English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

As gravitational wave detectors improve in sensitivity, signal-to-noiseratios of compact binary coalescences will dramatically increase, reachingvalues in the hundreds and potentially thousands. Such strong signals offerboth exciting scientific opportunities and pose formidable challenges to thetemplate waveforms used for interpretation. Current waveform models areinformed by calibrating or fitting to numerical relativity waveforms and suchstrong signals may unveil computational errors in generating these waveforms.In this paper, we isolate a single source of computational error, that of thefinite grid resolution, and investigate its impact on parameter estimation foraLIGO and Cosmic Explorer. We show that injecting a lower resolution simulationtends to cause a downward shift in the recovered chirp mass and mass ratioposteriors. We demonstrate that increasing the inclination angle or decreasingthe mass ratio raises the resolution required for unbiased parameterestimation. We quantify the error associated with the highest-resolutionwaveform utilized using an extrapolation procedure on the median of recoveredposteriors and confirm the accuracy of current waveforms for the syntheticsources. We introduce a measure to predict the necessary numerical resolutionfor unbiased parameter estimation and use it to predict that current waveformsare suitable for equal and moderately unequal mass binaries for both detectors.However, current waveforms fail to meet accuracy requirements for highsignal-to-noise ratio signals from highly unequal mass ratio binaries $(q\lesssim 1/6)$, for all inclinations in Cosmic Explorer, and for highinclinations in future updates to LIGO. Given that the resolution requirementbecomes more stringent with more unequal mass ratios, current waveforms maylack the necessary accuracy, even at median signal-to-noise ratios for futuredetectors.

Accuracy limitations of existing numerical relativity waveforms on the data analysis of current and future ground-based detectors