GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients

Name: GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients
Keywords: High Energy Astrophysical Phenomena (astro-ph.HE), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology, High Energy Astrophysical Phenomena

The LIGO Scientific Collaboration; the Virgo Collaboration; the KAGRA Collaboration; Abac, A. G.; Abouelfettouh, I.; Acernese, F.; Ackley, K.; Adhicary, S.; Adhikari, D.; Adhikari, N.; Adhikari, R. X.; Adkins, V. K.; Afroz, S.; Agarwal, D.; Agathos, M.; Abchouyeh, M. Aghaei; Aguiar, O. D.; Ahmadzadeh, S.; Aiello, L.; Ain, A.; Ajith, P.; Akcay, S.; Akutsu, T.; Albanesi, S.; Alfaidi, R. A.; Al-Jodah, A.; Alléné, C.; Allocca, A.; Al-Shammari, S.; Altin, P. A.; Alvarez-Lopez, S.; Amarasinghe, O.; Amato, A.; Amra, C.; Ananyeva, A.; Anderson, S. B.; Anderson, W. G.; Andia, M.; Ando, M.; Andrade, T.; Andrés-Carcasona, M.; Andrić, T.; Anglin, J.; Ansoldi, S.; Antelis, J. M.; Antier, S.; Aoumi, M.; Appavuravther, E. Z.; Appert, S.; Apple, S. K.; Arai, K.; Araya, A.; Araya, M. C.; Sedda, M. Arca; Areeda, J. S.; Argianas, L.; Aritomi, N.; Armato, F.; Armstrong, S.; Arnaud, N.; Arogeti, M.; Aronson, S. M.; Ashton, G.; Aso, Y.; Assiduo, M.; Melo, S. Assis de Souza; Aston, S. M.; Astone, P.; Attadio, F.; Aubin, F.; AultONeal, K.; Avallone, G.; Babak, S.; Badaracco, F.; Badger, C.; Bae, S.; Bagnasco, S.; Bagui, E.; Baiotti, L.; Bajpai, R.; Baka, T.; Baker, T.; Ball, M.; Ballardin, G.; Ballmer, S. W.; Banagiri, S.; Banerjee, B.; Bankar, D.; Baptiste, T. M.; Baral, P.; Barayoga, J. C.; Barish, B. C.; Barker, D.; Barman, N.; Barneo, P.; Barone, F.; Barr, B.; Barsotti, L.; Barsuglia, M.; Barta, D.; Bartoletti, A. M.; Barton, M. A.; Bartos, I.; Basak, S.; Basalaev, A.; Bassiri, R.; Basti, A.; Bates, D. E.; Bawaj, M.; Baxi, P.; Bayley, J. C.; Baylor, A. C.; Baynard II, P. A.; Bazzan, M.; Bedakihale, V. M.; Beirnaert, F.; Bejger, M.; Belardinelli, D.; Bell, A. S.; Bellie, D. S.; Bellizzi, L.; Benoit, W.; Bentara, I.; Bentley, J. D.; Yaala, M. Ben; Bera, S.; Bergamin, F.; Berger, B. K.; Bernuzzi, S.; Beroiz, M.; Berry, C. P. L.; Bersanetti, D.; Bertolini, A.; Betzwieser, J.; Beveridge, D.; Bevilacqua, G.; Bevins, N.; Bhandare, R.; Bhat, S. A.; Bhatt, R.; Bhattacharjee, D.; Bhaumik, S.; Bhowmick, S.; Biancalana, V.; Bianchi, A.; Bilenko, I. A.; Billingsley, G.; Binetti, A.; Bini, S.; Binu, C.; Birnholtz, O.; Biscoveanu, S.; Bisht, A.; Bitossi, M.; Bizouard, M. -A.; Blaber, S.; Blackburn, J. K.; Blagg, L. A.; Blair, C. D.; Blair, D. G.; Bobba, F.; Bode, N.; Boileau, G.; Boldrini, M.; Bolingbroke, G. N.; Bolliand, A.; Bonavena, L. D.; Bondarescu, R.; Bondu, F.; Bonilla, E.; Bonilla, M. S.; Bonino, A.; Bonnand, R.; Booker, P.; Borchers, A.; Borhanian, S.; Boschi, V.; Bose, S.; Bossilkov, V.; Boudon, A.; Bozzi, A.; Bradaschia, C.; Brady, P. R.; Branch, A.; Branchesi, M.; Braun, I.; Briant, T.; Brillet, A.; Brinkmann, M.; Brockill, P.; Brockmueller, E.; Brooks, A. F.; Brown, B. C.; Brown, D. D.; Brozzetti, M. L.; Brunett, S.; Bruno, G.; Bruntz, R.; Bryant, J.; Bu, Y.

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GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Research 01 Jan 2025Embargo end date: 01 Jan 2025Publisher:arXiv

Authors: The LIGO Scientific Collaboration; the Virgo Collaboration; the KAGRA Collaboration; Abac, A. G.; Abouelfettouh, I.; Acernese, F.; Ackley, K.; +193 Authors

The LIGO Scientific Collaboration; the Virgo Collaboration; the KAGRA Collaboration; Abac, A. G.; Abouelfettouh, I.; Acernese, F.; Ackley, K.; Adhicary, S.; Adhikari, D.; Adhikari, N.; Adhikari, R. X.; Adkins, V. K.; Afroz, S.; Agarwal, D.; Agathos, M.; Abchouyeh, M. Aghaei; Aguiar, O. D.; Ahmadzadeh, S.; Aiello, L.; Ain, A.; Ajith, P.; Akcay, S.; Akutsu, T.; Albanesi, S.; Alfaidi, R. A.; Al-Jodah, A.; Alléné, C.; Allocca, A.; Al-Shammari, S.; Altin, P. A.; Alvarez-Lopez, S.; Amarasinghe, O.; Amato, A.; Amra, C.; Ananyeva, A.; Anderson, S. B.; Anderson, W. G.; Andia, M.; Ando, M.; Andrade, T.; Andrés-Carcasona, M.; Andrić, T.; Anglin, J.; Ansoldi, S.; Antelis, J. M.; Antier, S.; Aoumi, M.; Appavuravther, E. Z.; Appert, S.; Apple, S. K.; Arai, K.; Araya, A.; Araya, M. C.; Sedda, M. Arca; Areeda, J. S.; Argianas, L.; Aritomi, N.; Armato, F.; Armstrong, S.; Arnaud, N.; Arogeti, M.; Aronson, S. M.; Ashton, G.; Aso, Y.; Assiduo, M.; Melo, S. Assis de Souza; Aston, S. M.; Astone, P.; Attadio, F.; Aubin, F.; AultONeal, K.; Avallone, G.; Babak, S.; Badaracco, F.; Badger, C.; Bae, S.; Bagnasco, S.; Bagui, E.; Baiotti, L.; Bajpai, R.; Baka, T.; Baker, T.; Ball, M.; Ballardin, G.; Ballmer, S. W.; Banagiri, S.; Banerjee, B.; Bankar, D.; Baptiste, T. M.; Baral, P.; Barayoga, J. C.; Barish, B. C.; Barker, D.; Barman, N.; Barneo, P.; Barone, F.; Barr, B.; Barsotti, L.; Barsuglia, M.; Barta, D.; Bartoletti, A. M.; Barton, M. A.; Bartos, I.; Basak, S.; Basalaev, A.; Bassiri, R.; Basti, A.; Bates, D. E.; Bawaj, M.; Baxi, P.; Bayley, J. C.; Baylor, A. C.; Baynard II, P. A.; Bazzan, M.; Bedakihale, V. M.; Beirnaert, F.; Bejger, M.; Belardinelli, D.; Bell, A. S.; Bellie, D. S.; Bellizzi, L.; Benoit, W.; Bentara, I.; Bentley, J. D.; Yaala, M. Ben; Bera, S.; Bergamin, F.; Berger, B. K.; Bernuzzi, S.; Beroiz, M.; Berry, C. P. L.; Bersanetti, D.; Bertolini, A.; Betzwieser, J.; Beveridge, D.; Bevilacqua, G.; Bevins, N.; Bhandare, R.; Bhat, S. A.; Bhatt, R.; Bhattacharjee, D.; Bhaumik, S.; Bhowmick, S.; Biancalana, V.; Bianchi, A.; Bilenko, I. A.; Billingsley, G.; Binetti, A.; Bini, S.; Binu, C.; Birnholtz, O.; Biscoveanu, S.; Bisht, A.; Bitossi, M.; Bizouard, M. -A.; Blaber, S.; Blackburn, J. K.; Blagg, L. A.; Blair, C. D.; Blair, D. G.; Bobba, F.; Bode, N.; Boileau, G.; Boldrini, M.; Bolingbroke, G. N.; Bolliand, A.; Bonavena, L. D.; Bondarescu, R.; Bondu, F.; Bonilla, E.; Bonilla, M. S.; Bonino, A.; Bonnand, R.; Booker, P.; Borchers, A.; Borhanian, S.; Boschi, V.; Bose, S.; Bossilkov, V.; Boudon, A.; Bozzi, A.; Bradaschia, C.; Brady, P. R.; Branch, A.; Branchesi, M.; Braun, I.; Briant, T.; Brillet, A.; Brinkmann, M.; Brockill, P.; Brockmueller, E.; Brooks, A. F.; Brown, B. C.; Brown, D. D.; Brozzetti, M. L.; Brunett, S.; Bruno, G.; Bruntz, R.; Bryant, J.; Bu, Y.;

doi: 10.48550/arxiv.2508.18081

arXiv: 2508.18081

handle: 21.11116/0000-0011-A7FA-7 , 21.11116/0000-0011-A7FC-5

GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients

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Abstract

The Gravitational-Wave Transient Catalog (GWTC) is a collection of candidate gravitational-wave transient signals identified and characterized by the LIGO-Virgo-KAGRA Collaboration. Producing the contents of the GWTC from detector data requires complex analysis methods. These comprise techniques to model the signal; identify the transients in the data; evaluate the quality of the data and mitigate possible instrumental issues; infer the parameters of each transient; compare the data with the waveform models for compact binary coalescences; and handle the large amount of results associated with all these different analyses. In this paper, we describe the methods employed to produce the catalog's fourth release, GWTC-4.0, focusing on the analysis of the first part of the fourth observing run of Advanced LIGO, Advanced Virgo and KAGRA.

As part of the Astrophysical Journal Letters Focus Issue on the Gravitational Wave Transient Catalog

Keywords

High Energy Astrophysical Phenomena (astro-ph.HE), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology, High Energy Astrophysical Phenomena

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