Daniel J Cornwell
Forecasting the success of the WEAVE Wide-Field Cluster Survey on the extraction of the cosmic web filaments around galaxy clusters
Cornwell, Daniel J; Kuchner, Ulrike; Aragón-Salamanca, Alfonso; Gray, Meghan E; Pearce, Frazer R; Aguerri, J Alfonso L; Cui, Weiguang; Méndez-Abreu, J; de Arriba, Luis Peralta; Trager, Scott C
Authors
ULRIKE KUCHNER ULRIKE.KUCHNER@NOTTINGHAM.AC.UK
Senior Research Fellow
Professor ALFONSO ARAGON-SALAMANCA ALFONSO.ARAGON@NOTTINGHAM.AC.UK
Professor of Astronomy
MEGHAN GRAY MEGHAN.GRAY@NOTTINGHAM.AC.UK
Professor of Astronomy
FRAZER PEARCE FRAZER.PEARCE@NOTTINGHAM.AC.UK
Professor of Physics
J Alfonso L Aguerri
Weiguang Cui
J Méndez-Abreu
Luis Peralta de Arriba
Scott C Trager
Abstract
Next-generation wide-field spectroscopic surveys will observe the infall regions around large numbers of galaxy clusters with high sampling rates for the first time. Here we assess the feasibility of extracting the large-scale cosmic web around clusters using forthcoming observations, given realistic observational constraints. We use a sample of 324 hydrodynamic zoom-in simulations of massive galaxy clusters from TheThreeHundred project to create a mock-observational catalogue spanning 5𝑅200 around 160 analogue clusters. These analogues are matched in mass to the 16 clusters targetted by the forthcoming WEAVE Wide-Field Cluster Survey (WWFCS). We consider the effects of the fibre allocation algorithm on our sampling completeness and find that we successfully allocate targets to 81.7 %± 1.3 of the members in the cluster outskirts. We next test the robustness of the filament extraction algorithm by using a metric, 𝐷skel, which quantifies the distance to the filament spine. We find that the median positional offset between reference and recovered filament networks is 𝐷skel = 0.13 ± 0.02 Mpc, much smaller than the typical filament radius of ∼ 1 Mpc. Cluster connectivity of the recovered network is not substantially affected. Our findings give confidence that the WWFCS will be able to reliably trace cosmic web filaments in the vicinity around massive clusters, forming the basis of environmental studies into the effects of pre-processing on galaxy evolution.
Citation
Cornwell, D. J., Kuchner, U., Aragón-Salamanca, A., Gray, M. E., Pearce, F. R., Aguerri, J. A. L., …Trager, S. C. (2022). Forecasting the success of the WEAVE Wide-Field Cluster Survey on the extraction of the cosmic web filaments around galaxy clusters. Monthly Notices of the Royal Astronomical Society, 517(2), 1678–1694. https://doi.org/10.1093/mnras/stac2777
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 20, 2022 |
Online Publication Date | Sep 29, 2022 |
Publication Date | 2022-12 |
Deposit Date | Oct 4, 2022 |
Publicly Available Date | Oct 4, 2022 |
Journal | Monthly Notices of the Royal Astronomical Society |
Print ISSN | 0035-8711 |
Electronic ISSN | 1365-2966 |
Publisher | Oxford University Press |
Peer Reviewed | Peer Reviewed |
Volume | 517 |
Issue | 2 |
Pages | 1678–1694 |
DOI | https://doi.org/10.1093/mnras/stac2777 |
Keywords | Space and Planetary Science, Astronomy and Astrophysics |
Public URL | https://nottingham-repository.worktribe.com/output/12026204 |
Publisher URL | https://academic.oup.com/mnras/article/517/2/1678/6731652 |
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Forecasting the success of the WEAVE Wide-Field Cluster Survey on the extraction of the cosmic web filaments around galaxy clusters
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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