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Relevant bibliographies by topics / Coalescence de binaire compacte / Dissertations / Theses

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Dissertations / Theses on the topic 'Coalescence de binaire compacte'

Author: Grafiati

Published: 23 November 2024

Last updated: 19 July 2025

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1

Andres, Nicolas. "Optimisation de la chaîne d'analyse MBTA et développement d'une méthode d'étalonnage de la réponse fréquentielle du détecteur d'onde gravitationnelle Virgo." Electronic Thesis or Diss., Chambéry, 2023. http://www.theses.fr/2023CHAMA029.

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La collaboration LIGO Virgo a marqué les débuts de l'astronomie gravitationnelle en apportant une preuve directe de leur existence en Septembre 2015. Ce domaine connaît depuis un bel essor dont chaque découverte permet une avancée dans les disciplines telles que l'astrophysique, la cosmologie et la physique fondamentale. À l'issue de chaque période d'observation, les détecteurs sont arrêtés et de nombreux aspects sont améliorés. Ce travail s'inscrit durant la phase de préparation entre la période O3 et O4 débutant en mai 2024 visant à configurer les interféromètres dans leurs états avancés en

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2

Kiendrébéogo, Ramodgwendé Weizmann. "Développements pour l'observation et la caractérisation des sources multi-messagers d'ondes gravitationnelles lors des campagnes d'observation LIGO-Virgo-KAGRA." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5034.

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Les campagnes d'observation d'Advanced LIGO/Virgo ont révélé la physique complexe des fusions d'étoiles à neutrons binaires (BNS) et de trous noirs binaires. En 2017, la découverte simultanée des ondes gravitationnelles (OG) et des contreparties électromagnétiques (EM) d'une fusion de BNS a offert une vision détaillée de ce phénomène, avec de nombreux résultats en astrophysique, notamment sur la matière ultra-dense. Cependant, depuis lors, aucune nouvelle détection multi-messagers n'a été réalisée. Cela est dû aux défis des alertes rapides des OG, de la réactivité des télescopes et du traiteme

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3

MacLeod, Duncan. "Improving the sensitivity of searches for gravitational waves from compact binary coalescences." Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/50885/.

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The detection of gravitational waves from the coalescence of two compact objects has been brought to within touching distance by the construction and operation of a global network of laser-interferometer detectors. However, the amplitude of the radiation from these events is so low that direct detection will require the combined innovations of advanced interferometry and detector characterisation, along with powerful methods of extracting weak, but modelled, signals from the background detector noise. This work focuses on enhancing the probability of such detection through improved identi�cati

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4

Renvoizé, Vincent. "Hydrodynamique et évolution d'objets compacts : binaires serrées et naines blanches." Lyon, École normale supérieure (sciences), 2002. http://www.theses.fr/2002ENSL0221.

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Le travail présenté est constitué de trois parties indépendantes. Dans la première partie, on étudie à l'aide de la technique SPH (Smoothed Particle Hydrodynamics) la déformation du secondaire au contact de Roche dans les variables cataclysmiques (CV). Ces déformations conduisent à une période orbitable plus grande que celle prévue par la troisième loi de Képler. La prise en compte de cette modification dans des modèles dévolution de CV explique partiellement pourquoi la période des CV observées a un minimum vers 80 minutes. La deuxième partie traite des binaires serrées de naines blanches. On

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5

Grover, Katherine L. "Physics and astrophysics with gravitational waves from compact binary coalescence in ground based interferometers." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6410/.

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Advanced ground based laser interferometer gravitational wave detectors are due to come online in late 2015 and are expected to make the first direct detections of gravitational waves, with compact binary coalescence widely regarded as one of the most promising sources for detection. In Chapter I I compare two techniques for predicting the uncertainty of sky localization of these sources with full Bayesian inference. I find that timing triangulation alone tends to over-estimate the uncertainty and that average predictions can be brought to better agreement by the inclusion of phase consistency

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6

Germain, Vincent. "De l'étalonnage d'Advanced Virgo à la recherche d'ondes gravitationnelles émises par des coalescences de binaires compactes." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAY101/document.

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L'ère de l'astronomie gravitationnelle a commencé avec la première détection d'une onde gravitationnelle le 14 septembre 2015, par la collaboration LIGO-Virgo. Les premières détections proviennent de coalescences de trous noirs de quelques dizaines de masses solaires. Le détecteur européen Advanced Virgo a redémarré en 2017 pour participer aux prochaines détections d'ondes gravitationnelles et localiser les sources astrophysiques.Cette thèse a pour sujet les différentes étapes du processus de détection des ondes gravitationnelles : de l'étalonnage du détecteur Advanced Virgo à l'analyse en tem

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7

Indik, Nathaniel [Verfasser]. "Optimal Template Placement for Searches of Gravitational Waves from Precessing Compact Binary Coalescences / Nathaniel Indik." Hannover : Gottfried Wilhelm Leibniz Universität, 2018. http://d-nb.info/1160378878/34.

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8

Chan, Man Leong. "Optimization of electromagnetic follow up observations and localization of gravitational wave signals from compact binary coalescences." Thesis, University of Glasgow, 2018. http://theses.gla.ac.uk/31007/.

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Many gravitational wave sources will produce electromagnetic signals as they emit gravitational waves. An important example is binary neutron star mergers. The joint observations and discoveries of the electromagnetic signatures of these gravitational wave sources can produce substantial scientific benefits in physics, astrophysics and cosmology. To maximize the scientific outcomes of such gravitational events as much as possible, the detections of their electromagnetic signatures are necessary. The first detection of the inspiral signals from binary neutron stars by LIGO and VIRGO, and the ob

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9

McKechan, David J. A. "On the use of higher order wave forms in the search for gravitational waves emitted by compact binary coalescences." Thesis, Cardiff University, 2010. http://orca.cf.ac.uk/54982/.

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This thesis concerns the use, in gravitational wave data analysis, of higher order wave form models of the gravitational radiation emitted by compact binary coalescences. We begin with an introductory chapter that includes an overview of the theory of general relativity, gravitational radiation and ground-based interferometric gravitational wave detectors. We then discuss, in Chapter 2, the gravitational waves emitted by compact binary coalescences, with an explanation of higher order waveforms and how they differ from leading order waveforms we also introduce the post-Newtonian formalism. In

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10

Nitoglia, Elisa. "Gravitational-wave data analysis for standard and non-standard sources of compact binary coalescences in the third LIGO-Virgo observing run." Electronic Thesis or Diss., Lyon 1, 2023. http://www.theses.fr/2023LYO10143.

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Cette thèse de doctorat présente une enquête approfondie sur la détection des signaux d'ondes gravitationnelles provenant de fusions binaires compactes, en mettant l'accent particulier sur l'analyse des données de la troisième campagne d'observation de la Collaboration LIGO-Virgo. Le manuscrit commence par fournir une introduction aux principes fondamentaux de la théorie de la relativité générale, y compris la prédiction de l'existence des ondes gravitationnelles et un aperçu des sources astrophysiques qui génèrent ces ondes. Il fournit également une description détaillée des interféromètres,

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11

Cabero, Müller Miriam Anabel [Verfasser]. "Gravitational-wave astronomy with compact binary coalescences : from blip glitches to the black hole area increase law / Miriam Anabel Cabero Müller." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2018. http://d-nb.info/1165251078/34.

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12

Cabero, Müller Miriam [Verfasser]. "Gravitational-wave astronomy with compact binary coalescences : from blip glitches to the black hole area increase law / Miriam Anabel Cabero Müller." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2018. http://d-nb.info/1165251078/34.

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13

Simakov, Dmitry [Verfasser]. "Dynamical tuning of a signal recycled gravitational wave detector : dynamical effects and sensitivity gain of dynamical tuning during detection of a chirp signal from compact binary coalescences / Dmitry Simakov." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2014. http://d-nb.info/1051038081/34.

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14

Sachdev, Surabhi. "Searching for Gravitational Waves from Compact Binary Coalescences in Advanced LIGO Data." Thesis, 2019. https://thesis.library.caltech.edu/11491/14/Sachdev_Surabhi_2018.pdf.

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<p>Advanced LIGO's first observing run marked the birth of gravitational-wave astronomy through the first detection of gravitational waves from coalescing black holes-GW150914. Advanced LIGO's second and Advanced Virgo's first observing run marked the birth of multimessenger astronomy with first joint observations of gravitational and electromagnetic radiation associated with coalescing neutron stars-GW170817. The electromagnetic observations included detection of a burst of gamma rays produced by the merger, and a kilonova powered by the radioactive decay of r-process nuclei synthesized in th

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15

Frei, Melissa Anne. "Comparative efficiency and parameter recovery of spin aligned templates for compact binary coalescence detection." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-08-4170.

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Compact binary coalescing systems: binary neutron stars, neutron star black hole pairs and binary black hole systems, represent promising candidates for gravitational wave first detection and have the potential to provide precise tests of the strong-field predictions of general relativity. Observations of binary black hole (BBH) systems will provide a wealth of information relevant to fundamental physics, astrophysics and cosmology. The search for such systems is a major priority of the Laser Interferometer Gravitational-Wave Observatory (LIGO) and Virgo collaborations. A major area of researc

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16

Keppel, Drew Garvin. "Signatures and Dynamics of Compact Binary Coalescences and a Search in LIGO’s S5 Data." Thesis, 2009. https://thesis.library.caltech.edu/1901/22/thesis.pdf.

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In this thesis, we probe several aspects of compact binary environments, focusing on results of orbits and collisions of compact objects. First, we describe a search for low-mass compact-binary-coalescence gravitational-wave signals in data from the LIGO detectors' most sensitive, longest-running science run to date (S5). We also go into detail on the interpretation of the results including its development. We then investigate the bounds on the mass of the graviton that could be achieved from the detection gravitational waves from a binary black hole merger. Last, we study the flow of momen

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