Signatures of Supermassive Black-Hole Binary Eccentricity in the Pulsar-Timing Array Band
02/17/2017 - 2:00pm to 3:00pm
California Institute of Technology
Pulsar-timing arrays are sensitive to the most massive compact binary systems in the Universe — supermassive black-hole binaries. The influence of galactic center dynamical influences will be evident in the shape of the spectrum of gravitational-waves from the ensemble population of binaries, while coherent searches for single sources can capture snapshots of the orbital evolution over thousands of years. I will review the recent advances in modeling stochastic and resolvable gravitaitonal-wave signals in the pulsar-timing band, and how we can use these signals to probe the dynamical environments of inspiraling supermassive black-holes.
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