GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run. (arXiv:2111.03606v2 [gr-qc] UPDATED)

GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run. (arXiv:2111.03606v2 [gr-qc] UPDATED)
The <a href="http://arxiv.org/find/gr-qc/1/au:+Collaboration_LIGO_Scientific/0/1/0/all/0/1">LIGO Scientific Collaboration</a>, the <a href="http://arxiv.org/find/gr-qc/1/au:+Collaboration_Virgo/0/1/0/all/0/1">Virgo Collaboration</a>, the <a href="http://arxiv.org/find/gr-qc/1/au:+Collaboration_KAGRA/0/1/0/all/0/1">KAGRA Collaboration</a>: <a href="http://arxiv.org/find/gr-qc/1/au:+Abbott_R/0/1/0/all/0/1">R. Abbott</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Abbott_T/0/1/0/all/0/1">T. D. Abbott</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Acernese_F/0/1/0/all/0/1">F. Acernese</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ackley_K/0/1/0/all/0/1">K. Ackley</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Adams_C/0/1/0/all/0/1">C. Adams</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Adhikari_N/0/1/0/all/0/1">N. Adhikari</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Adhikari_R/0/1/0/all/0/1">R. X. Adhikari</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Adya_V/0/1/0/all/0/1">V. B. Adya</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Affeldt_C/0/1/0/all/0/1">C. Affeldt</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Agarwal_D/0/1/0/all/0/1">D. Agarwal</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Agathos_M/0/1/0/all/0/1">M. Agathos</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Agatsuma_K/0/1/0/all/0/1">K. Agatsuma</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aggarwal_N/0/1/0/all/0/1">N. Aggarwal</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aguiar_O/0/1/0/all/0/1">O. D. Aguiar</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aiello_L/0/1/0/all/0/1">L. Aiello</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ain_A/0/1/0/all/0/1">A. Ain</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ajith_P/0/1/0/all/0/1">P. Ajith</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Akcay_S/0/1/0/all/0/1">S. Akcay</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Akutsu_T/0/1/0/all/0/1">T. Akutsu</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Albanesi_S/0/1/0/all/0/1">S. Albanesi</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Allocca_A/0/1/0/all/0/1">A. Allocca</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Altin_P/0/1/0/all/0/1">P. A. Altin</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Amato_A/0/1/0/all/0/1">A. Amato</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Anand_C/0/1/0/all/0/1">C. Anand</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Anand_S/0/1/0/all/0/1">S. Anand</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ananyeva_A/0/1/0/all/0/1">A. Ananyeva</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Anderson_S/0/1/0/all/0/1">S. B. Anderson</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Anderson_W/0/1/0/all/0/1">W. G. Anderson</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ando_M/0/1/0/all/0/1">M. Ando</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Andrade_T/0/1/0/all/0/1">T. Andrade</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Andres_N/0/1/0/all/0/1">N. Andres</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Andric_T/0/1/0/all/0/1">T. Andrić</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Angelova_S/0/1/0/all/0/1">S. V. Angelova</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ansoldi_S/0/1/0/all/0/1">S. Ansoldi</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Antelis_J/0/1/0/all/0/1">J. M. Antelis</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Antier_S/0/1/0/all/0/1">S. Antier</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Appert_S/0/1/0/all/0/1">S. Appert</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arai_K/0/1/0/all/0/1">Koji Arai</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arai_K/0/1/0/all/0/1">Koya Arai</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arai_Y/0/1/0/all/0/1">Y. Arai</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Araki_S/0/1/0/all/0/1">S. Araki</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Araya_A/0/1/0/all/0/1">A. Araya</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Araya_M/0/1/0/all/0/1">M. C. Araya</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Areeda_J/0/1/0/all/0/1">J. S. Areeda</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arene_M/0/1/0/all/0/1">M. Arène</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aritomi_N/0/1/0/all/0/1">N. Aritomi</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arnaud_N/0/1/0/all/0/1">N. Arnaud</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arogeti_M/0/1/0/all/0/1">M. Arogeti</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aronson_S/0/1/0/all/0/1">S. M. Aronson</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Arun_K/0/1/0/all/0/1">K. G. Arun</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Asada_H/0/1/0/all/0/1">H. Asada</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Asali_Y/0/1/0/all/0/1">Y. Asali</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Ashton_G/0/1/0/all/0/1">G. Ashton</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aso_Y/0/1/0/all/0/1">Y. Aso</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Assiduo_M/0/1/0/all/0/1">M. Assiduo</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aston_S/0/1/0/all/0/1">S. M. Aston</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Astone_P/0/1/0/all/0/1">P. Astone</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Aubin_F/0/1/0/all/0/1">F. Aubin</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Austin_C/0/1/0/all/0/1">C. Austin</a>, <a href="http://arxiv.org/find/gr-qc/1/au:+Babak_S/0/1/0/all/0/1">S. Babak</a>, et al. (1599 additional authors not shown)

The third Gravitational-wave Transient Catalog (GWTC-3) describes signals
detected with Advanced LIGO and Advanced Virgo up to the end of their third
observing run. Updating the previous GWTC-2.1, we present candidate
gravitational waves from compact binary coalescences during the second half of
the third observing run (O3b) between 1 November 2019, 15:00 UTC and 27 March
2020, 17:00 UTC. There are 35 compact binary coalescence candidates identified
by at least one of our search algorithms with a probability of astrophysical
origin $p_mathrm{astro} > 0.5$. Of these, 18 were previously reported as
low-latency public alerts, and 17 are reported here for the first time. Based
upon estimates for the component masses, our O3b candidates with
$p_mathrm{astro} > 0.5$ are consistent with gravitational-wave signals from
binary black holes or neutron star-black hole binaries, and we identify none
from binary neutron stars. However, from the gravitational-wave data alone, we
are not able to measure matter effects that distinguish whether the binary
components are neutron stars or black holes. The range of inferred component
masses is similar to that found with previous catalogs, but the O3b candidates
include the first confident observations of neutron star-black hole binaries.
Including the 35 candidates from O3b in addition to those from GWTC-2.1, GWTC-3
contains 90 candidates found by our analysis with $p_mathrm{astro} > 0.5$
across the first three observing runs. These observations of compact binary
coalescences present an unprecedented view of the properties of black holes and
neutron stars.

http://arxiv.org/icons/sfx.gif