{"total":13,"items":[{"citing_arxiv_id":"2606.31364","ref_index":88,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Establishing Compactness as a Population Observable in Gravitational-Wave Astronomy","primary_cat":"gr-qc","submitted_at":"2026-06-30T08:58:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Hierarchical analysis of GWTC-3 events measures effective compactness C_eff = 0.5^{+0.3}_{-0.1} consistent with black holes and limits low-compactness exotic merger rate to <0.7 Gpc^{-3} yr^{-1}.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.30144","ref_index":53,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Joint population and strong-lensing inference for resolved gravitational-wave events probes the black-hole merger rate beyond the peak of star formation","primary_cat":"astro-ph.HE","submitted_at":"2026-06-29T11:21:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Joint strong-lensing and population inference on resolved gravitational-wave events finds no lensed events and tightens constraints on the black-hole merger rate peak redshift and high-redshift tail.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.18081","ref_index":32,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The Chirp-Mass Ladder: A New Rung Emerges","primary_cat":"astro-ph.HE","submitted_at":"2026-06-16T15:45:58+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The chirp-mass distribution of GW-detected binary black holes shows a ladder of peaks doubling in mass, with a new intermediate peak at 19 solar masses confirming a prior prediction from the hierarchical merger model.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.03776","ref_index":89,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Targeting black holes from metal-poor progenitors with next-generation gravitational-wave detectors","primary_cat":"astro-ph.HE","submitted_at":"2026-06-02T15:28:50+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Introduces a target redshift z_t to isolate metal-poor black hole progenitors and a statistical framework to test merger-rate variations against forecasts from Einstein Telescope and Cosmic Explorer.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.27500","ref_index":141,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Constraining Gravitational Wave Memory with Hierarchical Inference","primary_cat":"gr-qc","submitted_at":"2026-05-26T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Hierarchical Bayesian inference on GWTC-5.0 constrains the memory enhancement factor to 0.26 with large uncertainties consistent with the GR value of 1 and forecasts that 2000 detections are needed for a 1σ constraint away from zero.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.20112","ref_index":41,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Gravitational-wave constraints on $H_0$ are robust to (putative) redshift evolution in the binary black hole mass spectrum at current sensitivity","primary_cat":"astro-ph.CO","submitted_at":"2026-05-19T16:59:39+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Spectral-siren H0 constraints from GWTC-4.0 binary black holes remain robust when the mass spectrum is permitted to evolve with redshift at current detector sensitivity.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.11274","ref_index":20,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"End-to-End Population Inference from Gravitational-Wave Strain using Transformers","primary_cat":"gr-qc","submitted_at":"2026-05-11T21:54:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Dingo-Pop uses a transformer to perform amortized, end-to-end population inference from GW strain data in seconds, bypassing per-event Monte Carlo sampling.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":", Inference with finite time series: II. The window strikes back, Class. Quant. Grav.42, 235023 (2025), arXiv:2508.11091 [gr-qc]. [19] R. Essicket al., Compact binary coalescence sensitivity estimates with injection campaigns during the LIGO- Virgo-KAGRA Collaborations' fourth observing run, Phys. Rev. D112, 102001 (2025), arXiv:2508.10638 [gr-qc]. [20] V. Tiwari, Estimation of the Sensitive Volume for Gravitational-wave Source Populations Using Weighted Monte Carlo Integration, Class. Quant. Grav.35, 145009 (2018), arXiv:1712.00482 [astro-ph.HE]. [21] J. W. Barrett, I. Mandel, C. J. Neijssel, S. Stevenson, and A. Vigna-Gomez, Exploring the Parameter Space of Compact Binary Population Synthesis, IAU Symp."},{"citing_arxiv_id":"2604.15885","ref_index":70,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Gravitational-wave astronomy requires population-informed parameter estimation","primary_cat":"gr-qc","submitted_at":"2026-04-17T09:31:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Population-informed hierarchical parameter estimation is required for unbiased astrophysical interpretation of gravitational-wave events rather than using standard individual posteriors with reference priors.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Mihaylov, S. Ossokine, L. Pompili, and M. Shiferaw, Phys. Rev. D108, 124037 (2023), arXiv:2303.18046 [gr-qc]. [67] S. Ossokineet al., Phys. Rev. D102, 044055 (2020), arXiv:2004.09442 [gr-qc]. [68] M. Mould, github.com/mdmould/gwax, doi.org/10.5281/zenodo.12770127 (2026). [69] R. Essicket al., Phys. Rev. D112, 102001 (2025), arXiv:2508.10638 [gr-qc]. [70] V. Tiwari, Class. Quantum Grav.35, 145009 (2018), arXiv:1712.00482 [astro-ph.HE]. [71] G. Ashtonet al., Astrophys. J. Supp. S.241, 27 (2019), arXiv:1811.02042 [astro-ph.IM]. [72] J. S. Speagle, Mon. Not. R. Astron. Soc.493, 3132 (2020), arXiv:1904.02180 [astro-ph.IM]. [73] M. Fishbach, D. E. Holz, and W. M. Farr, Astrophys. J. Lett.863, L41 (2018), arXiv:1805."},{"citing_arxiv_id":"2604.06090","ref_index":155,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Posterior Predictive Checks for Gravitational-wave Populations: Limitations and Improvements","primary_cat":"gr-qc","submitted_at":"2026-04-07T17:03:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Maximum-likelihood-based posterior predictive checks detect model misspecification better than event-level versions for uncertain spin tilts, but current detector sensitivity limits their power; the Gaussian Component Spins model underpredicts high spin magnitudes and overpredicts anti-aligned tilts","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2602.11282","ref_index":106,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Measurement prospects for the pair-instability mass cutoff with gravitational waves","primary_cat":"astro-ph.HE","submitted_at":"2026-02-11T19:00:22+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Simulations show a 40-50 solar-mass black-hole cutoff is not guaranteed to be confidently recovered from GWTC-4-like catalogs, spurious detections are unlikely, and O4 data would reduce cutoff-mass uncertainty by at least 20 percent while yielding only a lower bound on the carbon-alpha reaction rate","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Kritos, L. Reali, F. Broekgaar- den, and E. Berti, Phys. Rev. D110, 023036 (2024), arXiv:2401.13038 [astro-ph.HE]. [103] V. Tiwari, Class. Quant. Grav.35, 145009 (2018), arXiv:1712.00482 [astro-ph.HE]. [104] W. M. Farr, Research Notes of the AAS3, 66 (2019), arXiv:1904.10879 [astro-ph.IM]. [105] R. Essick and W. Farr, arXiv:2204.00461 [astro-ph.IM] (2022). [106] C. Talbot and J. Golomb, Mon. Not. Roy. Astron. Soc. 526, 3495 (2023), arXiv:2304.06138 [astro-ph.IM]. [107] J. Heinzel and S. Vitale, arXiv:2509.07221 [astro-ph.HE] (2025). [108] M. Mould, mdmould/gwax (2025). [109] J. S. Speagle, Mon. Not. Roy. Astron. Soc.493, 3132 (2020), arXiv:1904.02180 [astro-ph.IM]. [110] J. Skilling, AIP Conf. Proc.735, 395 (2004)."},{"citing_arxiv_id":"2601.04276","ref_index":65,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"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":67,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"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":"2108.01045","ref_index":115,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"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":"to have small spins in the range [ −0.05, 0.05]. These choices match previous analyses [8]. 2. MBTA The Multi-Band Template Analysis (MBTA) pipeline [55] is based on matched filtering, relying on coincidences between triggers observed in different detectors. The version used for the offline search is close to the online version which contributed to the LVC public alerts [115]. The archival-search version benefits from offline-specific improvements, with a background estimate made over a longer duration, and with a reranking of the candidates using information collected not just before but also after the candidate. The parameter space covered by this analysis ranges from 1 M⊙ to 195 M⊙ for the primary (more massive) component, with total masses up to 200 M ⊙; or from"}],"limit":50,"offset":0}