Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Sintes, Alicia"'
Publikováno v:
Universe 2024, 10(3), 121
Continuous gravitational-wave signals (CWs) are long-lasting quasi-monochromatic gravitational-wave signals expected to be emitted by rapidly-rotating non-axisymmetric neutron stars. Depending on the rotational frequency and sky location of the sourc
Externí odkaz:
http://arxiv.org/abs/2403.03027
Autor:
Whelan, John T., Tenorio, Rodrigo, Wofford, Jared K., Clark, James A., Daw, Edward J., Goetz, Evan, Keitel, David, Neunzert, Ansel, Sintes, Alicia M., Wagner, Katelyn J., Woan, Graham, Killestein, Thomas L., Steeghs, Danny
Improved observational constraints on the orbital parameters of the low-mass X-ray binary Scorpius~X-1 were recently published in Killestein et al (2023). In the process, errors were corrected in previous orbital ephemerides, which have been used in
Externí odkaz:
http://arxiv.org/abs/2302.10338
Publikováno v:
Universe 2021, 7(12), 474
Continuous gravitational waves are long-lasting forms of gravitational radiation produced by persistent quadrupolar variations of matter. Standard expected sources for ground-based interferometric detectors are neutron stars presenting non-axisymmetr
Externí odkaz:
http://arxiv.org/abs/2111.12575
Publikováno v:
Phys. Rev. D 105, 044029 (2022)
Searches for gravitational-wave signals are often based on maximizing a detection statistic over a bank of waveform templates, covering a given parameter space with a variable level of correlation. Results are often evaluated using a noise-hypothesis
Externí odkaz:
http://arxiv.org/abs/2111.12032
Publikováno v:
Phys. Rev. D 104, 084012 (2021)
We present the first application of a hierarchical Markov Chain Monte Carlo (MCMC) follow-up on continuous gravitational-wave candidates from real-data searches. The follow-up uses an MCMC sampler to draw parameter-space points from the posterior dis
Externí odkaz:
http://arxiv.org/abs/2105.13860
Publikováno v:
Phys. Rev. D 103, 064053 (2021)
Searches for continuous gravitational waves from unknown sources attempt to detect long-lasting gravitational radiation by identifying Doppler-modulated signatures in the data. Semicoherent methods allow for wide parameter space surveys, identifying
Externí odkaz:
http://arxiv.org/abs/2012.05752
Autor:
Amann, Florian, Bonsignorio, Fabio, Bulik, Tomasz, Bulten, Henk Jan, Cuccuru, Stefano, Dassargues, Alain, DeSalvo, Riccardo, Fenyvesi, Edit, Fidecaro, Francesco, Fiori, Irene, Giunchi, Carlo, Grado, Aniello, Harms, Jan, Koley, Soumen, Kovacs, Laszlo, Losurdo, Giovanni, Mandic, Vuk, Meyers, Patrick, Naticchioni, Luca, Nguyen, Frederic, Oggiano, Giacomo, Olivieri, Marco, Paoletti, Federico, Paoli, Andrea, Plastino, Wolfango, Razzano, Massimiliano, Ruggi, Paolo, Saccorotti, Gilberto, Sintes, Alicia M, Somlai, Laszlo, Van, Peter, Vasuth, Matyas
Publikováno v:
Review of Scientific Instruments 91, 9, 094504 (2020)
The Einstein Telescope (ET) is a proposed next-generation, underground gravitational-wave (GW) detector to be based in Europe. It will provide about an order of magnitude sensitivity increase with respect to currently operating detectors, and further
Externí odkaz:
http://arxiv.org/abs/2003.03434
Autor:
Covas, P. B., Sintes, Alicia M.
Publikováno v:
Phys. Rev. Lett. 124, 191102 (2020)
Rotating neutron stars can emit continuous gravitational waves, which have not yet been detected. We present a search for continuous gravitational waves from unknown neutron stars in binary systems with orbital period between 15 and 45 days. This is
Externí odkaz:
http://arxiv.org/abs/2001.08411
Autor:
Covas, P. B., Sintes, Alicia M.
Publikováno v:
Phys. Rev. D 99, 124019 (2019)
Non-axysymmetric, fast-spinning unknown neutron stars in binary systems may emit continuous gravitational waves (nearly-monochromatic long-duration signals) which can be detected by ground-based detectors like LIGO and Virgo. In this paper we present
Externí odkaz:
http://arxiv.org/abs/1904.04873
Publikováno v:
Phys. Rev. D 99, 104067 (2019)
This paper describes a new semi-coherent method to search for transient gravitational waves of intermediate duration (hours to days). In order to search for newborn isolated neutron stars with their possibly very rapid spin-down, we model the frequen
Externí odkaz:
http://arxiv.org/abs/1901.01820