Dimitrios Psaltis
Professor of Astronomy and Physics
Steward Observatory
The University of Arizona
933 N. Cherry Ave, Tucson, AZ 85721
September 2012: New paper "Narrow Atomic Features from Rapidly Spinning Neutron Stars" by M. Baubock, D. Psaltis, & F. Ozel, submitted to ApJ.
January 2012: Conference: "Bringing Black Holes into Focus: The Event Horizon Telescope", in Tucson, AZ
October 2010: Our work on testing the no-hair theorem is discussed in the cover article of Science News.

science news


Welcome! I am a professor of Astronomy and Physics at the University of Arizona. I am also a member of the Theoretical Astrophysics Program.

My research focuses on testing the theory of general relativity in the strong-field regime and in cosmological settings. I also work on various aspects of the physics and astrophysics of neutron stars and black holes, as well as on the properties of magnetohydrodynamic turbulence. I routinely solve problems that involve hydrodynamics and photon transport in extreme physical conditions, using large-scale numerical simulations on CPU- and GPU-based clusters.

I collaborate closely with the graduate and undergraduate students in my research group. Our theoretical studies are closely related to observations made with current X-ray telescopes. I am a member of various science working groups assisting the design of future space missions such as LOFT and NICER. I am also involved in the Event Horizon Telescope, which aims to take the first pictures of the horizons of astrophysical black holes.

I regularly teach undergraduate and graduate classes in the Physics and Astronomy departments. I recently taught classes on Numerical Methods in Physics, on Theoretical Mechanics I and II , on Theoretical Astrophysics, and on General Relativity.