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Environment and Galaxy Host Properties of PTA and eLISA Sources

Published online by Cambridge University Press:  27 October 2016

Eva Martínez Palafox ,
Octavio Valenzuela ,
Pedro Colín  and
Stefan Gottlöber
Eva Martínez Palafox
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, A.P. 70-264, Ciudad Universitaria, D.F., México. email: evam@astro.unam.mx
Octavio Valenzuela
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, A.P. 70-264, Ciudad Universitaria, D.F., México. email: evam@astro.unam.mx
Pedro Colín
Affiliation:
Instituto de Radioastronomía y Astrofísica, Universidad Nacional Autónoma de México, A.P. 72-3 (Xangari), Morelia, Michoacán 58089, México
Stefan Gottlöber
Affiliation:
Leibniz Institute for Astrophysics, An der Sternwarte 16, D-14482 Potsdam, Germany
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Abstract

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We use a dynamical model for the decay of supermassive black hole binaries (BHBs) coupled with a cosmological simulation and semi-empirical approaches to the occupation of halos by galaxies and BHs, in order to investigate the properties of galaxies hosting BHBs. We found bimodal distributions of hosts properties, with one peak corresponding to BHBs suitable to be detected by PTAs and the other to BHBs in the eLISA frequency window. We note that for some of the scenarios explored there must be a considerable population of such sources in the nearby Universe that might show detectable EM signatures, representing an important laboratory for multimessenger astrophysics.

Keywords

galaxies: kinematics and dynamicsgalaxies: nucleiblack hole physics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29B: Astronomy in Focus , August 2015 , pp. 309 - 310
Copyright
Copyright © International Astronomical Union 2016 

References

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