Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.496v&link_type=abstract
Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:
Astronomy and Astrophysics
Astrophysics
Scientific paper
Massive black hole binary systems are among the most interesting sources for space-based detectors of gravitational waves (LISA/OMEGA). The signals produced during the last year of in-spiral are detectable with very large signal-to-noise. However, the event rate of massive black hole binary coalescences is at present largely unknown, and depends on theoretical prejudice and model assumptions. It has long been emphasized that observations of such signals could have strongimplications on the measurement of the foundamental cosmological parameters and possibly on the understanding of the scenario of structure formation in the Universe. We compute here the expected number of detectable events during the LISA/OMEGA missions based on the viable scenarios for structure formation. We discuss the results as a function of the relevant cosmological parameters and of the instrumental features.
Alessandra Papa Maria
Colafrancesco Sergio
Vecchio Alberto
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