Current NRAO Scientific Staff

M.T. Adams-Education & Public Outreach Division Head.

J. Aguirre-Millimeter-wave instrumentation and data analysis, particularly for bolometer detectors; continuum and CO detection of submillimeter galaxies at high redshift; massive-star formation in the Galaxy; Jansky Fellow.

D. S. Balser-Galactic structure and abundances, H II regions, planetary nebulae; E2E operations, GBT scientific support.

T. S. Bastian-Solar/stellar radiophysics: solar chromosphere, coronal energy release, solar flares; coronal mass ejections, interplanetary radio bursts, radio propagation in the interplanetary medium, radio emission from late-type stars, substellar objects, and exoplanets; Frequency Agile Solar Radiotelescope (FASR) planning and development.

J. M. Benson-Extragalactic radio sources; VLBA image processing, scientific support for VLA/VLBA correlator, development and maintenance of the NRAO Science Data Archive, member of the e2e-EVLA Computing Group.

S. Bhatnagar-Supernova remnants, HII/UCHII regions, low-frequency mapping of the galactic plane, interferometric calibration, image reconstruction, and related algorithm development; CASA.

R. C. Bignell-High-redshift absorption systems, planetary nebulae, polarization; GBT scheduling and GBT Scientific Support.

J. Braatz-Cosmic masers, active galaxies, cosmology, molecular gas in AGNs, scientific software and algorithms; GBT science support.

R. Bradley-Special purpose radio telescope systems, low-noise amplifiers, array receivers, adaptive RFI excision, advanced receiver development, and radio-based particle physics; Dynamic Spectroscopy Group leader and FASR Interim Project Engineer.

A. H. Bridle-Extragalactic radio sources; Computing and Information Services web support, inter-site communications support, pre-doctoral, intern and co-op student programs, and visiting scientist support.

W. Brisken- Pulsars, astrometry; VLBI software correlation.

C. Brogan-High-mass star formation, astrochemistry, masers, magnetic fields, supernova remnants, small-scale structure in the interstellar medium; ALMA/NAASC.

E. W. Bryerton-Advanced detector development, technologies for large focal plane arrays, ALMA local-oscillator development.

B. J. Butler- Planetary astronomy; Division Head, EVLA Computing Division

C. Carilli-Galaxy formation, radio galaxies, QSO absorption lines, epoch of reionization; Head of North American ALMA Science Center (NAASC).

C. Chandler-Star formation, circumstellar disks, protostellar outflows, millimeter-wave interferometry; Division Head, Socorro Scientific Services.

P. Chandra-Circumstellar interactions of supernovae and gamma ray bursts; Jansky Fellow.

J. Cheng-Structural design and analysis, astronomical telescope design, sensors, carbon-fiber material, ALMA antenna development.

A. Chung-Galaxy formation and evolution, Cluster environmental effects, Radio/sub-millimeter instrumentations.

B. G. Clark-EVLA control and software development, VLA/VLBA scheduling; Emeritus Scientist.

M. J. Claussen-Masers, young stellar objects, AGB stars, pre-planetary nebulae, spectropolarimetry; VLA/VLBA user programs, VLA+Pt link support, VLA and VLBA scientific support, EVLA testing.

J. J. Condon-Dark energy, Hubble constant, nearby galaxies, evolution of star formation, radio surveys, GBT precision telescope control system; GBT dynamic scheduling, Special Assistant to the Director.

W. D. Cotton-Extragalactic radio sources, interferometry, cosmic masers, computational techniques for data analysis; scientific support: NRAO sky surveys.

P. Demorest-High-precision pulsar timing, gravitational radiation, interstellar scintillation; backend instrumentation development, signal processing; Jansky Fellow.

V. Dhawan-Radio and X-ray observations of microquasars; VLBA astrometry, VLBA user support and EVLA testing.

D. T. Emerson - Nearby galaxies; millimeter-wave techniques and instrumentation, s pectrum management, history of microwaves.

A. S. Evans - Evolution of star formation and AGN activity in massive, evolving galaxies; ALMA commissioning and NAASC.

J. R. Fisher-Cosmology, signal processing, antenna design, advanced receiver development; NRAO Technical Leader for R&D.

E. B. Fomalont-Astrometry, X-ray binaries, deep imaging, relativity tests; VSOP and RadioAstron coordination, VLBA support, CASA testing, e2e Operations.

D. A. Frail-Gamma-ray bursts, soft-gamma-ray repeaters, pulsar/supernova remnant associations, pulsar wind nebulae, masers, HI absorption and interstellar scattering; Head of Science and Academic Affairs.

F. D. Ghigo-X-ray binary sources, active galactic nuclei; GBT user support, GBT user interfaces, GBT precision telescope control system.

K. Golap-Low-frequency calibration and imaging, imaging algorithm development; CASA.

M. A. Gordon-CO, galactic structure, gas-rich galaxies, interstellar medium; Emeritus Scientist.

W. M. Goss-Galactic-center studies, galactic masers, pulsars, supernova remnants, nearby galaxies.

E. W. Greisen-Radio galaxies, HI in galaxies, interstellar medium; computer analysis of astronomical data, AIPS.

A. S. Hales-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; Research Associate.

E. J. Hardy-Cosmology, galaxies, stellar populations; Assistant Director for Chilean Affairs, NRAO/AUI representative in Chile.

M. Haverkorn-Galactic magnetism, structure in the interstellar medium, radiopolarimetry; Jansky Fellow.

B. E. Hesman-Planetary astronomy, EVLA scientific support; Research Associate.

J. E. Hibbard-Extragalactic HI, galaxy evolution, merging galaxies, spectral synthesis imaging; NA ARC Manager.

D. E. Hogg-Structure of spiral galaxies, stellar winds; general support for the Director's Office, Emeritus Scientist.

T. R. Hunter-High-mass star formation, protoclusters, UCHII regions, hot cores, outflows, masers, millimeter/submillimeter interferometry; GBT PTCS Instrumentation Scientist.

R. Indebetouw - (high mass) star formation, interstellar medium and molecular clouds, ALMA/NAASC Senior Research Associate.

P. R. Jewell-Interstellar molecules, molecular spectroscopy; Deputy Director.

N. Kanekar-Galaxy formation and evolution, damped Lyman-( systems, OH megamasers, structure of the ISM, the evolution of fundamental constants; Jansky Fellow.

K. I. Kellermann-Radio galaxies, quasars, cosmology; SKA design, radio telescopes.

A. R. Kerr-Millimeter-wave receiver development, SIS mixer design, ALMA Project.

L. Kogan-Theory of interferometry including space VLBI, design of array configurations (LWA, SKA); VLBA user support, AIPS group.

G. I. Langston- Transient event surveys; astro-chemistry; tests of particle physics models, Space VLBI new initiatives, Project Manager for NRAO/MIT/LL Bi-static-Radar Project.

H. S. Liszt-Molecular lines, millimeter-wave absorption-line spectroscopy, diffuse clouds, Galactic Center and galactic structure; foreign telescope travel fund, Spectrum Manager.

K. Y. Lo-Galactic center, star formation in dwarf galaxies, starburst galaxies and high-redshift galaxies, mega-masers and AGN, Hubble Constant and dark energy, intergalactic medium, microwave background radiation, millimeter- and submillimeter-wave interferometry; Director.

F. J. Lockman-Galactic structure, interstellar medium, and H II regions; GB education and outreach, GBT Principal Scientist.

J-P. Macquart-Interstellar scintillation, structure of the ISM, intra-day variability, AGN polarization and structure, gravitational radiation; Jansky Fellow.

R. J. Maddalena-Molecular clouds, interstellar medium, structure of spiral galaxies, high-redshift molecular emission galaxies, single-dish calibration algorithms, radio-frequency weather forecasting; Head, GBT Science Operations.

J. G. Mangum-Star formation, astrochemistry, molecular spectroscopy of comets; ALMA.

D. P. Marrone-Cosmology, CMB SZE, Galactic center, millimeter/submillimeter interferometry and instrumentation; Jansky Fellow.

B. S. Mason-Cosmology, cosmic microwave background; high-frequency instrumentation development for the GBT.

M. M. McKinnon-Pulsars, masers, interstellar medium, radio polarimetry, statistics; EVLA Project Manager.

J. P. McMullin-Star formation, interstellar medium, astronomical software systems; ALMA CIPT offline-subsystem lead, Science Software Group Project Manager.

D. S. Meier-Physical and chemical properties of nearby galaxies, young starbursts/super star cluster formation, interstellar prebiotic chemistry; Jansky Fellow.

N. Miller-Multi-wavelength studies of galaxy evolution, clusters of galaxies, deep radio continuum imaging; Jansky Fellow.

J. C. A. Miller-Jones-X-ray binaries, jet speeds, energetics and interaction with their environments, low-frequency transient surveys; Jansky Fellow.

A. H. Minter-Interstellar turbulence and galactic HI; GBT scientific support.

A. J. Mioduszewski-Astrometry of young stellar objects, microquasars, symbiotic stars; AIPS, VLBA, HSA and VLA support, student programs.

G. Moellenbrock-Polarization interferometry, VLBI techniques, astrometry, blazars; calibration and imaging algorithms, software for ALMA and EVLA, VLA and VLBA user support.

E. Momjian—LIRGs and ULIRGs, extargalactic HI, cm-wavelength molecular lines, VLBI imaging of high redshift quasars, EVLA testing and scientific support.

L. Morgan-Galactic triggered star formation, high-frequency instrumentation development for the GBT, GBT scientific support; NRAO Postdoctoral Fellow.

M. Morgan-Millimeter-wave MMIC design, MMIC-based instrumentation, arrays, receiver component development for EVLA, GBT, ALMA, and SKA.

S. Myers-Cosmology, cosmic background radiation, gravitational lenses; astronomical imaging, ALMA and VLA/EVLA scientific support, algorithm development; CASA Project Scientist.

P. J. Napier-Antenna and instrumentation systems for radio astronomy.

K. O'Neil-Extragalactic gas and dust, low-surface-brightness galaxies; Head, GBT Program Development.

J. Ott-Jansky Fellow.

F. N. Owen-Evolution of galaxies, clusters of galaxies, radio galaxies, deep continuum surveys; EVLA.

S. K. Pan-Superconducting millimeter- and submillimeter-wave low-noise devices, circuit and receiver development; CDL.

M. Pannella-Galaxy formation and evolution, structural and spectrophotometrical properties of galaxies; Research Associate

R. A. Perley-Radio galaxies, QSOs, interferometer techniques; EVLA Project Scientist.

D. J. Pisano-Extragalactic and galactic HI, high-velocity clouds, galaxy formation, starbursting galaxies, GBT scientific support; NRAO Postdoctoral Fellow.

M. Pospieszalski-Microwave and millimeter-wave low-noise devices, circuits and receivers, CMBR radiometers, EVLA/VLBA/GBT/ALMA receiver development support.

R. Prestage-Telescope performance and control, telescope metrology; Assistant Director, Green Bank Operations.

S. M. Ransom- Pulsar searches and timing (especially binary and millisecond pulsars) and applications for basic physics; GBT pulsar infrastructure improvement.

R. I. Reid- Radio galaxies, the warm ionized medium, automated data analysis, interferometric imaging, SKA configurations, ALMA project; Research Associate.

A. Remijan-Astrochemistry, astrobiology, physical and chemical conditions of the interstellar, circumstellar, and cometary media; NRAO Postdoctoral Fellow.

M. S. Roberts-Extragalactic hydrogen, normal galaxies, dark matter; Emeritus Scientist.

J. D. Romney-Active extragalactic radio sources, interstellar medium, spacecraft navigation, VLBI instrumentation, VLBA Sensitivity Upgrade Project leader, VLBA scientific support.

M. P. Rupen-X-ray binaries and transient sources, supernovae, interstellar medium; VLA and EVLA scientific support.

K. Saini-ALMA local-oscillator development, frequency-multiplier development, ALMA F ront-End System engineering.

D. S. Shepherd-Star formation, molecular outflows, disks around luminous young stellar objects, molecular chemistry, millimeter interferometry and mosaic techniques; Deputy Division Head, ALMA Computing.

L. O. Sjouwerman-Circumstellar masers and AGB stars, centers of the Galaxy and Andromeda, interstellar masers and SNR/MC interactions; VLA/VLBA data-reduction pipelines in AIPS, VLA/VLBA scientific support.

K. Spekkens-Spiral, galaxy structure and dynamics, dark matter, galaxy scaling relations, HI morphology of galaxies, disk-halo connection; Jansky Fellow.

R. A. Sramek- Normal galaxies, quasars, supernovae, aperture-synthesis techniques, ALMA System Development & Verification; Deputy Assistant Director, ALMA.

S. Srikanth-Development of polarizers for mm wave applications and broadband prime-focus feeds at centimeter wavelengths.

V. Strazzullo-Galaxy formation and evolution, galaxy clusters; Research Associate.

A. R. Thompson- Radio astronomy instrumentation, theory and practice of radio interferometry and synthesis imaging, interference mitigation and spectrum protection for radio astronomy; Emeritus Scientist.

B. E. Turner-Galactic and extragalactic interstellar molecules, interstellar chemistry, galactic structure; Retired.

J. S. Ulvestad-Seyfert, LINER, and starburst galaxies; extragalactic gamma-ray sources; intermediate-mass black holes; Assistant Director for New Initiatives Office.

J. M. Uson-Cosmology, dark matter, clusters of galaxies, superthin galaxies, spectral synthesis imaging; EPO scientist.

P. A. Vanden Bout-Interstellar medium, star formation, high-redshift molecular emission galaxies, galaxy formation/evolution.

G. A. van Moorsel-Dynamics of galaxies and groups of galaxies, techniques for image analysis.

J. Wagg-Research Associate.

R. C. Walker-Extragalactic radio sources; VLBI, VLBA development, VLBA scientific support, EVLA and SKA design.

W-H. Wang- formation and evolution of galaxies using optical, near-IR, mid-IR, submillimeter, and radio observations; Jansky Fellow.

J. C. Webber-Instrumentation development, program planning; Assistant Director for CDL; ALMA IPT Leader for Front End and Correlator.

D. Whysong-AGN, unification models, detection of the ionized IGM, dynamics; NRAO Postdoctoral Fellow.

H. A. Wootten-Star formation, structure and chemistry of the ISM in galaxies, circumstellar material; ALMA Project Scientist.

J. M. Wrobel-Intermediate-mass black holes, low-luminosity active galactic nuclei; VLA/VLBA scheduling, PST Subsystem Scientist.

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.