Looking for Massive Black Holes with Pulsar Timing and LISA

Details Looking for Massive Black Holes with Pulsar Timing and LISA Looking for Massive Black Holes with Pulsar Timing and LISA

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.c5002j&link_type=abstract

American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #C5.002

Physics

Scientific paper

The existence of Massive Black Holes (MBHs)at the centers of the spheroidal galactic components is well-established at low redshift from observations of their gravitational effects, and at high redhsift from the implications of AGN activity. Combined with theoretical and observational evidence for the hierarchical assembly of galaxies, this implies that MBH binaries should form as a regular part of the buildup of present-day galaxies. I will discuss the life cycle of these binaries in the context of measurements of the galaxy merger rate and the still-unanswered question of whether the binary can be driven towards a final merger and the resulting gravitational radiation. Finally, I will show the power spectrum of gravitational radiation from these processes, and discuss implications for detection at low frequencies by pulsar timing and at higher frequencies by LISA.

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