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pro vyhledávání: '"Cheung, P. H."'
The wolensing Python package offers a solution for gravitational wave lensing computations within the full wave-optics regime. This tool is primarily designed to calculate the gravitational lensing amplification factor including diffractive effects,
Externí odkaz:
http://arxiv.org/abs/2410.19804
Strong lensing of gravitational waves can produce several detectable images as repeated events in the upcoming observing runs, which can be detected with the posterior overlap analysis (Bayes factor). The choice of the binary black hole population pl
Externí odkaz:
http://arxiv.org/abs/2308.12182
Autor:
Yeung, Simon M. C., Cheung, Mark H. Y., Gais, Joseph A. J., Hannuksela, Otto A., Li, Tjonnie G. F.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 526, Issue 2, December 2023, Pages 2230-2240
Gravitational lensing describes the bending of the trajectories of light and gravitational waves due to the gravitational potential of a massive object. Strong lensing by galaxies can create multiple images with different overall amplifications, arri
Externí odkaz:
http://arxiv.org/abs/2112.07635
Gravitational-wave population studies have become more important in gravitational-wave astronomy because of the rapid growth of the observed catalog. In recent studies, emulators based on different machine learning techniques are used to emulate the
Externí odkaz:
http://arxiv.org/abs/2112.06707
Autor:
Chan, H. S., Villar, V. Ashley, Cheung, S. H., Ho, Shirley, O'Grady, Anna J. G., Drout, Maria R., Renzo, Mathieu
Periodic variables illuminate the physical processes of stars throughout their lifetime. Wide-field surveys continue to increase our discovery rates of periodic variable stars. Automated approaches are essential to identify interesting periodic varia
Externí odkaz:
http://arxiv.org/abs/2112.03306
The periodic pulsations of stars teach us about their underlying physical process. We present a convolutional autoencoder-based pipeline as an automatic approach to search for out-of-distribution anomalous periodic variables within The Zwicky Transie
Externí odkaz:
http://arxiv.org/abs/2111.13828
Publikováno v:
Phys. Rev. D 104, 084028 (2021)
One class of competitive candidates for dark matter is ultralight bosons. If they exist, these bosons may form long-lived bosonic clouds surrounding rotating black holes via superradiant instabilities, acting as sources of gravity and affecting the p
Externí odkaz:
http://arxiv.org/abs/2107.05492
When gravitational waves pass through the nuclear star clusters of galactic lenses, they may be microlensed by the stars. Such microlensing can cause potentially observable beating patterns on the waveform due to waveform superposition and magnify th
Externí odkaz:
http://arxiv.org/abs/2012.07800
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