2024
DAVOS: Dwarf Active Galactic Nuclei from Variability for the Origins of Seeds: Properties of Variability-selected Active Galactic Nuclei in the COSMOS Field and Expectations for the Rubin Observatory
Burke C, Liu Y, Ward C, Liu X, Natarajan P, Greene J. DAVOS: Dwarf Active Galactic Nuclei from Variability for the Origins of Seeds: Properties of Variability-selected Active Galactic Nuclei in the COSMOS Field and Expectations for the Rubin Observatory. The Astrophysical Journal 2024, 971: 140. DOI: 10.3847/1538-4357/ad54ca.Peer-Reviewed Original ResearchActive galactic nucleiBlack holeGalactic nucleiCOSMOS fieldIntermediate-mass black hole candidatesHost galaxy stellar massVirial black hole massesVariable active galactic nucleiHyper Suprime-Cam Subaru Strategic ProgramBroad-line widthsStellar mass relationBlack hole candidatesBlack hole massCentral black holeHigh-precision photometryGalaxy stellar massStellar mass estimatesLow-mass galaxiesEarly-type galaxiesSubaru Strategic ProgramBroad-lineHole massStellar massActive galaxiesMass relation
2023
Evidence for heavy-seed origin of early supermassive black holes from a z ≈ 10 X-ray quasar
Bogdán Á, Goulding A, Natarajan P, Kovács O, Tremblay G, Chadayammuri U, Volonteri M, Kraft R, Forman W, Jones C, Churazov E, Zhuravleva I. Evidence for heavy-seed origin of early supermassive black holes from a z ≈ 10 X-ray quasar. Nature Astronomy 2023, 8: 126-133. DOI: 10.1038/s41550-023-02111-9.Peer-Reviewed Original ResearchFirst black holesSupermassive black holesStellar massBlack holesBH massBig BangHost galaxy stellar massChandra X-ray ObservatoryJames Webb Space TelescopeEarly supermassive black holesGalaxy stellar massStellar mass ratioX-ray ObservatoryMassive black holesHigh BH massesObservations of quasarsX-ray quasarsLarge black holesFirst starsLocal UniverseAbell 2744Host galaxiesSpace TelescopeEddington limitRedshift z
2022
Dwarf AGNs from variability for the origins of seeds (DAVOS): Intermediate-mass black hole demographics from optical synoptic surveys
Burke C, Shen Y, Liu X, Natarajan P, Caplar N, Bellovary J, Wang Z. Dwarf AGNs from variability for the origins of seeds (DAVOS): Intermediate-mass black hole demographics from optical synoptic surveys. Monthly Notices Of The Royal Astronomical Society 2022, 518: 1880-1904. DOI: 10.1093/mnras/stac2478.Peer-Reviewed Original ResearchActive galactic nucleiStellar massDwarf galaxiesIMBH massOptical variabilityRubin ObservatoryHost galaxy stellar massVariable active galactic nucleiHost stellar massGalaxy stellar massVera C. Rubin ObservatorySpectral energy distributionBlack hole massMock light curvesBlack hole demographicsGalactic nucleiMonte Carlo modelLuminosity functionHole massLight curvesRapid variabilitySurvey sensitivityEnergy distributionObservational constraintsMass range
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