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 Relativistic Astrophysics
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Scientists in this group work on a range of topics, including:

  • Gravitational-wave sources
  • Gravitational-wave data analysis
  • Tests of General Relativity
  • Mathematical Relativity
  • Time Delay Interferometry and
  • Gamma-ray astronomy.

LIGO, with detectors in Livingston, LA, and Hanford, WA, is currently the most sensitive gravitational-wave detector in the world. Some of our members work on LIGO data analysis and are members of the LIGO Scientific Collaboration. We are very actively involve in LISA, a joint NASA/ESA project to fly a gravitational-wave detector in space. Time-delay interferometry (TDI), a key technology for making LISA work, was developed by two of our group members, who also work on applications of TDI to other space measurements.

Tests of General Relativity that we are involved with include Lunar Laser Ranging, studies of the Pioneer anomaly, and the proposed LATOR mission. Our research also includes analysis of gamma-ray data to better understand the properties and environments of black holes and neutron stars.


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