Universal Relations for Rotating Scalar and Vector Boson Stars

Bosonic stars represent a hypothetical exotic type of compact stellar objects that could be observed from the gravitational signal of coalescing binaries in current and future gravitational wave detectors. There are two main families of bosonic stars, which depend on the nature that governs the part...

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Bibliographic Details
Published in:arXiv.org 2024-08
Main Authors: Adam, Christoph, Jorge Castelo Mourelle, Etevaldo dos Santos Costa Filho, Herdeiro, Carlos A R, Wereszczynski, Andrzej
Format: Article
Language:English
Subjects:
Gravitational waves
Rotation
Stars
Online Access:Get full text
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Summary:Bosonic stars represent a hypothetical exotic type of compact stellar objects that could be observed from the gravitational signal of coalescing binaries in current and future gravitational wave detectors. There are two main families of bosonic stars, which depend on the nature that governs the particles that build them: Einstein-Klein-Gordon and Proca Stars. We study the multipolar structure for both families of rotating objects, using realistic potentials with the aim of finding possible universal relations and, thus, a method that allows us to distinguish between these and other compact objects in the gravitational wave paradigm. We also show how certain relevant observables can be obtained for these hypothetical but well-motivated astrophysical objects.
ISSN:2331-8422