{"total":12,"items":[{"citing_arxiv_id":"2605.12818","ref_index":8,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Assessing the imprint of eccentricity in GW signatures using two independent waveform models","primary_cat":"astro-ph.HE","submitted_at":"2026-05-12T23:23:08+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Dual-model analysis of 162 GW sources disfavors eccentricity for most events but finds potential evidence in GW200129, GW231001, and GW231123.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":", Physical Review X 13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [7] The LIGO Scientific Collaboration, the Virgo Collabora- tion, the KAGRA Collaboration, A. G. Abac, R. Ab- bott, H. Abe, F. Acernese, K. Ackley, C. Adam- cewicz, S. Adhicary, and et al., Submitted to ApJ, available as arXiv:2508.18082 , arXiv:2508.18082 (2025), arXiv:2508.18082 [gr-qc]. [8] A. H. Nitz, S. Kumar, Y.-F. Wang, S. Kastha, S. Wu, M. Sch¨ afer, R. Dhurkunde, and C. D. Capano, Astro- physical Journal946, 59 (2023), arXiv:2112.06878 [astro- ph.HE]. 23 FIG. 13. One- and two-dimensional posterior distributions for a subset of intrinsic parameters (chirp massM c, mass ra- tioq, effective spinχ eff, eccentricitye, and mean anomalyℓ) for GW200129 065458 using SEOBNRv5EHM (black) and"},{"citing_arxiv_id":"2605.05563","ref_index":236,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"How do the LIGO-Virgo-KAGRA's Heavy Black Holes Form? No evidence for core-collapse Intermediate-mass black holes in GWTC-4","primary_cat":"astro-ph.HE","submitted_at":"2026-05-07T01:12:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"No evidence for core-collapse formed low-spin IMBHs in GWTC-4, with 90% upper limit on merger rate of 0.077 Gpc^{-3} yr^{-1}, low-spin BH mass truncation at 65 solar masses consistent with pair-instability gap lower edge, and high-spin IMBHs from hierarchical mergers.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.05362","ref_index":5,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Constraining Lorentz symmetry breaking in bumblebee gravity with extreme mass-ratio inspirals","primary_cat":"gr-qc","submitted_at":"2026-05-06T18:40:43+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Zaldarriaga, (2023), arXiv:2312.06631 [gr-qc]. [3] A. K. Mehta, S. Olsen, D. Wadekar, J. Roulet, T. Venumadhav, J. Mushkin, B. Zackay, and M. Zaldarriaga, Phys. Rev. D111, 024049 (2025), arXiv:2311.06061 [gr-qc]. [4] S. Olsen, T. Venumadhav, J. Mushkin, J. Roulet, B. Zackay, and M. Zaldarriaga, Phys. Rev. D106, 043009 (2022), arXiv:2201.02252 [astro-ph.HE]. [5] A. H. Nitz, S. Kumar, Y.-F. Wang, S. Kastha, S. Wu, M. Sch¨ afer, R. Dhurkunde, and C. D. Capano, Astrophys. J.946, 59 (2023), arXiv:2112.06878 [astro-ph.HE]. [6] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), Phys. Rev. X13, 041039 (2023), arXiv:2111.03606 [gr-qc]. [7] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.119, 161101 (2017), arXiv:1710."},{"citing_arxiv_id":"2604.26581","ref_index":25,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Normalizing flows for density estimation in multi-detector gravitational-wave searches","primary_cat":"astro-ph.HE","submitted_at":"2026-04-29T12:01:29+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Normalizing flows replace binned histograms for estimating multi-detector signal parameters in PyCBC, slashing storage by three orders of magnitude with under 0.05% sensitivity loss and up to 6.55% gains in specific cases.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"statistic-that denotes how likely it is to be a signal compared to noise. These values are then compared to a background of noise triggers that has been generated through time-shifting detector data [24]. This gives a measure of the number of non-astrophysical triggers with that statistic that we would expect to see in a given time window, or a false-alarm rate [25]. Many pieces of information make up this ranking statistic [24, 26]. In this paper we focus on the termp(Ω|S), this is the probability of the search finding a trigger with extrinsic parameters Ω in detectorsi∈ {1, . . . , N}, assuming a real signal is present. Together with the expected distribution for noise,p(Ω|N) and various other terms [24, 26], these"},{"citing_arxiv_id":"2604.21859","ref_index":10,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Mitigating Systematic Errors in Parameter Estimation of Binary Black Hole Mergers in O1-O3 LIGO-Virgo Data","primary_cat":"astro-ph.HE","submitted_at":"2026-04-23T16:52:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Reanalysis of flagged LVK events with waveform uncertainty models produces consistent spin and precession inferences across raw/deglitched data and multiple waveform approximants.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(2025), arXiv:2508.18083 [astro-ph.HE]. [7] R. Abbottet al.(KAGRA, VIRGO, LIGO Scientific), Phys. Rev. X13, 011048 (2023), arXiv:2111.03634 [astro-ph.HE]. [8] A. G. Abacet al.(LIGO Scientific, Virgo, KAGRA), Phys. Rev. Lett.136, 041403 (2026), arXiv:2509.08099 [gr-qc]. [9] R. Abbottet al.(LIGO Scientific, VIRGO, KAGRA), (2021), arXiv:2112.06861 [gr-qc]. [10] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2026), arXiv:2603.19019 [gr-qc]. [11] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2026), arXiv:2603.19020 [gr-qc]. [12] A. G. Abacet al.(LIGO Scientific, VIRGO, KAGRA), (2026), arXiv:2603.19021 [gr-qc]. [13] B. P. Abbottet al.(LIGO Scientific, Virgo), Phys. Rev. Lett.121, 161101 (2018), arXiv:1805."},{"citing_arxiv_id":"2604.07388","ref_index":17,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GW190711_030756 and GW200114_020818: astrophysical interpretation of two asymmetric binary black hole mergers in the IAS catalog","primary_cat":"astro-ph.HE","submitted_at":"2026-04-08T05:45:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Two asymmetric BBH mergers are characterized with mass ratios 0.35 and ≤0.20; one shows high spins, negative χ_eff, and strong precession, suggesting an emerging population of massive rapidly spinning systems.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"of public Advanced LIGO and Virgo data,\" Astrophys. J.891, 123 (2020), arXiv:1910.05331 [astro-ph.HE]. [16] Alexander H. Nitz, Collin D. Capano, Sumit Kumar, Yi-Fan Wang, Shilpa Kastha, Marlin Schäfer, Rahul Dhurkunde, and Miriam Cabero, \"3-OGC: Catalog of Gravitational Waves from Compact-binary Mergers,\" Astrophys. J.922, 76 (2021), arXiv:2105.09151 [astro-ph.HE]. [17] Alexander H. Nitz, Sumit Kumar, Yi-Fan Wang, Shilpa Kastha, Shichao Wu, Marlin Schäfer, Rahul Dhurkunde, and Collin D. Capano, \"4-OGC: Catalog of Gravitational Waves from Compact Binary Mergers,\" Astrophys. J.946, 59 (2023), arXiv:2112.06878 [astro-ph.HE]. [18] Alexandra E. Koloniari, Evdokia C. Koursoumpa, Paraskevi Nousi, Paraskevas Lampropoulos, Nikolaos Passalis, Anasta-"},{"citing_arxiv_id":"2601.04276","ref_index":40,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Search for Precessing Binary Black Holes in Advanced LIGO's Third Observing Run using Harmonic Decomposition","primary_cat":"astro-ph.IM","submitted_at":"2026-01-07T12:25:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A new harmonic-decomposition template search for precessing binary black holes in LIGO O3 data improves sensitivity by up to 28% and reduces computational cost by up to 5x with no new detections.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.10803","ref_index":9,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Detection of GW200105 with a targeted eccentric search","primary_cat":"gr-qc","submitted_at":"2025-12-11T16:46:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Targeted eccentric search detects GW200105 with SNR 13.4 and FAR <1/1000 yr, consistent with dynamical formation of the NSBH binary.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.06741","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Diagnosing the Properties and Evolutionary Fates of Black Hole and Wolf-Rayet X-ray Binaries as Potential Gravitational Wave Sources for the LIGO-Virgo-KAGRA Network","primary_cat":"astro-ph.HE","submitted_at":"2025-10-08T07:54:42+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"MESA binary evolution simulations with revised Bondi-Hoyle accretion efficiency and observational constraints yield lower BH mass upper limits for IC 10 X-1 and NGC 300 X-1 and predict Hubble-time BBH mergers for all three systems.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.13638","ref_index":21,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"An Implementation to Identify the Properties of Multiple Population of Gravitational Wave Sources","primary_cat":"gr-qc","submitted_at":"2025-09-17T02:25:42+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"GWKokab is a new modular JAX framework that uses normalizing flow samplers for efficient inference on subpopulations of compact binary mergers.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2404.14286","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Evidence for eccentricity in the population of binary black holes observed by LIGO-Virgo-KAGRA","primary_cat":"gr-qc","submitted_at":"2024-04-22T15:37:08+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Bayesian inference on LVK O1-O3 events with eccentric aligned-spin waveforms yields log10 Bayes factors of 1.77-4.75 favoring eccentricity for GW200129, GW190701 and GW200208_22, and >99.5% probability that at least one of 57 events is eccentric under an astrophysically motivated rate prior.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(KAGRA), Overview of KAGRA: Detector design and construction history, PTEP 2021, 05A101 (2021), arXiv:2005.05574 [physics.ins-det]. [9] T. Islam, A. Vajpeyi, F. H. Shaik, C.-J. Haster, V . Varma, S. E. Field, J. Lange, R. O'Shaughnessy, and R. Smith, Analysis of GWTC-3 with fully precessing numerical relativity surrogate models (2023), arXiv:2309.14473 [gr-qc]. [10] A. H. Nitz, S. Kumar, Y .-F. Wang, S. Kastha, S. Wu, M. Sch¨afer, R. Dhurkunde, and C. D. Capano, 4-ogc: Catalog of gravitational waves from compact binary mergers, The As- trophysical Journal 946, 59 (2023), arXiv:2112.06878 [astro- ph.HE]. [11] J. Aasi et al. (LIGO Scientific), Advanced LIGO, Class. Quant. Grav. 32, 074001 (2015), arXiv:1411.4547 [gr-qc]."},{"citing_arxiv_id":"2108.01045","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run","primary_cat":"gr-qc","submitted_at":"2021-08-02T17:09:29+00:00","verdict":"ACCEPT","verdict_confidence":"HIGH","novelty_score":4.0,"formal_verification":"none","one_line_summary":"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.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Dhurkunde, and Miriam Cabero, \"3-OGC: Catalog of Gravitational Waves from Compact-binary Mergers,\" Astrophys. J. 922, 76 (2021). [18] Alexander H. Nitz and Yi-Fan Wang, \"Search for Grav- itational Waves from the Coalescence of Subsolar-Mass Binaries in the First Half of Advanced LIGO and Virgo's Third Observing Run,\" Phys. Rev. Lett. 127, 151101 (2021), arXiv:2106.08979 [astro-ph.HE]. [19] Alexander H. Nitz, Sumit Kumar, Yi-Fan Wang, Shilpa Kastha, Shichao Wu, Marlin Sch¨ afer, Rahul Dhurkunde, and Collin D. Capano, \"4-OGC: Catalog of gravita- tional waves from compact-binary mergers,\" (2021), arXiv:2112.06878 [astro-ph.HE]. [20] Seth Olsen, Tejaswi Venumadhav, Jonathan Mushkin, Javier Roulet, Barak Zackay, and Matias Zaldarriaga, \"New binary black hole mergers in the LIGO-Virgo O3a"}],"limit":50,"offset":0}