{"total":15,"items":[{"citing_arxiv_id":"2606.27852","ref_index":2,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Mass-Ratio Reversal as an Alternative to Hierarchical Mergers for GW241011","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T08:47:32+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Mass-ratio reversal in isolated binaries offers a viable formation path for GW241011-like events under specific stellar-evolution and interaction conditions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.26262","ref_index":4,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"A Stellar Role Reversal: Multiple Features in the Mass and Mass Ratio Distributions of Merging Binary Black Holes from Stable Mass Transfer","primary_cat":"astro-ph.SR","submitted_at":"2026-06-24T18:03:59+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Stable mass transfer produces two distinct peaks in merging binary black hole primary mass and mass ratio distributions via mass ratio reversal under conservative mass transfer.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.22266","ref_index":66,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Fast targeted gravitational-wave followup search for compact binary mergers using GSTLAL pipeline","primary_cat":"astro-ph.HE","submitted_at":"2026-06-20T23:21:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"A targeted gravitational-wave search modifies the GstLAL likelihood ratio with a sky localization prior from EM triggers, showing improved detection efficiency in injection studies while controlling false alarms.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.27224","ref_index":31,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"GWTC-5.0: Methods for Identifying and Characterizing Gravitational-wave Transients","primary_cat":"gr-qc","submitted_at":"2026-05-26T16:09:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Describes the methods for producing the fifth gravitational-wave transient catalog (GWTC-5.0) from O4b data of LIGO, Virgo and KAGRA.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.27090","ref_index":29,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Open Data from LIGO, Virgo, and KAGRA through the Second Part of the Fourth Observing Run","primary_cat":"gr-qc","submitted_at":"2026-05-26T14:36:19+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":2.0,"formal_verification":"none","one_line_summary":"LIGO-Virgo-KAGRA releases calibrated strain time series, noise-subtraction channels, and GWOSC v5.0 analysis products covering April 2024 to January 2025.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.25466","ref_index":9,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Gravitational Wave Propagation in K-essence Cosmology: Theory and Observational Constraints","primary_cat":"gr-qc","submitted_at":"2026-05-25T06:17:33+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"K-essence cosmology induces a redshift-dependent effective mass on gravitational waves, causing phase shifts that link scalar field dynamics to GW observables without changing wave speed or luminosity distance.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.23538","ref_index":25,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Scalable Dark Siren Cosmology with gwcosmo: GPU Acceleration, Validation and Systematics","primary_cat":"astro-ph.CO","submitted_at":"2026-05-22T12:00:07+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"GPU-accelerated gwcosmo enables 1000x faster dark-siren cosmological analyses for large GW catalogs.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.11193","ref_index":28,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Prospects for multi-messenger discovery of the gravitational-wave background anisotropies via cross-correlation with galaxies","primary_cat":"astro-ph.CO","submitted_at":"2026-05-11T19:58:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"New simulations show that cross-correlating gravitational wave background anisotropies with galaxy distributions can enable discovery at angular scales of 4-6 degrees with next-generation observatories.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"(25) The term𝜕𝑟 ¯ΩGW is the kernel of our observable and is defined as: 𝑊(𝑟, 𝑓 𝑜):= 1 4𝜋 𝜕𝑟 ¯ΩGW(𝑓 𝑜).(26) For a given pair of maps, of gravitational wave energy emission andgalaxydensitydistribution,theangularpowerspectradescribing the auto- and cross-correlations are: 𝐶GW,GW ℓ = 2 𝜋 ∫ d𝑘 𝑘2|𝛿ΩGW,ℓ (𝑘, 𝑓 𝑜;𝜃)| 2 ,(27) 𝐶g,g ℓ = 2 𝜋 ∫ d𝑘 𝑘2|Δℓ (𝑘)| 2 ,(28) 𝐶GW,g ℓ = 2 𝜋 ∫ d𝑘 𝑘2𝛿Ω∗ GW,ℓ Δℓ ,(29) wheretheindicesGW,GWandg,gindicaterespectivelytheSGWB and the galaxy auto-correlations, andGW,gtheir cross-correlation. 4.2 Explicit expression for the kernel We aim to express analytically the kernel𝑊(𝑟, 𝑓𝑜)defined in Equa- tion26toobtainanexplicitexpressionfortheSGWBangularpower spectrum. From Equations 3 and 26 we can express the kernel as"},{"citing_arxiv_id":"2605.05563","ref_index":299,"ref_count":1,"confidence":0.88,"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":"2605.05444","ref_index":112,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Searches for Binary Mergers with Sub-solar Mass Components in Data from the First Part of LIGO--Virgo--KAGRA's Fourth Observing Run","primary_cat":"astro-ph.HE","submitted_at":"2026-05-06T21:12:01+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":4.0,"formal_verification":"none","one_line_summary":"No sub-solar mass binary merger candidates found in LIGO data from May 2023 to January 2024, yielding merger rate upper limits of 110-10000 Gpc^{-3}yr^{-1} and constraints on primordial black hole dark matter fractions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.18676","ref_index":21,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Binary Evolution Can Mimic the Pair-Instability Mass Gap in Black Hole Mergers","primary_cat":"astro-ph.HE","submitted_at":"2026-04-20T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Efficient mass transfer in binaries naturally limits the mass of the first-born black hole and produces a sharp drop above 45 solar masses that mimics the pair-instability gap.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.15500","ref_index":12,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Joint Detection and Characterization of the Standing Accretion Shock Instability for Core-Collapse Supernovae with cWB XP","primary_cat":"astro-ph.HE","submitted_at":"2026-04-16T20:20:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Improved quantitative detection of SASI in supernovae is reported using cWB XP on real LIGO O3/O4 data, with high identification probabilities at 1-10 kpc distances via ROC curves.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Biol Sci. 2024;100(3):190-233. [11] Abbott BP, Abbott R, Abbott TD, Abraham S, Acernese F, Ackley K, et al. GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs. Phys Rev X. 2019 Sep;9:031040. Available from:https://link.aps.org/doi/10.1103/PhysRevX.9.031040. [12] Abbott R, Abbott TD, Abraham S, Acernese F, Ackley K, Adams A, et al. GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo during the First Half of the Third Observing Run. Phys Rev X. 2021 Jun;11:021053. Available from:https://link. aps.org/doi/10.1103/PhysRevX.11.021053. [13] Abbott R, Abbott TD, Acernese F, Ackley K, Adams C, Adhikari N, et al."},{"citing_arxiv_id":"2602.17267","ref_index":5,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Illuminating the Mass Gap Through Deep Optical Constraint on a Neutron Star Merger Candidate S250206dm","primary_cat":"astro-ph.HE","submitted_at":"2026-02-19T11:15:27+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Non-detection of kilonova from S250206dm excludes AT 2017gfo-like events and disfavors NS-BH mergers with mass ratio Q >= 3.2, reaching GW-comparable precision on the mass gap candidate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.19077","ref_index":16,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"The First Model-Independent Upper Bound on Micro-lensing Signature of the Highest Mass Binary Black Hole Event GW231123","primary_cat":"gr-qc","submitted_at":"2025-12-22T06:37:44+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"No definitive lensing is detected in GW231123, though a potential microlensing feature with modulation amplitude up to 0.8 at 95% confidence is noted, limited by large waveform systematics in short signals.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.04637","ref_index":17,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars","primary_cat":"astro-ph.HE","submitted_at":"2025-09-04T19:55:47+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"GWTC-4 data analysis yields a pair-instability mass gap lower edge at 44.3^{+5.9}_{-3.5} M_⊙, an S-factor of 268^{+195}_{-116} keV b for ^{12}C(α,γ)^{16}O, and two populations supporting both direct formation and hierarchical mergers.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Astrophys. J. Lett.913(1), 7 (2021) https://doi.org/10.3847/2041-8213/abe949 arXiv:2010.14533 [astro-ph.HE] [16] Abbott et al.: GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run. Physical Review X 13(4), 041039 (2023) https://doi.org/10.1103/PhysRevX.13.041039 15 arXiv:2111.03606 [gr-qc] [17] Abbott et al.: GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo during the First Half of the Third Observing Run. Physical Review X11(2), 021053 (2021) https://doi.org/10.1103/PhysRevX.11.021053 arXiv:2010.14527 [gr-qc] [18] Spera, M., Mapelli, M., Bressan, A.: The mass spectrum of compact rem- nants from the parsec stellar evolution tracks."}],"limit":50,"offset":0}