GWTC-1 reports 11 significant compact binary merger events from O1 and O2 with inferred rates of 9.7-101 Gpc^{-3} y^{-1} for binary black holes and 110-3840 Gpc^{-3} y^{-1} for binary neutron stars.
Tool reference
Hannaet al., Fast evaluation of multidetector con- sistency for real-time gravitational wave searches, Phys
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LIGO and Virgo detected 39 compact binary coalescence events in O3a, including 13 new ones, with black hole binaries up to 150 solar masses and the first significantly asymmetric mass ratios.
A targeted hierarchical search refines GstLAL low-latency gravitational wave candidates to improve sky localization by 16.75% on average using O3 data and has been adopted for O4.
GW250114 data confirm the remnant black hole ringdown frequencies lie within 30% of Kerr predictions and that the final horizon area is larger than the sum of the progenitors' areas to high credibility.
New GstLAL offline methods reuse online matched-filtering products, merge with a heavy black hole search, revise the likelihood ratio and background estimation, and deliver a 50-100% sensitivity gain for high-mass events on a tested O3 data segment while improving reusability and reducing compute.
GWTC-2.1 adds eight new high-significance compact binary coalescence events to the prior catalog, extending the observed black hole mass range and including candidates inside the pair-instability mass gap.
GstLAL produced low-latency alerts for 250 astrophysically plausible gravitational-wave candidates during O4, providing the first upload for 222 and the sole upload for 75, with 88 percent of significant catalog events detected and 93 percent classification agreement.
citing papers explorer
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GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
GWTC-1 reports 11 significant compact binary merger events from O1 and O2 with inferred rates of 9.7-101 Gpc^{-3} y^{-1} for binary black holes and 110-3840 Gpc^{-3} y^{-1} for binary neutron stars.
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GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
LIGO and Virgo detected 39 compact binary coalescence events in O3a, including 13 new ones, with black hole binaries up to 150 solar masses and the first significantly asymmetric mass ratios.
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Method to get Better Sky Maps in a GstLAL Low-Latency Analysis
A targeted hierarchical search refines GstLAL low-latency gravitational wave candidates to improve sky localization by 16.75% on average using O3 data and has been adopted for O4.
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GW250114: testing Hawking's area law and the Kerr nature of black holes
GW250114 data confirm the remnant black hole ringdown frequencies lie within 30% of Kerr predictions and that the final horizon area is larger than the sum of the progenitors' areas to high credibility.
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New Methods for Offline GstLAL Analyses
New GstLAL offline methods reuse online matched-filtering products, merge with a heavy black hole search, revise the likelihood ratio and background estimation, and deliver a 50-100% sensitivity gain for high-mass events on a tested O3 data segment while improving reusability and reducing compute.
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GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
GWTC-2.1 adds eight new high-significance compact binary coalescence events to the prior catalog, extending the observed black hole mass range and including candidates inside the pair-instability mass gap.
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GstLAL O4 Online Results Paper
GstLAL produced low-latency alerts for 250 astrophysically plausible gravitational-wave candidates during O4, providing the first upload for 222 and the sole upload for 75, with 88 percent of significant catalog events detected and 93 percent classification agreement.
- GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors