CO2010★ 44 cited
Hot-Dust-Poor Quasars in Mid-Infrared and Optically Selected Samples
Heng Hao, Martin Elvis, Francesca Civano +1
We show that the Hot-Dust-Poor (HDP) quasars, originally found in the X-ray selected XMM-COSMOS type 1 AGN sample, are just as common in two samples selected at optical/infrared wa…
astro-ph.CO2010★ 71 cited
Hot-Dust-Poor Type 1 Active Galactic Nuclei in the COSMOS Survey
Heng Hao, Martin Elvis, Francesca Civano +13
We report a sizable class of type 1 active galactic nuclei (AGNs) with unusually weak near-infrared (1-3μm) emission in the XMM-COSMOS type 1 AGN sample. The fraction of these "hot…