Luis C. Ho (何子山)

Director, University Chair Professor

Room:

207

Email:

Research interests:

processes in galactic nuclei, accretion disks and jets, massive black holes, origin of the Hubble sequence, extragalactic star formation, star clusters, interstellar medium

Homepage:

http://kavli.pku.edu.cn/~lho

The central engine of nearby AGNs (Ho 2008).

Images from the Carnegie-Irvine Galaxy Survey (Ho et al. 2011).

Research Highlights:

Prior to joining KIAA, Luis Ho was a Staff Astronomer for 15 years at the Observatories of the Carnegie Institution for Science. His research covers a wide range of different, but interrelated areas, using all available observational techniques spanning from radio to X-ray energies. He actively uses ground-based telescopes and space-based astronomical satellites. The main topics of his research, published in over 350 refereed papers, include: (1) active galaxies and quasars, including the physics of emission-line regions, accretion disks, jets, and host galaxies; (2) searches for massive black holes, from star clusters to the centers of galaxies; (3) coevolution of black holes and galaxies, black hole scaling relations, and AGN feedback; (4) galaxy structure and the origin of the Hubble sequence; (5) extragalactic star formation; and (6) the interstellar medium.

Recent Papers:

Ho, L. C., & Kim, M. 2016, ApJ, 821, 48: "Low-mass Active Galactic Nuclei with Rapid X-ray Variability"

Ho, L. C., & Kim, M. 2015, ApJ, 809, 123: "A Revised Calibration of the Virial Mass Estimator for Black Holes in Active Galaxies Based on Single-epoch Hbeta Spectra"

Ho, L. C., & Kim, M. 2014, ApJ, 789, 17: "The Black Hole Mass Scale of Classical and Pseudo Bulges in Active Galaxies"

Kormendy, J., & Ho, L. C. 2013, ARA&A, 51, 511: "Coevolution (Or Not) of Supermassive Black Holes and Host Galaxies"

Gu, M., Ho, L. C., Peng, C. Y., & Huang, S. 2013, ApJ, 773, 34: "A Novel Approach to Constrain the Mass Ratio of Minor Mergers in Elliptical Galaxies: Application to NGC 4889, the Brightest Cluster Galaxy in Coma"

Huang, S., Ho, L. C., Peng, C. Y., Li, Z.-Y., & Barth, A. J. 2013, ApJ, 768, L28: "Fossil Evidence for the Two-phase Formation of Elliptical Galaxies"

Ho, L. C., Kim, M., & Terashima, Y. 2012, ApJ, 759, L16: "The Low-mass, Highly Accreting Black Hole Associated with the Active Galactic Nucleus 2XMM J123103.2+110648"

Wei, L., Keto, E., & Ho, L. C. 2012, ApJ, 750, 136: "Two Populations of Molecular Clouds in the Antennae Galaxies"

Ho, L. C., Li, Z.-Y., Barth, A. J., Seigar, M. S., & Peng, C. Y. 2011, ApJS, 197, 21: "The Carnegie-Irvine Galaxy Survey. I. Overview and Atlas of Optical Images"

Ho, L. C. 2009, ApJ, 699, 638: "Origin and Dynamical Support of Ionized Gas in Galaxy Bulges"

Ho, L. C. 2009, ApJ, 699, 626: "Radiatively Inefficient Accretion in Nearby Galaxies"

Ho, L. C. 2008, ARA&A, 46, 475: "Nuclear Activity in Nearby Galaxies"

Ho, L. C., Darling, J., & Greene, J. E. 2008, ApJ, 681, 128: "Properties of Active Galaxies Deduced from H I Observations"

Greene, J. E., & Ho, L. C. 2007, ApJ, 670, 92: "A New Sample of Low-Mass Black Holes in Active Galaxies"

Ho, L. C. 2007, ApJ, 669, 821: "The CO Tully-Fisher Relation and Implications for the Host Galaxies of High-Redshift Quasars"

Ho, L. C. 2007, ApJ, 668, 94: "Bulge and Halo Kinematics Across the Hubble Sequence"

Ho, L. C., & Keto, E. 2007, ApJ, 658, 314: "The Mid-Infrared Fine-Structure Lines of Neon as an Indicator of Star Formation Rate in Galaxies"

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Luis C. Ho (何子山)