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DESIVAST: A Catalog of Low-Redshift Voids using Data from the DESI DR1 Bright Galaxy Survey
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We present three separate void catalogs created using a volume-limited sample of the DESI Year 1 Bright Galaxy Survey. We use the algorithms VoidFinder and V2 to construct void catalogs out to a redshift of z=0.24. We obtain 1,461 interior voids with VoidFinder, 420 with V2 using REVOLVER pruning, and 295 with V2 using VIDE pruning. Comparing our catalog with an overlapping SDSS void catalog, we find generally consistent void properties but significant differences in the void volume overlap, which we attribute to differences in the galaxy selection and survey masks. These catalogs are suitable for studying the variation in galaxy properties with cosmic environment and for cosmological studies.
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Cited by 3 Pith papers
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Why Cosmic Voids Matter: Pristine Evolution
Cosmic voids traced by halos become stable at late times, and the matter around them evolves linearly, supporting their use as clean dark-energy probes.
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Multi-tracer mass bias in matched cosmic voids from SDSS DR7 and the ELUCID constrained simulation
Galaxy and subhalo mass fractions relative to dark matter decrease towards the centres of matched cosmic voids, with galaxy-to-subhalo ratios limited by the scarcity of massive subhaloes.
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Environmental Effects on Galaxy Evolution
A nonparametric Bayesian test confirms that VoidFinder-defined void galaxies are fainter, less massive, bluer, and more star-forming than wall galaxies, while V2 REVOLVER void classification washes out these differences.
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