Email: arras at virginia dot edu Phone: (434) 924-4888 Office: 215 Astronomy Building Address: Department of Astronomy University of Virginia PO Box 400325 Charlottesville, VA 22904-4325
PhD, Cornell University (2000) Advisor: Ira Wasserman "An environmental impact study: Using globular clusters to place limits on dark matter in the galactic halo."
Exoplanets A Model of the Halpha and NaD Transmission Spectrum of HD 189733b A New Model of Roche-lobe Overflow for Short-Period Gaseous Planets and Binary Stars Tidal Decay and Stable Roche-Lobe Overflow of Short-Period Gaseous Exoplanets Investigation of the environment around close-in transiting exoplanets using CLOUDY Axisymmetric Simulations of Hot Jupiter-Stellar Wind Hydrodynamic Interaction Magnetohydrodynamic Simulations of Hot Jupiter Upper Atmospheres Modules for Experiments in Stellar Astrophysics (MESA): Giant Planets, Oscillations, Rotation, and Massive Stars Halpha Absorption in Transiting Exoplanet Atmospheres The Radial Velocity Signature of Tides Raised in Stars Hosting Exoplanets Hot Jupiter Magnetospheres Thermal Tides in Fluid Extrasolar Planets Massive Satellites of Close-In Gas Giant Exoplanets The Role of Planet Accretion in Creating the Next Generation of Red Giant Rapid Rotators Thermal Tides in Short Period Exoplanets Thermal Structure and Radius Evolution of Irradiated Gas Giant Planets
Stellar oscillations and tidal evolution Nonlinear Mixed Modes in Red Giants Orbital Decay in Binaries Containing Post-Main Sequence Stars Dynamical resonance locking in tidally interacting binary systems Tidal resonance locks in inspiraling white dwarf binaries An instability due to the nonlinear coupling of p-modes to g-modes: Implications for coalescing neutron star binaries Nonlinear Tides in Close Binary Systems Tidal asteroseismology: Kepler's KOI-54 Pulsations in Hydrogen Burning Low Mass Helium White Dwarfs Ellipsoidal Oscillations Induced by Substellar Companions: A Prospect for the Kepler Mission Pulsational Instabilities in Accreting White Dwarfs Seismology of Accreting White Dwarfs
Compact stars and binaries Urca reactions during neutron star inspiral Formation of Extremely Low-mass White Dwarfs Binaries Using long-term millisecond pulsar timing to obtain physical characteristics of the bulge globular cluster Terzan 5 Seismology of Rapidly Rotating Accreting White Dwarfs Diffusive Nuclear Burning of Helium on Neutron Stars Oscillation modes of relativistic slender tori Quasi-Periodic Oscillations from Magnetorotational Turbulence
Astrophysical Processes (ASTR 4810/5010) Alien Worlds (ASTR 1250)