Astrophysics Research Interests
Faculty
 Professor James Stone: Astrophysical gas dynamics; star and planet formation, accretion flows, interstellar gas dynamics. Numerical algorithms for magnetohydrodynamics and radiation hydrodynamics
 Professor Matias Zaldarriaga: Cosmology  early universe cosmology, cosmological perturbation theory, cosmic microwave background, largescale structure, dark matter and dark energy
Visiting Professor

Maureen and John Hendricks Visiting Professor Rashid Sunyaev: Theoretical astrophysics, high energy astrophysics and cosmology: including CMB, clusters of galaxies, theory of accretion onto black holes and neutron stars, interaction of matter and radiation under astrophysical conditions, xray astronomy
Current Members

Lev Arzamasskiy (starting Fall 2020): Plasma astrophysics, collisionless turbulence, particle heating, plasma instabilities, accretion disks, solar wind, intracluster medium

Gaspar Bakos (starting Fall 2020): Allsky variability, transiting extrasolar planets, cosmic explosions, astronomical instrumentation, robotic telescopes

Giovanni Cabass (starting Fall 2020): Effective field theory methods in cosmology: inflation and largescale structure; galaxy bias; nonGaussianity of primordial gravitational waves

Sukanya Chakrabarti (starting Fall 2020): Galactic dynamics (dark matter, dwarf galaxies; simulations and observations), timedomain astronomy (lensed supernovae)

Horng Sheng Chia (starting Fall 2020): Gravitational waves, orbital dynamics, black holes and neutron stars, astroparticle physics, dark matter, physics beyond the Standard Model, cosmology

Susan Clark: Magnetic fields, interstellar medium, polarized cosmological foregrounds, magnetohydrodynamics, magnetorotational instability, pattern formation, machine vision

Shany Danieli (starting Fall 2020): Galaxy formation and evolution, galactic dynamics, dark matter, nearfield cosmology, dwarf galaxies, ultradiffuse galaxies, globular clusters, stellar populations, low surface brightness imaging and spectroscopy, astronomical surveys, instrumentation

Jo Dunkley (starting Fall 2020): Cosmology, cosmic microwave background, neutrinos, largescale structure, dark matter, dark energy

Eric Ford (starting Fall 2020): Exoplanets, planet formation, demographics of planetary system architectures, Mitigating impact of stellar variability on Doppler planet surveys, Bayesian computation & inference

Brenda Frye (starting Fall 2020): Gravitational lensing by galaxy clusters, galaxy cluster evolution, lensed transients, intergalactic medium, data analysis techniques

Jeffrey Fung: Planet formation, protoplanetary disks, debris disks, astrophysical fluid dynamics, numerical methods, GPU computing

Daniel Grin (starting Fall 2020): Ultralight axions, primordial recombination, generalized darkmatter models, cosmicmicrowave background theory, varying fundamental 'constants', primordial isocurvature fluctuations, applications of principal component analysis, CMB spectral distortions, and darkmatter direct detection

Alexander Kaurov: Reionization, cosmology, early universe and galaxy formation, 21 cm probes; dark matter annihilation; neutron stars

Helmer Koppelman (starting Fall 2020): Formation and evolution of the Milky Way, Galactic dynamics, large astronomical surveys (emphasis on Gaia), dark matter, Nbody simulations, big data analysis, machine learning

Jing Luan: Orbital dynamics: mean motion resonance, secular resonance; dynamic tides: resonance locking; Asteroseismology: solarlike oscillations, nonlinear modal coupling; planetary interiors: Jupiter, Saturn, Enceladus, Europa, etc.

Lia Medeiros: Black holes, the Galactic center black hole Sgr A*, the Event Horizon Telescope, tests of GR, accretion disks, variability of accreting systems, principal components analysis, simulations

Elias Most: (starting Fall 2020): Gravitational waves, neutron stars, neutron star equation of state, neutron star mergers, electromagnetic precursors, magnetohydrodynamics, numerical relativity, numerical methods for astrophysical fluid dynamics

Elena Murchikova: Milky Way's Galactic Centre black hole Sagittarius A*; black hole accretion; accretion disks; ALMA; neutron stars and chiral fluids

Roman Rafikov: Theoretical astrophysics, planetary sciences, planet formation, Nbody dynamics, astrophysical fluid dynamics, accretion disks, highenergy astrophysics

Carolyn Raithel (starting Fall 2020): Neutron stars, the densematter equation of state, gravitational waves, neutron star mergers, Bayesian inference, numerical simulations, corecollapse supernovae

Marcel Schmittfull: Cosmology, largescale structure, gravitational lensing of the cosmic microwave background; inflation, dark energy, neutrinos; observables beyond the power spectrum

YuanSen Ting: Machine learning; formation and evolution of the Milky Way; local group cosmology; stellar atmosphere and spectra; stellar populations; stellar evolution; galactic dynamics; intermediate mass black holes; cosmology; weak lensing

Elizabeth Tolman (starting Fall 2020): Magnetic reconnection, magnetohydrodynamics, kinetic theory, plasma transport, plasmoid instability, pulsars, tokamaks

Benjamin Wallisch: Cosmology – cosmic microwave background, largescale structure, neutrinos and other light relics, cosmological signatures of physics beyond the Standard Model, inflation

David Weinberg (starting Fall 2020): Cosmology, large scale structure and weak lensing as probes of cosmic acceleration; galaxy formation, chemical evolution of the Milky Way; astronomical surveys

Siyao Xu (starting Fall 2020): Magnetohydrodynamic turbulence, turbulent dynamo, magnetic reconnection, cosmic rays, (first) star formation, highenergy astrophysics, interstellar / intergalactic turbulence

Barak Zackay: Applications of algorithms, statistics and signal processing in observational astronomy, particularly in searching for optical transients, fast radio bursts, pulsars, gravitational waves and exoplanets; anything that relates to pulsars, fast radio bursts, planets and gravitational waves