Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.c5004h&link_type=abstract
American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #C5.004
Physics
Scientific paper
One gravitational-wave source that is of particular interest for observations by the planned space-based gravitational-wave antenna LISA is the capture of stellar mass compact bodies by massive, galactic black holes. Current wisdom suggests that such captures occur often enough to provide a very interesting event rate. These sources offer an opportunity to measure with great precision the properties of black holes - their masses, their spins, the influence of their event horizons. They can even be used to check that only mass and spin determine their spacetime geometry, as dictated by the "no hair" theorems of general relativity. Because of their extreme mass ratio, these capture binaries are amenable to a perturbative treatment, making theoretical analysis of their evolution and gravitational-wave emission relatively simple. In this talk, I will give an overview of these sources and their promise for measure and testing black hole properties. I will describe the state of theoretical work to understand the waves they generate, and of progress to develop for techniques for measuring their signature.
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