JAO Science Team

  • Álvaro Ribas

    Álvaro Ribas

    ESO-ALMA Fellow

    Scientific interests: protoplanetary disks evolution, dust grain growth, planet formation, debris disks, exoplanets.

    Technical interests: (sub)mm interferometry, multi-wavelength observations, statistics, machine learning, Python.

  • Antonio Hales

    Antonio Hales

    Operations Astronomer

    Science Interests: Protoplanetary and debris disks, evolution of circumstellar gas and dust evolution in environments of planet formation, near-IR polarimetry, multiwavelength surveys of the Galactic plane, radio continuum of Herbig Ae/Be stars.
    Technical interests: ALMA commissioning, astrometry, ALMA antennas, solar observations, mm/submm interferometry, image synthesis.

  • Baltasar Vila Vilaro

    Baltasar Vila Vilaro

    Data Management Group Manager

    Science Interests: Nuclear activity in galaxies, lenticular and elliptical galaxies, molecular and atomic gas properties along the Hubble Sequence, Milky Way structure.
    Technical interests: mm/submm. interferometry, calibration.

  • Bill Dent

    Bill Dent

    System Astronomer

    Science Interests: Protostellar disks, debris disks, planet formation, protostellar outflows, Galactic Centre, line & continuum radiative transfer models.
    Technical interests: Correlators & frontend receivers, ir & submm spectroscopy, interferometry.

  • Celia Verdugo

    Celia Verdugo

    Data Analyst

    Science Interests: Star formation at low metallicity, molecular gas, molecular clouds and clumps.
    Technical interests: mm/submm astronomy. Single dish and interferometry observations, data reduction and analysis. Bolometers and heterodyne receivers.

  • Chat Hull

    Chat Hull

    NAOJ Fellow

    Science interests: Star formation, polarization, magnetic fields, protoplanetary disks, synthetic observations of MHD simulations.
    Technical interests: cm/mm/submm interferometry, radio instrumentation, polarization calibration, high-dynamic-range imaging.

  • Chentao Yang

    Chentao Yang

    ESO fellow

    Science Interests: star formation, galaxy formation and evolution, dusty star-forming galaxies at high-redshift, molecular gas and dust.
    Technical interests: cm/mm/submm single-dish and interferometry observations, imaging and spectroscopy, calibration.

  • Chin-Shin Chang

    Chin-Shin Chang

    Science Archive Content Manager

    Science Interests: Galaxies and supermassive black holes, jets and outflows. Active Galactic Nuclei studies using Very Long Baseline Interferometry, in particular the VLBI kinematics and the multi-wavelength studies (radio/optical/X-ray/gamma-ray) on AGN inner-jet. M87 jet dynamics.
    Technical interests: VLBI wide-fied (more…)

  • Cristián López

    Cristián López

    Data Analyst

    Science Interests: Star Formation, Giant Molecular Clouds, and gas and dust in the ISM.
    Technical interests: Continuum and Spectral observations in mm/sub-mm single dish and interferometric telescopes. Verification and optimisation of single dish and interferometric arrays.

  • Daniel Walker

    Daniel Walker

    Postdoctoral Fellow

    Science Interests: The early stages of high-mass star and stellar cluster formation, the environmental dependence of star formation, the Central Molecular Zone.
    Technical interests: sub-mm astronomy, interferometry, single-dish combination, imaging and calibration.

  • David Rebolledo

    David Rebolledo

    ALMA/NRAO Fellow

    Science Interests: Different phases of the interstellar medium and the process of star formation at different size scales in nearby galaxies and the Milky Way.
    Technical interests: Radio astronomy, interferometry at cm/mm wavelengths, and techniques to combine single dish images with interferometric data.

  • Ed Fomalont

    Ed Fomalont

    Senior Astronomer

    Science Interests: Astrometry, tests of General Relativity, VLBI especially from space, evolution of binary stellar systems, evolution of AGN and star-forming galaxies and cosmology.
    Technical interests: Interferometric analysis and software, high dynamic range imaging, micro-arcsecond astrometric precision, polarization interferometry.

  • Elizabeth Humphreys

    Elizabeth Humphreys

    Head of the Department of Science Operations

    Dr. Liz Humphreys joined the ALMA project in September 2009 as an astronomer in the European (more…)

  • Enrique Macías

    Enrique Macías

    ESO-ALMA Fellow

    Science Interests: Star formation, structure and evolution of protoplanetary disks, protoplanetary disk dispersal, radio jets, dust grain growth and evolution, planet formation.

    Technical interests: Radio astronomy, submm/mm/cm interferometry, imaging, statistics.

  • Eric Villard

    Eric Villard

    Deputy of Data Management Group

    Science Interests: Planetary atmospheres, exoplanets.
    Technical interests: mm/submm. interferometry, calibrators, astrometry.

  • Gabriel Marinello

    Gabriel Marinello

    Data Analyst

    Scientific Interests: Observational cosmology, large-scale structure of the Universe, galaxy clusters, galaxy evolution in clusters, cosmic microwave background, Sunyaev-Zel’dovich effect observations, quasars.
    Technical Interest: Mm/submm interferometry, single-dish mm/submm astronomy, optical imaging and spectroscopy, (more…)

  • Giorgio Siringo

    Giorgio Siringo

    Front-End Technical Lead

    Science Interests: magnetic field and star formation, galactic magnetic field, AGN variability, anisotropies and polarization of the Cosmic Background Radiation
    Technical interests: mm/submm detectors, single-dish, interferometry and polarization, imaging, data reduction

  • Harold Francke

    Harold Francke

    Science Archive Content Manager

    Science Interests: Galaxy formation and evolution, especially at high redshift, and its relation to active galactic nuclei. Cosmology and large scale structure.
    Technical interests: Optical and NIR imaging and spectroscopy data processing. Radio, mm and sub-mm interferometry and aperture synthesis. Multiwavelength datasets analysis.

  • Hugo Messias

    Hugo Messias

    DSO Astronomer

    Science Interests: Galaxy and super-massive black-hole co-evolution; gas content and dynamics; galaxy growth mechanisms; IR-selected AGN; distant sub-millimeter/radio-selected galaxies.

    Technical Interests: IR to radio; interferometry; VLBI observations with phased ALMA; data calibration; statistics.

  • Ignacio Toledo

    Ignacio Toledo

    Data Analyst

    Science Interests: Diffuse light and evolution in galaxy clusters. Bulge and Galactic plane studies in near-infrared. Extrasolar planetary transits.
    Technical interests: mm/submm interferometry and aperture synthesis. Optical and near-infrared data reduction techniques. Virtual Observatory publishing and data mining.

  • John Carpenter

    John Carpenter

    Observatory Scientist

    Science Interests: Circumstellar disks, debris disks, structure of molecular clouds, and star formation.
    Technical interests: mm/submm. interferometry, single-dish mm/submm astronomy, statistics

  • Jorge F. García Yus

    Jorge F. García Yus

    Science Archive Content Manager

    Science Interests: Galactic structure, star formation, solar system and exoplanets.
    Technical interests: Optical/IR/MIR imaging and photometry. Multi wavelength surveys, catalog and databases. Ground telescope observations. Ultimately VO interoperability.

  • José Gallardo Narbona

    José Gallardo Narbona

    Science Archive Content Manager

    Science Interests: Evolutionary models of low mass stars, brown dwarfs and extrasolar planets. Atmospheric models of young stellar and sub-stellar objects. Intermediate and high mass star formation. Proto-stellar outflows, proto-stellar and debris disks. Binary stellar systems.
    Technical interests: Optical/infrared imaging, photometry, spectroscopy; sub-mm/mm/radio interferometry.

  • José Miguel Fernández Contreras

    José Miguel Fernández Contreras

    Data Analyst

    Science Interests: Star formation, proto-planetary disks, binary stellar systems, extrasolar planets.
    Technical interests: Optical/Infrared imaging, photometry, spectroscopy; sub-mm/mm/radio interferometry 

  • Juan Cortés

    Juan Cortés

    Operations Astronomer

    Science Interests: Interacting and merging Galaxies, lenticular and elliptical galaxies, galaxy formation, galaxy evolution along z, high-z submillimeter galaxies, galaxy stellar and gas dynamics.
    Technical interests: mm/submm. interferometry, Integral Field spectroscopy, single-dish mm/submm astronomy.

  • Kurt Plarre

    Kurt Plarre

    Data Analyst

    Science Interests: Bayesian methods, inverse problems in Astronomy
    Technical interests: mm/sub-mm astronomy. Antenna/array verification, maintenance and calibration. Data manipulation and visualization. Data reduction. Web development.

  • Laura Gómez

    Laura Gómez

    Science Archive Content Manager

    Science Interests: Star formation at early evolutionary stages, fragmentation and structure of molecular clouds, proper motions of radio sources.
    Technical interests: cm/mm/submm interferometry, cm/mm/submm single dish techniques (bolometer and heterodyne), mosaicking with interferometer, combining interferometry and single dish data.

  • Liza Videla Altieri

    Liza Videla Altieri

    Science Archive Content Manager

    Science Interests: Active Galactic Nuclei (AGN), Seyfert galaxies, central engine of AGN, massive black holes at galactic centers, Ultra Luminous Infrared Galaxies (ULIRGs), starburst galaxies, galaxy evolution.
    Technical interests: Data reduction, astronomical databases, Virtual Observatory, interferometric techniques, imaging and spectroscopy in infrared and radio

  • Luciano Cerrigone

    Luciano Cerrigone

    Science archive content manager

    Scientific interests: circumstellar envelopes in intermediate- and high-mass stars, AGB and post-AGB stars, molecular outflows, radio continuum properties of Planetary nebulae, LBV nebulae.
    Technical interests: ground- and space-based mid-IR imaging and spectrometry, interferometry from the cm to the sub-mm range, single-dish techniques.

  • Marie-Lou Gendron-Marsolais

    Marie-Lou Gendron-Marsolais

    ESO-ALMA Fellow

    Science interests: Multi-wavelength studies of groups and clusters of galaxies, AGN feedback, brightest cluster/group galaxies.

    Technical interests: high-dynamical-range low radio frequency imaging, X-ray data reduction and analysis, optical imaging Fourier transform spectroscopy.

  • Matias Radiszcz

    Matias Radiszcz

    Data Analyst

    Science Interests: Dusty disc in white dwarfs, interacting binaries, and evolverd stars. Brown dwarfs, exoplanets, planetary system formation/evolution, and protoplanetary disks. Stellar populations in the Milky Way, and Milky Way structure. Astrometry.
    Technical interests: Sub mm/radio interferometry, and single dish data reduction and (more…)

  • Paulo Cortés

    Paulo Cortés

    Operations Astronomer

    Science Interests: Star formation, magnetic fields, formation of molecular clouds, interacting and merging galaxies, galaxy formation, galaxy evolution, high-z submillimeter galaxies.
    Technical interests: mm/submm. interferometry, single-dish mm/submm astronomy, parallel and distributed computing.

  • Rubén Herrero-Illana

    Rubén Herrero-Illana

    ESO-ALMA Fellow

    Science Interests: Luminous Infrared galaxies, Active Galactic Nuclei, starburst galaxies, interstellar medium, multi-wavelength characterization.
    Technical interests: cm/mm interferometry and single-dish, VLBI technique, high-resolution near-IR imaging.

  • Ruediger Kneissl

    Ruediger Kneissl

    Operations Astronomer

    Science Interests: Observational cosmology, cosmic microwave background, clusters of galaxies, Sunyaev-Zel’dovich observations, radio- and sub-mm galaxies.
    Technical interests: cm-submm interferometry and single dish, bolometer arrays, imaging techniques and simulations.

  • Satoko Takahashi

    Satoko Takahashi

    Science Operations Astronomer

    Science Interests: Star formation at early evolutionary stages, fragmentation properties of filamentary molecular clouds.
    Technical interests: mm/submm. interferometry, wide-field interferometric imaging.

  • Seiji Kameno

    Seiji Kameno

    System Verification Scientist

    Science Interests: Formation and fueling of active galactic nuclei, optimization of radio astronomy system such as interferometry, spectroscopy, and polarimetry.

  • Sergio Martín

    Sergio Martín

    Science Operations Astronomer

    Science Interests: Astrochemistry and molecular spectroscopy. Evolution of active galaxies. Starburst, AGN and ULIRG environments. Galactic Center.

    Technical interests: mm and submm single dish and interferometric observations and calibration.

  • Stéphane Leon

    Stéphane Leon

    System Astronomer

    Science Interests: Effects of the environment on stellar systems, globular clusters, dynamics of the molecular gas in galaxies, ISM content of radio galaxies, barred and isolated galaxies.
    Technical interests: mm/submm, interferometry and single dish, wide field telescopes, numerical simulations.

  • Stuartt Corder

    Stuartt Corder

    Deputy Director

    Science Interests: Debris disks, proto-stellar disks, proto-stellar environments, high-mass star formation, dynamics and feedback in nearby star-forming clouds.
    Technical interests: mm/submm. interferometry, high fidelity imaging, mosaicking with interferometers.

  • Theodoros Nakos

    Theodoros Nakos

    Data Management Group Manager

    Science Interests: Photometry and astrometry of binary stars, multi-wavelength detection of quasars and Active Galactic Nuclei (AGN), gravitational lensing.

    Technical Interests: Photometry (optical, near and mid-infrared), astrometry, calibrations, space and ground-based instrumentation


  • Tsuyoshi Sawada

    Tsuyoshi Sawada

    System Astronomer

    Science Interests: Interstellar medium in the Galaxy and galaxies.
    Technical interests: mm/submm. interferometry and single-dish antennas.

  • Violette Impellizzeri

    Violette Impellizzeri

    Operations Astronomer

    Science Interests: Active galactic nuclei, high resolution molecular emission/absorption from tori, water mega-maser emission, accretion disks, supermassive black-holes, high-redshift lines, gravitational lensing, galaxy evolution.
    Technical interests: cm to mm/submm interferometry, VLBI and single dish spectroscopy. Calibration techniques and high fidelity imaging.

  • Yoshiharu Asaki

    Yoshiharu Asaki

    NAOJ associate professor

    Science Interests: Dynamics of gas motions around evolved stars and of massive star forming regions by observing astrophysical masers. Precise astrometry using radio interferometry with an accuracy of milli arcseconds.
    Technical interests: Calibration techniques for correcting interferometer observable errors especially due to the Earth atmosphere and interferometer instruments.