Galactic disks precess ubiquitously from tidal torques, causing warps, orbital heating, and radial alignments of satellites.
Statistics of optical warps in spiral disks
2 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We present a statistical study of optical warps in a sample of 540 galaxies, about five times larger than previous samples. About 40% of all late-type galaxies reveal S-shaped warping of their planes in the outer parts. Given the geometrical parameters and detection sensitivity, this result suggests that at least half of all galaxy disks might be warped. We demonstrate through geometrical simulations that some apparent warps could be due to spiral arms in a highly inclined galaxy. The simulations of non warped galaxies give an amount of false warps of $\approx$ 15%, while simulations of warped galaxies suggest that no more than 20% of the warps are missed. We find a strong positive correlation of observed warps with environment, suggesting that tidal interaction have a large influence in creating or re-enforcing warped deformations.
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UNVERDICTED 2representative citing papers
FOGGIE cosmological simulations find that less HI-populated CGMs produce thin, coherently rotating extended disks while more populated CGMs yield irregular morphologies, with all systems settling kinematically by z=0 independent of mass.
citing papers explorer
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A Universal Dance of Galactic Disks: Ubiquitous Precession and Its Implications
Galactic disks precess ubiquitously from tidal torques, causing warps, orbital heating, and radial alignments of satellites.
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FOGGIE: Figuring Out Gas & Galaxies In Enzo XII. The Formation and Evolution of Extended HI Galactic Disks and Warps with a Dynamic Circumgalactic medium
FOGGIE cosmological simulations find that less HI-populated CGMs produce thin, coherently rotating extended disks while more populated CGMs yield irregular morphologies, with all systems settling kinematically by z=0 independent of mass.