{"total":19,"items":[{"citing_arxiv_id":"2606.03346","ref_index":89,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Model-Independent Search Discards Faint Lensed-Pairs of Gravitational Wave Events in the Sub-Threshold Candidates of GWTC-4","primary_cat":"gr-qc","submitted_at":"2026-06-02T08:57:26+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A cross-correlation search of ~11,000 event pairs in GWTC-4 including sub-threshold candidates finds no lensed GW pairs above 3σ, setting an upper bound of ≤1.5/yr on the lensing rate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.26204","ref_index":94,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Electromagnetic Signatures From Primordial Black Holes in the Solar System","primary_cat":"hep-ph","submitted_at":"2026-05-25T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Calculations indicate AMEGO-X could detect PBH transits within 0.1 AU while HAWC and LHAASO could observe explosions out to 0.1-0.5 pc, with future events at ~1000 AU potentially producing measurable electromagnetic signals unlike the 2023 KM3NeT neutrino candidate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.16199","ref_index":48,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Detectability of avoided crossings in black hole ringdowns","primary_cat":"gr-qc","submitted_at":"2026-05-15T17:13:43+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Bayesian analysis finds individual QNM frequencies near avoided crossings hard to resolve even under optimistic conditions, though collective AC waveform signatures may remain detectable if those modes dominate and slower-mode contamination is minimal.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.16183","ref_index":15,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Rapid data quality investigations of gravitational-wave events with the Data Quality Report Builder toolkit","primary_cat":"astro-ph.IM","submitted_at":"2026-05-15T17:03:40+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"DQRbuild toolkit automates data quality vetting for gravitational-wave events, recovering 96% of human-identified issues from O3 with a 24% false alarm rate.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.11703","ref_index":13,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors","primary_cat":"gr-qc","submitted_at":"2026-05-12T07:58:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"The first informative astrophysical calibration of gravitational-wave detectors is reported using GW240925 and GW250207.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"These advances mark a transition from an era of initial discoveries to one of precision GW astronomy. High- SNR observations enable precise measurements of signal properties [11-13], advancing our understanding of source astrophysics, the nature of gravity, and cosmology. Interpreting GW signals requires accurate understanding of detector behavior [13]. GW240925 and GW250207 both co- incide with times where the LIGO Hanford detector was not in its usual observational state with well-characterized cali- bration. The calibration process typically reconstructs the raw digitized output of each interferometer into an accurate and reliable measure of the dimensionless strain [14-17]. Its ac- curacy directly impacts signal-parameter estimation [18, 19];"},{"citing_arxiv_id":"2604.13687","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"VIGILant: an automatic classification pipeline for glitches in the Virgo detector","primary_cat":"gr-qc","submitted_at":"2026-04-15T10:09:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"VIGILant applies tree-based models and a ResNet CNN to classify Virgo O3b glitches with 98% accuracy and has been deployed for daily use with an interactive dashboard.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Moreover, overconfident but incorrect classifications can mislead detector characteri- zation studies, biasing the identification of noise sources and the interpretation of data-quality investigations for the Virgo detector. The need for Virgo-focused glitch characterization has been previously recognized, for example in the GWitchHunters project [19], which explored citizen- science-based approaches to the study of Virgo glitches. However, these efforts did not result in a continuously deployed, automated classification pipeline integrated into Virgo detector characterization workflows. This is the aim of this work. Here, we present a Machine Learning-based pipeline dubbedVIGILant(VirgoGlitch"},{"citing_arxiv_id":"2603.06010","ref_index":51,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Accelerated Time-domain Analysis for Gravitational Wave Astronomy","primary_cat":"gr-qc","submitted_at":"2026-03-06T08:07:11+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Presents a practical fully time-domain end-to-end likelihood for gravitational-wave inference with structured linear algebra and GPU acceleration.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"the noise random process approximately repeats. There- fore, one adopts the Whittle approximation [31], with the circulant assumption on the noise covariance matrix, and uses tapered windows to ensure that Fourier-domain methods can be applied stably. The PSD is estimated in practice using neighboring data, employing Welch-style averaged periodograms [51] or, more recently, a Bayesian fitting procedure involving splines and instrument line modeling [52]. In what follows, we useTto denote the duration of the signal,f s the sampling rate,N=f s ×Tto denote the number of time samples of the data vector being ana- lyzed, the Big \"O\" notation to denote the computational complexity, and the \"T\" notation to denote the memory"},{"citing_arxiv_id":"2509.14924","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Residual Test for the Third Gravitational-Wave Transient Catalog","primary_cat":"gr-qc","submitted_at":"2025-09-18T13:00:28+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Residuals after subtracting best-fit waveforms from GWTC-3 events show no significant deviation from noise according to three standard goodness-of-fit tests.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.08054","ref_index":61,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GW250114: testing Hawking's area law and the Kerr nature of black holes","primary_cat":"gr-qc","submitted_at":"2025-09-09T18:00:07+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"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.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"X-ray binaries, New Astron. Rev.93, 101618 (2021), arXiv:2105.05547 [astro-ph.HE]. [59] R. A. Remillard and J. E. McClintock, X-ray Properties of Black-Hole Binaries, Ann. Rev. Astron. Astrophys.44, 49 (2006), arXiv:astro-ph/0606352. 20 [60] B. L. Webster and P. Murdin, Cygnus X-1-a Spectroscopic Bi- nary with a Heavy Companion?, Nature235, 37 (1972). [61] C. T. Bolton, Identification of Cygnus X-1 with HDE 226868, Nature (London)235, 271 (1972). [62] M. Schmidt, 3C 273 : A Star-Like Object with Large Red- Shift, Nature197, 1040 (1963). [63] P. Panuzzoet al.(Gaia), Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry, Astron. Astrophys. 686, L2 (2024), arXiv:2404.10486 [astro-ph."},{"citing_arxiv_id":"2508.13923","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Hunting for new glitches in LIGO data using community science","primary_cat":"gr-qc","submitted_at":"2025-08-19T15:18:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Volunteers propose new glitch categories in LIGO data that connect to instrument states and pose difficulties for existing ML glitch classifiers.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2505.08089","ref_index":10,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Assessment of normalizing flows for parameter estimation on time-frequency representations of gravitational-wave data","primary_cat":"gr-qc","submitted_at":"2025-05-12T21:49:25+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"GP15 maps BBH spectrograms to parameter posteriors via residual networks and normalizing flows, producing results consistent with LVK analyses on GWTC-2.1 and GWTC-3 events while running in seconds.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2404.14286","ref_index":214,"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":"show the location of the BayesWave C glitch. To generate this figure, we draw samples from the 90% highest density in- terval of the SEOBNRv4EHM and SEOBNRv4HM posteriors, and project them onto the detector. We then whiten the waveform, glitch and strain. By whitening we mean that we set the noise variance in each frequency bin to one using the PSD (see Ref. [214] for further details). We plot the strain data with a rolling window average with a window size of 1 millisec- ond for visualization purposes. In Fig. 5 we show the radial separation as a function of the coordinate angle of a binary with parameters corresponding to the maximum likelihood of the SEOBNRv4EHM analysis of GW200129 with BayesWave C 12"},{"citing_arxiv_id":"2305.15473","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Worldline effective field theory of inspiralling black hole binaries in presence of dark photon and axionic dark matter","primary_cat":"hep-th","submitted_at":"2023-05-24T18:00:04+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Computes 1PN conservative dynamics for gravitational/EM/Proca fields and 2PN for scalar, plus radiation effects from axion-photon coupling at high PN orders in binary black hole systems with dark matter.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2, Phys. Rev. Lett.118 (2017), no. 22, 221101 [1706.01812], [Erratum: Phys.Rev.Lett. 121, 129901 (2018)]. [5] KAGRA Collaboration, K. Kokeyama,Observing the Universe from Underground Gravitational Wave Telescope KAGRA, in3rd World Summit on Exploring the Dark Side of the Universe, pp. 41-48. 2020. [6] LIGO Scientific, VirgoCollaboration, B. P. Abbottet al., A guide to LIGO-Virgo detector noise and extraction of transient gravitational-wave signals, Class. Quant. Grav.37 (2020), no. 5, 055002 [1908.11170]. [7] L. Lehner and F. Pretorius,Numerical Relativity and Astrophysics, Ann. Rev. Astron. Astrophys. 52 (2014) 661-694 [1405.4840]. [8] LIGO Scientific, VIRGO, NINJA-2Collaboration, J."},{"citing_arxiv_id":"2108.01045","ref_index":135,"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":"\"Observation of Gravitational Waves from Two Neutron Star-Black Hole Coalescences,\" Astrophys. J. Lett.915, L5 (2021), arXiv:2106.15163 [astro-ph.HE]. [134] Benjamin P Abbott et al. (LIGO Scientific, Virgo), \"A guide to LIGO-Virgo detector noise and extraction of transient gravitational-wave signals,\" Class. Quantum Grav. 37, 055002 (2020), arXiv:1908.11170 [gr-qc]. [135] Christopher P.L. Berry et al. , \"Parameter estimation for binary neutron-star coalescences with realistic noise during the Advanced LIGO era,\" Astrophys. J.804, 114 (2015), arXiv:1411.6934 [astro-ph.HE]. [136] Curt Cutler and Eanna E. Flanagan, \"Gravitational waves from merging compact binaries: How accurately can one extract the binary's parameters from the inspi-"},{"citing_arxiv_id":"2010.14529","ref_index":134,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog","primary_cat":"gr-qc","submitted_at":"2020-10-27T18:01:34+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"No evidence for deviations from general relativity is found in LIGO-Virgo binary black hole events, with improved constraints on waveform parameters, graviton mass, and ringdown properties.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(LIGO Scientific and Virgo Collab- oration), Classical Quantum Gravity37, 055002 (2020), arXiv:1908.11170 [gr-qc]. [131] M. Campanelli, C. O. Lousto, and Y . Zlochower, Phys. Rev. D 79, 084012 (2009), arXiv:0811.3006 [gr-qc]. [132] R. Owen, Phys. Rev. D80, 084012 (2009), arXiv:0907.0280 [gr-qc]. [133] R. Owen, Phys. Rev. D81, 124042 (2010), arXiv:1004.3768 [gr-qc]. [134] S. Bhagwat, M. Okounkova, S. W. Ballmer, D. A. Brown, M. Giesler, M. A. Scheel, and S. A. Teukolsky, Phys. Rev. D 97, 104065 (2018), arXiv:1711.00926 [gr-qc]. [135] S. A. Hughes and K. Menou, Astrophys. J.623, 689 (2005), arXiv:astro-ph/0410148 [astro-ph]. [136] A. Ghosh, W. Del Pozzo, and P. Ajith, Phys. Rev. D94, 104070 (2016), arXiv:1505.05607 [gr-qc]."},{"citing_arxiv_id":"2010.14527","ref_index":63,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run","primary_cat":"gr-qc","submitted_at":"2020-10-27T18:01:31+00:00","verdict":"ACCEPT","verdict_confidence":"HIGH","novelty_score":7.0,"formal_verification":"none","one_line_summary":"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.","context_count":1,"top_context_role":"background","top_context_polarity":"unclear","context_text":"interferometers after large transients triggered, for exam- ple, by earthquakes. Work is on-going at all detectors to improve the duty cycle. III. DATA Before analyzing LIGO and Virgo time-domain data for gravitational waves, we apply multiple data condi- tioning steps to accurately calibrate the data into strain and mitigate periods of poor data quality [63]. Seg- ments of data where each interferometer was operating in a nominal state, free from external intervention, are recorded [64]. Data from outside these time periods is not used in analyses unless additional investigations are completed to understand the state of the interferome- ter [6, 33]. The data conditioning process involves cali- bration of the data, both in near-real time and in higher"},{"citing_arxiv_id":"2006.00714","ref_index":20,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Bayesian inference for compact binary coalescences with BILBY: Validation and application to the first LIGO--Virgo gravitational-wave transient catalogue","primary_cat":"astro-ph.IM","submitted_at":"2020-06-01T04:46:19+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"BILBY is validated on simulated compact binary signals and reproduces the eleven GWTC-1 results with configuration and output files provided for reproduction.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2002.04615","ref_index":210,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"New Sensitivity Curves for Gravitational-Wave Signals from Cosmological Phase Transitions","primary_cat":"hep-ph","submitted_at":"2020-02-11T19:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Defines peak-integrated sensitivity curves (PISCs) that fold in the expected spectral shape of gravitational waves from cosmological phase transitions and supplies semianalytical fits plus public data for major detectors.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"L. Berry, Gravitational-wave sensitivity curves , Class. Quant. Grav. 32 (2015) 015014, [ arXiv:1408.0740]. [209] KAGRA, LIGO Scientific, VIRGO Collaboration, B. P. Abbott et al., Prospects for Observing and Localizing Gravitational-Wave Transients with Advanced LIGO, Advanced Virgo and KAGRA, Living Rev. Rel. 21 (2018), no. 1 3, [ arXiv:1304.0670]. [210] LIGO Scientific, Virgo Collaboration, B. P. Abbott et al., A guide to LIGO-Virgo detector noise and extraction of transient gravitational-wave signals , Class. Quant. Grav. 37 (2020) 055002, [arXiv:1908.11170]. [211] M. L. Chan, C. Messenger, I. S. Heng, and M. Hendry, Binary Neutron Star Mergers and Third Generation Detectors: Localization and Early Warning , Phys."},{"citing_arxiv_id":"1912.11716","ref_index":132,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Open data from the first and second observing runs of Advanced LIGO and Advanced Virgo","primary_cat":"gr-qc","submitted_at":"2019-12-25T21:15:52+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The LIGO and Virgo collaborations have released the gravitational-wave strain time series data from O1 and O2 observing runs, sampled at 16384 Hz, together with data-quality information through the Gravitational Wave Open Science Center.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"signal processing problems related to spectral dynamic range and floating point 3Other useful references for the detector sensitivity are [130] for O1 and [14] for O2. 16 precision limitation that may occur downstream when searching in the data.4 As shown in Figs. 3 and 4, the data contain spectral lines that can com- plicate searches for signals in those frequency bands [132]. These lines include calibration lines, power line harmonics, \"violin\" modes (resonant frequencies of mirror suspension fibers), other known instrumental lines, unknown lines and also evenly spaced combs of narrow lines, typically in exact multiples of some fundamental frequency. Further details on spectral lines during O1 and O2 can be found in [133, 134] as well as on the GWOSC web pages."}],"limit":50,"offset":0}