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30 papers · 2 filters
All-sky search in early O3 LIGO data for continuous gravitational-wave signals from unknown neutron stars in binary systems
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1369
Rapidly spinning neutron stars are promising sources of persistent, continuous gravitational waves. Detecting such a signal would allow probing of the physical properties of matter…
Deep learning for clustering of continuous gravitational wave candidates II: identification of low-SNR candidates
Banafsheh Beheshtipour, Maria Alessandra Papa
Broad searches for continuous gravitational wave signals rely on hierarchies of follow-up stages for candidates above a given significance threshold. An important step to simplify…
Results from high-frequency all-sky search for continuous gravitational waves from small-ellipticity sources
Vladimir Dergachev, Maria Alessandra Papa
We present the results of an all-sky search for continuous gravitational wave signals with frequencies in the 1700-2000 Hz range from neutron stars with ellipticity of 1e-8. The se…
Challenges and Opportunities of Gravitational Wave Searches at MHz to GHz Frequencies
N. Aggarwal, O. D. Aguiar, A. Bauswein +22
The first direct measurement of gravitational waves by the LIGO and Virgo collaborations has opened up new avenues to explore our Universe. This white paper outlines the challenges…
Possibility of primordial black holes as the source of gravitational wave events in the advanced LIGO detector
E. Khalouei, H. Ghodsi, S. Rahvar +1
The analysis of gravitational Wave (GW) data from advanced LIGO provides the mass of each companion of binary black holes as the source of GWs. The mass of events corresponding to…
Quasinormal modes and their overtones at the common horizon in a binary black hole merger
Pierre Mourier, Xisco Jiménez Forteza, Daniel Pook-Kolb +2
It is expected that all astrophysical black holes in equilibrium are well described by the Kerr solution. Moreover, any black hole far away from equilibrium, such as one initially…