Alignment of galaxy spins in the vicinity of voids

Abstract

We provide limits on the alignment of galaxy orientations with the direction to the void center for galaxies lying near the edges of voids. We locate spherical voids in volume limited samples of galaxies from the Sloan Digital Sky Survey using the HB inspired void finder and investigate the orientation of (color selected) spiral galaxies that are nearly edge-on or face-on. In contrast with previous literature, we find no statistical evidence for departure from random orientations. Expressed in terms of the parameter c, introduced by Lee & Pen to describe the strength of such an alignment, we find that c<0.11(0.13) at 95% (99.7%) confidence limit within a context of a toy model that assumes a perfectly spherical voids with sharp boundaries.

8 pages, 4 figures; v2 discussion expanded, references fixed, matches version accepted by JCAP

References in corpus (8)

• The Evolution of Dark Matter Halo Properties in Clusters, Filaments, Sheets and Voids
• Potential sources of contamination to weak lensing measurements: constraints from N-body simulations
• The virialized mass of dark matter haloes
• Angular momentum-Large-scale structure alignments in LCDM models and the SDSS
• Alignment between galaxies and large-scale structure
• The orientation of galaxy dark matter haloes around cosmic voids
• Galaxy Zoo: Chiral correlation function of galaxy spins
• The Nonlinear Evolution of Galaxy Intrinsic Alignments

Cited by in corpus (6)

• The Large-Scale Orientations of Disk Galaxies
• Spin alignments of spiral galaxies within the large-scale structure from SDSS DR7
• Measuring alignments between galaxies and the cosmic web at $z\sim 2-3$ using IGM tomography
• Intrinsic alignments of galaxies around cosmic voids
• A rising tide: Intrinsic alignments since the turn of the millennium
• Spin alignment around TNG300-1 voids