A Bayesian catalog of 100 high-significance voids in the Local Universe

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Volume 705 (January 2026)

A&A, 705 (2026) A160

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Table 1.

Summary of the void properties for a few example voids.

	Equatorial sky coordinates				Redshift	Radius r	Position x

Void	α	δ	d_c	Void	z range	$\bar{r}$ $\bar{r}$	$\bar{x}$ $\bar{x}$	$\bar{y}$ $\bar{y}$	$\bar{z}$ $\bar{z}$
ID	[hms]	[° ]	[h⁻¹ Mpc]	Match	[kms⁻¹]	[h⁻¹ Mpc]	[h⁻¹ Mpc]	[h⁻¹ Mpc]	[h⁻¹ Mpc]
10	18^h05^m	−16.2	38.8	Local	500 − 7300	33.9 ± 3.0	341.3 ± 4.9	303.2 ± 3.4	329.7 ± 3.5
75	00^h52^m	43.9	33.0	Local	1500 − 5100	18.0 ± 2.0	363.7 ± 3.6	345.8 ± 2.1	363.4 ± 3.7
83	17^h26^m	−10.9	96.0	NLV	8300 − 11 100	14.0 ± 2.6	326.7 ± 2.6	247.2 ± 2.3	322.4 ± 2.5
45	12^h48^m	12.9	56.1	Coma	3700 − 7500	19.0 ± 2.8	287.0 ± 4.1	329.2 ± 2.6	353.0 ± 3.1
88	14^h51^m	39.4	138.6	Boötes	10 000 − 18 100	39.5 ± 2.9	261.9 ± 10.7	267.7 ± 10.0	428.5 ± 9.3
15	23^h48^m	16.6	95.3	Pisces	7500 − 11 700	20.9 ± 3.1	431.8 ± 4.7	335.6 ± 5.6	367.7 ± 2.9
57	11^h01^m	−29.4	65.8	Hydra	3800 − 9400	27.9 ± 3.0	285.1 ± 4.0	355.2 ± 6.1	308.2 ± 2.6
28	10^h59^m	2.8	43.6	Leo	2300 − 6400	20.2 ± 2.0	298.4 ± 4.0	351.9 ± 4.2	342.6 ± 3.0

Notes. The first 4 columns represent the coordinates of the center in the sky, in terms of equatorial coordinates and distance. The fourth column mentions the name of the matches we find in the literature, often corresponding to the constellation located in the direction of the void. NLV indicates the northern Local Void of Einasto et al. (1994). A more extended discussion of this comparison is presented in Section 5. Column 5 represents the redshift range from the nearest to the farther edge of the void along the line of sight, assuming the effective radius as isotropic size. Columns 6–9 represent summary properties of the posterior distributions for the effective radius and the center position, using the mean and standard deviation. In our cartesian coordinates system the observer is located at [340.5, 340.5, 340.5]h⁻¹ Mpc, with the xy plane corresponding to the equatorial plane, and the $\hat{z}$ $\hat{z}$ axis pointing to the equatorial north pole. The full table with all 100 voids of the catalog can be found in Appendix C.

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