Research Note

Binary black holes in Mkns as sources of gravitational radiation for space based interferometers

¹ Dipartimento di Fisica Universita di Lecce and INFN, Sezione di Lecce, Italy
² Institute of Theoretical and Experimental Physics, 25, B. Cheremushkinskaya st., Moscow 117259, Russia
³ Astro Space Centre of Lebedev Physics Institute, Moscow,
⁴ National Astronomical Observatories, Chinese Academy of Sciences, 100012 Beijing, China

Corresponding author: A. A. Nucita, nucita@le.infn.it

Received: 30 April 2003
Accepted: 8 August 2003

Abstract

The possibility that some Markarian objects (e.g. Mkn 501, Mkn 421 and Mkn 766) host massive binary black hole systems with eccentric orbits at their centers has been considered. These systems could be sources of gravitational radiation for space-based gravitational wave interferometers like LISA and ASTROD. In the framework of the Lincoln–Will approximation we simulate coalescence of such systems, calculate gravitational wave templates and discuss parameters of these binary black hole systems corresponding to the facilities of LISA and ASTROD. We discuss also the possibility to extract information about parameters of the binary black hole systems (masses, of components, distances between them, eccentricity and orbit inclination angle with respect to line of sight) from future gravitational wave measurements.