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Research Staff Directory

The list includes AURA, CSA, CSC and ESA research staff at STScI, as well as emeritus astronomers, and postdocs.

Name Position/Title Science Interests Links
Ronald Allen AURA Astronomer (SMO) Physics of Photo-DIssociation Regions; connections to the observable ISM content of Galaxies. Tracers for Dark Gas in the Galaxy. Fourier methods in Optics, Interferometry, and Synthesis Imaging. Website
Alessandra Aloisi AURA Scientist, Deputy Division Head (OED) Galaxy formation and evolution; star-forming galaxies; stellar populations; star-formation histories; massive stars and ISM in starburst galaxies. None
Jay Anderson Observatory Scientist (INS) Globular cluster populations and dynamics; high-precision proper motions and photometry of stars in clusters. None
Heddy Arab Postdoctoral Fellow Interstellar dust in the Milky Way and nearby galaxies; Variations of grain properties with the environment; Physical processes of dust evolution; Dust models; Physics (and to a lesser extent chemistry) of photodissociation regions (PDRs); Radiative transfer modeling of PDRs. None
Andrea Banzatti Postdoctoral Fellow Observational studies of protoplanetary disks, using infrared spectroscopy and millimeter interferometry. Particular focus on water vapor emission from the planet-formation region of disks and its connection to disk evolution and planet formation processes. Blog
Tracy Beck AURA Scientist (INS) Low mass star formation; evolution of circumstellar disks and outflows around young stars; molecular Hydrogen in star forming environments; high spatial resolution infrared imaging, spectroscopy and integral field spectroscopy. Website
George Becker AURA Astronomer (INS) Intergalactic medium, the high-redhsift Universe, cosmic reionization, quasar absorption lines, metal enrichment, chemical evidence of the first stars, dark matter, and observational cosmology. Website
Andrea Bellini Postdoctoral Fellow TBS. None
John Biretta AURA Scientist (INS) TBS. None
Torsten Boeker ESA-JWST Scientist (JWSTMO) Broadly speaking, I work on observational studies of the central regions of nearby galaxies. This includes their morphology, star formation rates, stellar populations, and nuclear activity, as well as the chemistry and dynamics of their interstellar medium. Recently, my work has focused on the nature of Nuclear Star Clusters in spiral galaxies, and their possible connection to super-massive black holes. Website
Blog
Ralph Bohlin AURA Astronomer (INS) Precise flux calibration of standards stars. None
Howard E. Bond AURA Emeritus Astronomer (SMO) Stellar astronomy; planetary nebulae; binary stars; white dwarfs; astrometry; Milky Way and extragalactic distance scale; omit extrasolar planets; cataclysmic variables and novae; light echoes and optical transients. Website
Rongmon Bordoloi Postdoctoral Fellow Galaxy halo-gas connection, Intergalactic medium, galactic outflows and inflows, Photometric redshifts etc. Website
Gabriel Brammer ESA-AURA Astronomer (INS)
Galaxy evolution from large multi-wavelength surveys. Star formation histories, stellar populations, and morphological evolution of massive galaxies. Measuring redshifts at low spectral resolution (photometry and HST grism). Website
Robert Brown AURA Astronomer (CMO) Planetary physics. Comparison of strategies for detecting and characterizing extrasolar planets. Development of performance metrics based on completeness and applications to astrometry, radial velocity, direct detection, photometric orbit, and microlensing. Statistical methods, including density estimation and Monte Carlo experiments. Current focus: understanding the scientific potential of the microlensing survey of extrasolar planets that Astro2010 recommended. None
Tom Brown AURA Astronomer, JWST Mission Scientist Stellar populations, stellar evolution, galactic evolution, hot stars, spectral synthesis, late stages of stellar evolution, future space missions. Website
Howard Bushouse AURA Scientist (OED) Nature and evolution of interacting galaxies, with primary interest in their global star formation properties. Luminous IR galaxies. Starburst galaxies. Website
Annalisa Calamida Postdoctoral Fellow TBS. None
Stefano Casertano AURA Observatory Scientist (HSTMO) Study the evolution of galaxies and of dark matter from intermediate to high redshift. My main current interest is weak lensing based on HST data. I also work on astrometric searches for planets with GAIA and SIM. None
Pierre Chayer CSA Scientist (INS) Stellar atmospheres of white dwarfs and subdwarfs. None
Christine Chen AURA Associate Astronomer (INS) dust and gas in debris disks, the formation and evolution of exoplanetary systems including oligarchic growth and the epoch of giant collisions (e.g. the Moon-forming even in our solar system) Website
Marco Chiaberge ESA-AURA Research Staff (INS) Active Galactic Nuclei: Radio galaxies, jets, accretion processes around supermassive black holes, radio-quiet and radio-loud AGNs, the relationship between the narrow line regions of Seyfert galaxies and their soft X-ray emission, the properties of low luminosity radio galaxies at 1<z<2 and their cluster environment. Website
Carol Christian AURA Observatory Scientist, Community Missions Office Deputy (CMO) Stellar Populations; Open, Populous and Globular-type clusters; Information Technologies; Distributed Data Systems & Active Archives; Applications of Technology for Public understanding of science; K-12 curricula, standards, evaluation and systemic reform; informal science education methodologies, standards and evaluation; citizen science; 3D printing applications. Website
Elodie Choquet Postdoctoral Fellow TBS. Blog
Dan Coe ESA-AURA Astronomer (INS) Galaxy clusters, gravitational lensing, dark matter, structure formation, cosmology, and high-redshift galaxies. CLASH and the Frontier Fields. Website
Blog
Nicolas Crouzet Postdoctoral Fellow
Search and characterization of transiting exoplanets: photometric instrumentation, observation and data analysis. I will work on the XO project. None
Tomas Dahlen AURA Associate Scientist (INS) Supernovae and high redshift supernova rates. Galaxy formation and evolution. Evolution of the cosmic star formation rate. Photometric redshifts. Website
John H. Debes ESA-AURA Research Staff (INS)
Exoplanets, debris disks, white dwarfs, the fate of planetary systems Website
Susana Deustua AURA Associate Scientist (INS) Precision Spectrophotometric Calibration, Observational Cosmology, Dark Energy, IR Instruments, Astronomy Education Research. Website
Van Dixon AURA Scientist (INS) Stellar atmospheres of evolved stars in globular clusters. Blog
Tracy Ellis CSC Operations Astronomer Photometry and modeling of the gas and dust distributions in the inner comae of comets. None
Michael Fall AURA Astronomer (SMO) Astrophysics None
Harry Ferguson AURA Astronomer (INS)
Cosmology. Galaxy Formation and Evolution. Deep Fields. Dwarf Galaxies (particularly dwarf ellipticals). Stellar Populations. Gravitational lensing. Website
Kathy Flanagan AURA Senior Scientist, Deputy Directory (DO) Supernova remnants and the development of new instruments for space. Website
Andrew Fox ESA-AURA Astronomer (INS) Galaxy evolution; galactic inflow and outflow; interstellar and intergalactic media; high-velocity clouds; damped Lyman-alpha systems. Website
Blog
Scott Friedman AURA Scientist (INS) My main interests are study of the abundance and distribution of deuterium in the interstellar medium. I am also interested in the properties of diffuse interstellar bands. None
Andrew Fruchter AURA Associate Astronomer (SMO) My primary research topic at this time is the study of gamma-ray bursts (GRBs) and their host galaxies. I also study other compact objects, in particular radio pulsars. I am interested in observations of distant galaxies, and I work on methods for improving the imaging of these and other objects with HST. Website
Alex Fullerton AURA (INS) Stellar atmospheres and winds of hot, massive stars. None
Mario Gennaro Postdoctoral Fellow I study resolved stellar populations (young and old, in the field and in clusters) in the Milky Way and Local Group galaxies. At STScI I have joined a project to study the Initial Mass Function and Star Formation History of the Galactic Bulge, using HST data. I am developing Hierarchical Bayesian tools to approach this problem from a non traditional angle. None
Karoline Gilbert AURA Assistant Astronomer (INS) I am interested in the formation and evolution of galaxies. I use observations of resolved stellar populations to reconstruct the history of nearby galaxies, including M31 and dwarf galaxies in the Local Group and beyond. Website
Blog
Ronald Gilliland AURA Emeritus Astronomer (SMO) Primary research interests are in the detection of extra solar planets including Earth-like planets, and the characterization of stars via study of solar-like oscillations. Both of these are approached observationally via very high-precision, time-series photometry searching for planet transits and p-mode oscillations. None
David Golimowski AURA Scientist (INS) Circumstellar and protoplanetary disks; extrasolar planetary systems; very low mass stars and brown dwarfs; the solar neighborhood Website
Karl Gordon AURA Associate Astronomer (INS) Interstellar dust in the Milky Way and nearby galaxies; Understanding the full range of dust properties and how they vary with environment (e.g., dust formation and effects of nearby star formation on dust); Dusty radiative transfer and dust emission in arbitrary 3D geometries (e.g., clumpy dust) of stars, gas, and dust (DIRTY model); Infrared instrumentation, specifically operations, data reduction, and calibration. Website
Paul Goudfrooij AURA Scientist (INS) Properties of star clusters in galaxies along the Hubble sequence. Assembly history of early-type galaxies and bulges of spiral galaxies. Stellar Populations in external galaxies. Formation and evolution of globular clusters and globular cluster systems. The nature of multiple stellar populations in star clusters. The multi-phase ISM in early-type galaxies. Simulation of astronomical data. Optimization of instrument calibration. Building analysis pipelines of astronomical software. Website
Norman Grogin AURA Associate Scientist (INS) Galaxy formation and evolution, with particular interest in AGN-galaxy coevolution; Deep fields; Large-scale structure; Gravitational lensing; Extragalactic globular cluster systems. None
Robert Hanisch AURA Senior Scientist/VAO Director Interested in fostering multi-facility/multi-wavelength astronomical research through the virtual observatory. I have also worked in the areas of image restoration, electronic publications, and software system design and management. Website
George Hartig AURA Senior Scientist (INS)
My research included the study of AGN and their interaction with the IGM and host galaxies. I also pursue the development of novel instrumentation. None
Mike Hauser AURA Emeritus Astronomer (SMO) Developed and used infrared and submillimeter instruments from ground-based, balloon-borne, and space based telescopes to study the cosmic microwave and infrared background radiations, cosmology, the interstellar medium, and the interplanetary medium. None
Dean Hines AURA Scientist

I use ultraviolet, optical and infrared imaging, spectropolarimetry and spectroscopy, and radio imaging to investigate dusty astrophysical phenomena including the zodiacal debris in our solar system, material forming planets around young stars, supernova remnants, and the obscuring tori in Active Galactic Nuclei. I am also involved with instrumentation having been a member of the HST/NICMOS and Spitzer/MIPS instrument teams, and currently the JWST/MIRI team. Website
Rebekah Hounsell Postdoctoral Fellow Gamma ray bursts, supernovae, classical and recurrent novae. None
Helmut Jenkner ESA Research Staff w/tenure (HSTMO) Chemically peculiar upper main sequence stars; Variability surveys in HST FGS data; Astronomical catalogs. None
Jason Kalirai AURA Associate Astronomer, Project Scientist, JWST I study the formation and evolution of stars and galaxies in the local universe. My current research interests involve imaging and spectroscopic observations of resolved stellar populations, such as nearby star clusters and dwarf galaxies. Website
Susan Kassin AURA Assistant Astronomer (INS) I study the formation and evolution of galaxies. Much of my research focuses on observing the internal kinematics of galaxies today and over the last 8 billion years. I interpret these observations through the lens of theory, much of which relies on supercomputer simulations. Most recently I have been studying how disk galaxies obtain the ordered dynamical state that they have today. Website
Charles (Tony) Keyes AURA Scientist (INS)
Physics of low-to-intermediate density plasmas, planetary nebulae; interacting binary stars, outbursts and structure of symbiotic stars in particular None
Anton Koekemoer AURA Scientist (INS) Formation of supermassive black holes and galaxies in the distant early universe and their growth across cosmic time; carrying out large-scale surveys to search for such objects and increase our understanding of the physical processes that drive their formation and growth, as well as the inter-relationships that exist between galaxies and their central supermassive black holes. Website
Gerard Kriss AURA Astronomer, Instruments Scientist (INS) Multiwavelength studies of active galaxies and quasars, concentrating on UV and X-ray observations of outflowing, absorbing gas; also studies the ionization and composition of the intergalactic medium. None
David Law AURA Assistant Astronomer, Instruments Scientist (INS)

Galaxy formation and evolution, morphology and kinematics of high redshift galaxies, stellar tidal streams, N-body simulations, integral field spectroscopy. Website
Brandon Lawton Outreach Astronomer

Interstellar medium of galaxies; properties of dust in the interstellar medium; star formation rate indicators; diffuse interstellar bands; astrochemistry; starburst galaxies; and QSO absorption-line systems. Website
Janice Lee AURA Assistant Astronomer (SMO) Star Formation and Galaxy Evolution; Calibration of Star Formation Indicators; Observational Constraints on the Stellar Initial Mass Function; Panchromatic Galaxy Surveys of the Local Volume; Extending Emission-Line Selected Galaxy Surveys to Higher Redshift; all with focus on dwarf galaxies. Website
Claus Leitherer AURA Astronomer, Head of Science Policies Group, Acting Deputy Science Mission Office (SMO) Main scientific interests are atmospheres and evolution of hot stars, resolved and unresolved massive stellar populations, the stellar content and interstellar medium of star-forming galaxies, starburst activity in galaxies, and spectrophotometric evolution models of galaxies. Website
Mario Livio AURA Astronomer (SMO) Supernovae Type Ia and cosmology; The nature of "dark energy"; Anthropics; The formation of astrophysical jets; The physics of and around black holes; Compact binary stars; Planet formation; Astrobiology; Various topics in mathematics. Website
Knox Long AURA Astronomer (INS) Supernova Remnants, X-ray properties of normal galaxies, cataclysmic variables, winds in AGN Website
Jennifer Lotz AURA Associate Astronomer (SMO) Galaxy mergers, galaxy evolution, quantitative morphology, and numerical simulations Website
Steve Lubow AURA Observatory Scientist (OED) AURA Observatory Scientist Blog
John MacKenty AURA Senior Scientist, WFC3 Branch Lead (INS) Instrument design and development. Detector and MEMS technologies. Star formation in active galaxies, starburst galaxies, and stellar populations. None
Duccio Macchetto AURA Emeritus Astronomer (SMO) My main interest is in Active Galaxies and in particular the measurement of their central black holes, the role of jets, the role of dust in the unification scheme of AGN and the properties of FRI and FRII sources. I am also interested in the ISM of ellipticals galaxies. None
André Martel CSA Scientist (INS)
Environments and hosts of AGNs and QSOs; high-z galaxies; ISM of early-type galaxies; IR instrumentation and calibration. None
Peter McCullough AURA Associate Astronomer (INS) Leads the XO Project, the long term goal of which is to find and study habitable worlds. In the near term XO searches photometrically for transiting extrasolar planets, primarily hot gas giants. Website
Blog
Brian McLean AURA Observatory Scientist (OED) Sky surveys and catalogs; Galaxy structure and evolution; Contact binary systems. Website
Margaret Meixner AURA Astronomer (INS) Using infrared and millimeter observations, I study the circumstellar environments of dusty stars in our Galaxy and nearby galaxies (e.g. The Magellanic Clouds); in particular the dust and warm neutral gas. Designing and building infrared cameras. Website
Eileen Meyer Postdoctoral Fellow Active Galaxies, Blazars, Jets, and GRBs. Radio and Optical proper motions studies of jets, multi-wavelength population studies of AGN, Gamma-ray observations of AGN. Website
Blog
Amaya Moro-Martin Aura Assistant Astronomer (INS) Circumstellar disks; solar & extra-solar planetary systems; interplanetary dust; dynamical simulations; infrared observations; science policy. Website
Matt Mountain STScI Director (DO) TBS. Website
James Muzerolle AURA Associate Scientist (INS) Star and planet formation, pre-main sequence stars, circumstellar disks, optical and infrared observations, radiative transfer modeling. None
Mamadou N'Diaye Postdoctoral Fellow Direct imaging of exoplanets and debris disks. Research, development, and lab demonstration in related instrumentation (high-contrast imaging and spectroscopy, coronagraphy, wavefront sensing and control, etc.). None
Ed Nelan AURA Observatory Scientist (INS) TBS. None
Kai Noeske Astronomer (ESA) Galaxy formation from high redshift to now; history and mechanisms of star formation at all cosmic times; deep multi-wavelength surveys; dwarf galaxies None
Alberto Noriega-Crespo AURA Scientist (INS/JWST) Physics of the interstellar medium. IR Space missions, instruments, surveys & observations. None
Colin Norman JHU/STScI Astronomer (SMO) I have the pleasure of working in theoretical astrophysics and trying to understand phenomena such as dark matter, dark energy, black holes, star formation and evolution, galaxy formation and evolution, planet formation and evolution and associated possibilities for life on exoplanets. From time to time I have been honored to be involved with excellent colleagues on the design of large-scale space projects and also using existing space telescopes such as Hubble Space Telescope and the Chandra X-ray telescope and with ground-based follow upon large telescopes such as the VLT. Website
Antonella Nota ESA Research Staff w/tenure Massive stars, stellar evolution, circumstellar nebulae. Stellar populations, young star clusters, Initial Mass Function. None
Cristina Oliveira ESA-AURA Research Staff (INS) Interstellar and intergalactic media, inflows and outflows, damped Lyman-alpha systems, molecular hydrogen, evolution of deuterium. None
Rachel Osten AURA Associate Astronomer, Deputy Project Scientist, JWST Dynamics of cool star atmospheres, multiwavelength observations of stellar flares, magnetic activity at radio and X-ray wavelengths, spectroscopy of stellar chromospheres and coronae Website
Nino Panagia AURA Emeritus Astronomer (SMO) Theory and observations of (1) Supernovae and supernova remnants (2) Stellar winds (3) Star forming regions and young stellar populations, and (4) Cosmology: Distance Scale, Expansion and Acceleration of the Universe, Primordial Galaxies. Website
Molly Peeples AURA Assistant Astronomer (INS) Galaxy evolution; the flows of gas into, within, and out of galaxies; the buildup and dispersal of metals; the intergalactic and circumgalactic media. Interfacing observations with analytic models and hydrodynamic simulations. Website
Blog
Maria Pena-Guerrero Postdoctoral Fellow

Chemical abundances and physical conditions of photoionized objects. Supernova and other energetic events. None
Marshall Perrin Associate Astronomer (INS) Direct imaging of exoplanets and planet-forming environments in circumstellar disks. High contrast observation techniques including advanced coronagraphy, polarimetry, and interferometry. Website
Larry Petro AURA Scientist (On Leave) Extrasolar planets, planetary debris disks, and the low-surface brightness universe are my scientific areas of interest. I am especially interested in applying new technology to study these objects. None
Nor Pirzkal ESA-AURA Research Staff (INS) High redshift star forming galaxies. Grism surveys. Low mass stars and galactic structure. Website
Klaus Pontoppidan AURA Associate Astronomer Observational planet formation, chemistry of protoplanetary disks, formation and evolution of volatiles (e.g., water) in the interstellar medium and disks, techniques in high resolution infrared imaging spectroscopy, in particular molecular spectroscopy. Website
Marc Postman AURA Astronomer, Head Community Missions Office (CMO) Formation and evolution of large-scale structure in the universe, morphology and dynamics of galaxy groups, clusters, and superclusters, gravitational lensing, and observational cosmology. Website
Charles Proffitt Operations Astronomer (CSC)
Chemical abundances (especially boron and s-process elements) and related non-LTE calculations in B stars. Diffusion in stellar atmospheres and interiors. None
Laurent Pueyo Assistant Astronomer (INS) TBS. None
Jacqueline Radigan Postdoctoral Fellow TBS. None
Mike Regan AURA Observatory Scientist (INS) Barred galaxies dynamics and kinematics; ISM in Nearby Galaxies; Star Formation. None
I. Neill Reid AURA Astronomer; Head of Science Mission Office Galactic structure andth formation of the Milky Way, the stellar mass function in the Solar Neighbourhood and beyond, low mass stars and brown dwarfs, extrasolar planets and astrobiology. Website
Armin Rest Assistant Astronomer (INS) SN as cosmological standard candles. Light echoes of historic and ancient supernovae. Exotic supernovae. Optical follow-up of SZ-detected galaxy clusters by the South Pole telescope. Probing the nature of the Galactic dark matter halo with microlensing. Galactic density profile with RR Lyrae stars. Data reduction pipelines for time-domain wide-field surveys. None
Adam Riess AURA Distinguished Astronomer (INS) Cosmology from Supernovae, Dark Energy, the Distance Scale, Cepheids, etc. Website
Massimo Robberto AURA Scientist (INS) Star formation, disk evolution, Orion Nebula, IR instrumentation. Website
Julia Roman-Duval ESA-AURA (INS) My research focuses on the Interstellar Medium in the Milky Way, the Magellanic Clouds, and nearby galaxies. I use both gas and dust as tracers to answer fundamental questions about star formation. I am particularly interested in investigating how the gas collapses and fragments to form stars and star clusters, and what causes the onset of star formation (e.g., turbulence, gravity, shocks...). I am also currently working on the properties of dust in the Magellanic Clouds and how these properties change with local environment. Blog
Russell Ryan Postdoctoral Fellow Galaxy evolution, photometric redshifts, Galactic structure None
Elena Sabbi Associate Scientist (INS) Star formation, stellar evolution, formation and evolution of star clusters, stellar populations, initial mass function, star formation histories, pre-main sequence stars. Website
Kailash Sahu AURA Associate Astronomer (SMO) Gravitational microlensing; detecting and measuring the masses of isolated, stellar-mass black holes through microlensing; search for extra-solar planets through transits and microlensing. Website
Hugues Sana ESA-AURA Astronomer (INS) TBS. None
Kenneth Sembach AURA Astronomer / STScI HST Mission Head (HSTMO) Interests include the evolution and baryonic content of the intergalactic medium, the physical conditions and properties of gaseous material inside galaxies, and the feedback on the ISM and IGM produced by supernovae and star-formation processes. None
Marco Sirianni ESA-JWST (JWSTMO) TBS. Website
Anand Sivaramakrishnan AURA Observatory Scientist (INS) TBS. None
Linda Smith ESA Research Staff/ACS Team Lead (INS) Young massive star clusters in star-forming galaxies; starburst galaxies and supergalactic winds; hot massive stars and stellar wind interactions. None
Greg Snyder Postdoctoral Fellow Galaxy formation and evolution; galaxy mergers; hydrodynamical simulations; dust; radiative transfer; active galactic nuclei; galaxy clusters; astrostatistics. Website
Blog
David Soderblom AURA Astronomer (INS) Evolutionary properties of solar-type stars; solar-type stars as a population for Galactic studies; age determinations of stars; low-mass stars as targets for planet searches and SETI; Sun-like phenomena seen in stars; high-resolution spectroscopy. Blog
Tony Sohn Postdoctoral Fellow Hot stars in old stellar populations, tidal disruption of dwarf galaxies, star-forming galaxies, and proper motions of nearby galaxies. Website
Paule Sonnentrucker ESA-AURA
Physics and chemistry of diffuse, dense, star-forming clouds; multi-wavelength spectroscopy; atomic and molecular astrophysics; astrobiology None
Mario Soto Postdoctoral Fellow TBS. None
Remi Soummer AURA Associate Astronomer High-contrast imaging of exoplanets and disks: Instrumentation development (coronagraphy, wavefront sensing and control), future missions concepts, new observational techniques (advanced PSF subtractions) and observations of planets and disks with coronagraphy. None
William Sparks AURA Astronomer/Development Manager (CMO) Astrobiology, search for life, planet detection and characterization. Polarization instrumentation and applications. Optical observations of radio galaxies. Geometric distances from light echoes. None
John Stansberry AURA Scientist (JWST) Characterization of Solar System bodies, particularly Pluto, Triton, and the Kuiper belt and Centaur objects. Modelling of volatile processes and atmospheres of the icy dwarf planets. None
Massimo Stiavelli AURA Astronomer (JWSTMO) My main interest is the formation and evolution of galaxies from first light to the present. I am especially interested in the evolution of their stellar populations and metal content, in their feedback on the IGM, and in the interplay between central black holes and galaxy properties. Website
Peter Stockman AURA Emeritus Astronomer (SMO) Interested in the formation of the earliest stars and galaxies. I spend most of my time on the development of the James Webb Space Telescope which will be used for such studies. None
Frank Summers Outreach Astrophysicist (OPO) My research has studied cosmology in general, and the formation of galaxies and clusters of galaxies in particular. I have done large scale N-body plus hydrodynamics simulations and run a 31 node beowulf cluster. None
Manuchehr Taghizadeh-Popp Postdoctoral Fellow Galaxy formation, evolution and classification. Simulations of deep space telescope images. Cosmological simulations. All sky surveys. Large scale structure. CMB non-gaussianities and ISW effect. Machine learning and pattern recognition. Data mining and analytics. Big Data. Extreme value statistics. Astronomical databases. GPU scientific computing. None
Christopher Thom Postdoctoral Fellow

High-velocity clouds in the Milky Way halo; low-redshift IGM and the gaseous halos of galaxies. None
Pier-Emmanuel Tremblay Hubble Fellow Stellar atmospheres, radiation-hydrodynamics, and white dwarfs as a physics laboratory, and probes of Galactic history.. Blog
Jason Tumlinson AURA Associate Astronomer (INS) The first stars, galaxy formation, the interstellar and intergalactic medium, nucleosynthesis. Website
Jeff Valenti AURA Associate Astronomer (INS) Exoplanet detection and characterization, Stellar properties via spectroscopy and radiative transfer, Pre-main-sequence stars, Stellar activity and magnetic fields. Website
Roeland Van der Marel AURA Astronomer, Telescopes Lead (INS) Galaxy Structure and Dynamics; Black Holes; Optical and near-IR Spectroscopy and Imaging; Stellar Dynamics Theory. Website
Kevin Volk CSA Scientist (INS) I am interested in planetary nebula physics, and in the study of circumstellar and interstellar dust particularly the dust around evolved intermediate mass stars. Website
Nolan Walborn AURA Astronomer (INS) Optical, ultraviolet, and X-ray morphology of OB spectra in the Galaxy and the Magellanic Clouds. Evolutionary, rotational, and magnetic effects in normal OB and related peculiar spectra. Stellar content, multiple generations, and interstellar absorption lines in giant H II regions and massive young clusters. None
Rick White AURA Astronomer, Archive Chief Scientist, MAST PI (OED) Extragalactic & Galactic radio surveys (the FIRST survey); quasars; gravitational lensing by clusters of galaxies; image processing and other data analysis techniques; image compression; classification and data mining. Website
Brad Whitmore AURA Astronomer (HSTMO)
Formation and destruction of young star clusters. Extragalactic globular cluster systems. Merging galaxies. Polar-ring galaxies. Structure and dynamics of galaxies. Clusters of galaxies. None
Robert Williams AURA Distinguished Research Scholar (SMO) High resolution spectroscopy; emission-line objects; element abundances; novae; accretion disks. Website

Last Updated: December 03, 2014