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相关论文: Study of statistical properties of hybrid statisti…

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In this paper we compare the performance of two likelihood ratio based detection statistics namely maximum likelihood ratio statistic and {\it hybrid} statistic designed for the detection of gravitational waves from compact binary…

天体物理仪器与方法 · 物理学 2017-11-17 K. Haris , Vinaya Valsan , Archana Pai

Global network of advanced Interferometric gravitational wave (GW) detectors are expected to be on-line soon. Coherent observation of GW from a distant compact binary coalescence (CBC) with a network of interferometers located in different…

广义相对论与量子宇宙学 · 物理学 2017-11-17 K Haris , Archana Pai

We present the expected performance regarding fast sky localization of coalescing binaries with a network of three gravitational wave detectors having heterogeneous sensitivities, such as the LIGO-Virgo network. A hierarchical approach can…

高能天体物理现象 · 物理学 2019-05-08 Y. Fujii , T. Adams , F. Marion , R. Flaminio

Advanced LIGO and Virgo have so far detected gravitational waves from 10 binary black hole mergers (BBH) and 1 binary neutron star merger (BNS). In the future, we expect the detection of many more marginal sources, since compact binary…

广义相对论与量子宇宙学 · 物理学 2019-01-03 Yiwen Huang , Hannah Middleton , Ken K. -Y. Ng , Salvatore Vitale , John Veitch

Low-latency analyses of gravitational-wave (GW) data from LIGO, Virgo, and KAGRA enable rapid detection of compact binary coalescences (CBC) and prompt sky localization, essential for electromagnetic follow-up in multi-messenger astronomy.…

高能天体物理现象 · 物理学 2025-10-28 Amazigh Ouzriat , Viola Sordini , Francesco Di Renzo

We present the results on the search for the coalescence of compact binary mergers using convolutional neural networks and the LIGO/Virgo data for the O3 observation period. Two-dimensional images in time and frequency are used as input.…

广义相对论与量子宇宙学 · 物理学 2024-06-14 Alexis Menéndez-Vázquez , Marc Andrés-Carcasona , Mario Martínez , Lluïsa-Maria Mir

In this paper, we study an application of deep learning to the advanced LIGO and advanced Virgo coincident detection of gravitational waves (GWs) from compact binary star mergers. This deep learning method is an extension of the Deep…

天体物理仪器与方法 · 物理学 2019-02-20 Xilong Fan , Jin Li , Xin Li , Yuanhong Zhong , Junwei Cao

LIGO observatories in Livingston, LA and Hanford, WA may detect gravitational waves emitted from coalescing binary systems composed of two compact objects. In order to detect compact binary coalescence (CBC) events, LIGO searches utilize…

广义相对论与量子宇宙学 · 物理学 2008-02-12 Andres Rodriguez

We present the results on the search for the coalescence of compact binary mergers with very asymmetric mass configurations using convolutional neural networks and the LIGO/Virgo data for the O3 observation period. Two-dimensional images in…

广义相对论与量子宇宙学 · 物理学 2023-04-26 M. Andres-Carcasona , A. Menendez-Vazquez , M. Martinez , Ll. M. Mir

We present results on the search for the coalescence of compact binary mergers using convolutional neural networks and the LIGO/Virgo data, corresponding to the O2 observation period. Two-dimensional images in time and frequency are used as…

广义相对论与量子宇宙学 · 物理学 2021-04-21 A. Menéndez-Vázquez , M. Kolstein , M. Martínez , Ll. M. Mir

We discuss the coherent search strategy to detect gravitational waves from inspiraling compact binaries by a network of correlated laser interferometric detectors. From the maximum likelihood ratio statistic, we obtain a coherent statistic…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Hideyuki Tagoshi , Himan Mukhopadhyay , Sanjeev Dhurandhar , Norichika Sago , Hirotaka Takahashi , Nobuyuki Kanda

We compare two strategies of multi-detector detection of compact binary inspiral signals, namely, the coincidence and the coherent. For simplicity we consider here two identical detectors having the same power spectral density of noise,…

广义相对论与量子宇宙学 · 物理学 2009-11-11 Himan Mukhopadhyay , Norichica Sago , Hideyuki Tagoshi , Sanjeev Dhurandhar , Hirotaka Takahashi , Nobuyuki Kanda

We compare two multi-detector detection strategies, namely, the coincidence and the coherent, for the detection of spinless inspiraling compact binary gravitational wave signals. The coincident strategy treats the detectors as if they are…

广义相对论与量子宇宙学 · 物理学 2011-09-30 S. Dhurandhar , H. Mukhopadhyay , H. Tagoshi , N. Kanda

Short-duration noise transients in LIGO and Virgo detectors significantly affect the search sensitivity of compact binary coalescence (CBC) signals, especially in the high mass region. In a previous work by the authors \cite{Joshi_2021}, a…

广义相对论与量子宇宙学 · 物理学 2024-09-26 Sunil Choudhary , Sukanta Bose , Sanjeev Dhurandhar , Prasanna Joshi

Maximizing the number of detections in matched filter searches for compact binary coalescence (CBC) gravitational wave (GW) signals requires a model of the source population distribution. In previous searches using the PyCBC framework,…

广义相对论与量子宇宙学 · 物理学 2024-12-13 Praveen Kumar , Thomas Dent

We compare evolutionary predictions of double compact object merger rate densities with initial and forthcoming LIGO/Virgo upper limits. We find that: (i) Due to the cosmological reach of advanced detectors, current conversion methods of…

We estimate the expected signal-to-noise ratios (SNRs) from the three phases (inspiral,merger,ringdown) of coalescing binary black holes (BBHs) for initial and advanced ground-based interferometers (LIGO/VIRGO) and for space-based…

广义相对论与量子宇宙学 · 物理学 2009-12-30 Eanna E. Flanagan , Scott A. Hughes

We describe the implementation of a search for gravitational waves from compact binary coalescences in LIGO and Virgo data. This all-sky, all-time, multi-detector search for binary coalescence has been used to search data taken in recent…

The output of gravitational-wave interferometers, such as LIGO and Virgo, can be highly non-stationary. Broadband detector noise can affect the detector sensitivity on the order of tens of seconds. Gravitational-wave transient searches,…

天体物理仪器与方法 · 物理学 2020-08-07 S. Mozzon , L. K. Nuttall , A. Lundgren , T. Dent , S. Kumar , A. H. Nitz

We estimate binary compact object merger detection rates for LIGO, including the binaries formed in ellipticals long ago. Specifically, we convolve hundreds of model realizations of elliptical- and spiral-galaxy population syntheses with a…

宇宙学与河外天体物理 · 物理学 2015-05-14 R. O'Shaughnessy , V. Kalogera , K. Belczynski
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