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Dr. Philip Kaaret
Astrophysicist, Smithsonian Astrophysical Observatory

Philip Kaaret Philip Kaaret is an Astrophysicist at the Smithsonian Astrophysical Observatory and a member of the Harvard-Smithsonian Center for Astrophysics. Kaaret received a B.S. in Physics in 1984 from the Massachusetts Institute of Technology, and a Ph.D. in experimental particle physics from Princeton University in 1989. He was subsequently on the faculty of the Physics Department at Columbia University in New York City before coming to SAO in 1998.

Kaaret's main interest is understanding the intense gravitational fields surrounding black holes and neutron stars made luminous by accreting gas from a companion star. He conducts observations at X-ray, optical, and radio wavelengths of objects in our Milky Way galaxy and in nearby galaxies such as the Andromeda galaxy and the starburst galaxy M82. His current work concerns the highly luminous X-ray sources in nearby galaxies which have been interpreted as being intermediate mass black holes, jet ejection from black holes, and the study of black hole populations to probe the star formation history of galaxies.

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