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Title:
Emission lines as a tool in search for supermassive black hole binaries and recoiling black holes
Authors:
Bogdanović, Tamara; Eracleous, Michael; Sigurdsson, Steinn
Affiliation:
AA(Department of Astronomy, University of Maryland, College Park, MD 20742, United States), AB(Department of Astronomy & Astrophysics and Center for Gravitational Wave Physics, Pennsylvania State University, State College, PA 16802, United States), AC(Department of Astronomy & Astrophysics and Center for Gravitational Wave Physics, Pennsylvania State University, State College, PA 16802, United States)
Publication:
New Astronomy Reviews, Volume 53, Issue 7-10, p. 113-120. (NewAR Homepage)
Publication Date:
07/2009
Origin:
ELSEVIER
PACS Keywords:
Physics of black holes, Radiation gas dynamics, Hydrodynamics, Quasars, Infall, accretion, and accretion disks
Abstract Copyright:
Elsevier B.V.
DOI:
10.1016/j.newar.2009.09.005
Bibliographic Code:
2009NewAR..53..113B

Abstract

Detection of electromagnetic (EM) counterparts of pre-coalescence binaries has very important implications for our understanding of the evolution of these systems as well as the associated accretion physics. In addition, a combination of EM and gravitational wave signatures observed from coalescing supermassive black hole binaries (SBHBs) would provide independent measurements of redshift and luminosity distance, thus allowing for high precision cosmological measurements. However, a statistically significant sample of these objects is yet to be attained and finding them observationally has proven to be a difficult task. Here we discuss existing observational evidence and how further advancements in the theoretical understanding of observational signatures of SBHBs before and after the coalescence can help in future searches.
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