gravitational wave
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Author(s):  
Luca Baiotti

AbstractI review the current global status of research on gravitational waves emitted from mergers of binary neutron star systems, focusing on general-relativistic simulations and their use to interpret data from the gravitational-wave detectors, especially in relation to the equation of state of compact stars.


Galaxies ◽  
2022 ◽  
Vol 10 (1) ◽  
pp. 12
Author(s):  
Derek Davis ◽  
Marissa Walker

Since the early stages of operation of ground-based gravitational-wave interferometers, careful monitoring of these detectors has been an important component of their successful operation and observations. Characterization of gravitational-wave detectors blends computational and instrumental methods of investigating the detector performance. These efforts focus both on identifying ways to improve detector sensitivity for future observations and understand the non-idealized features in data that has already been recorded. Alongside a focus on the detectors themselves, detector characterization includes careful studies of how astrophysical analyses are affected by different data quality issues. This article presents an overview of the multifaceted aspects of the characterization of interferometric gravitational-wave detectors, including investigations of instrumental performance, characterization of interferometer data quality, and the identification and mitigation of data quality issues that impact analysis of gravitational-wave events. Looking forward, we discuss efforts to adapt current detector characterization methods to meet the changing needs of gravitational-wave astronomy.


2022 ◽  
Vol 105 (2) ◽  
Author(s):  
Arianna I. Renzini ◽  
Joseph D. Romano ◽  
Carlo R. Contaldi ◽  
Neil J. Cornish

2022 ◽  
Vol 105 (2) ◽  
Author(s):  
Zheng-Cheng Liang ◽  
Yi-Ming Hu ◽  
Yun Jiang ◽  
Jun Cheng ◽  
Jian-dong Zhang ◽  
...  

2022 ◽  
Vol 105 (2) ◽  
Author(s):  
Guillaume Boileau ◽  
Alexander C. Jenkins ◽  
Mairi Sakellariadou ◽  
Renate Meyer ◽  
Nelson Christensen

Author(s):  
Rabinarayan Swain ◽  
Priyasmita Panda ◽  
Hena Priti Lima ◽  
Bijayalaxmi Kuanar ◽  
Biswajit Dalai

Detection of Gravitational waves opened a new path for cosmological study in a new approach. From the detection of gravitational waves signal by advanced LIGO, its research climbed the peak. After the collaboration of LIGO and Virgo, several observations get collected from different sources of binary systems like black holes, binary neutron stars even both binary black hole and neutron star. The rigorous detection of gravitational signals may provide an additional thrust in the study of complex binary systems, dark matter, dark energy, Hubble constant, etc. In this review paper, we went through multiple research manuscripts to analyze gravitational wave signals. Here we have reviewed the history and current situation of gravitational waves detection, and we explained the concept and process of detection. Also, we go through different parts of a detector and their working. Then multiple gravitational wave signals are focused, originated from various sources and then found correlation between them. From this, the contribution of gravitational waves in different fields like complex binary systems (black holes, neutron stars), dark matter, dark energy and Hubble Constant have been discussed in this manuscript.


2022 ◽  
Vol 105 (2) ◽  
Author(s):  
Hajime Sotani ◽  
Akira Dohi

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