Testing theories in barred spiral galaxies

Abstract

According to one version of the recently proposed "manifold" theory that explains the origin of spirals and rings in relation to chaotic orbits, galaxies with stronger bars should have a higher spiral arms pitch angle when compared to galaxies with weaker bars. A sub-sample of barred-spiral galaxies in the Ohio State University Bright Galaxy Survey, was used to analyze the spiral arms pitch angle. These were compared with bar strengths taken from the literature. It was found that the galaxies in which the spiral arms maintain a logarithmic shape for more than 70$\degr$ seem to corroborate the predicted trend.

Accepted for publication in ApJ

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Cited by in corpus (16)

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• Manifold-driven spirals in N-body barred galaxy simulations
• Galaxy Zoo and SpArcFiRe: Constraints on spiral arm formation mechanisms from spiral arm number and pitch angles
• Dependence of Spiral Arms Pitch Angle on Wavelength as a Test of Density Wave Theory
• On the Connection Between Spiral Arm Pitch Angle and Galaxy Properties
• Strong Evidence for the Density-wave Theory of Spiral Structure in Disk Galaxies
• Gaseous Spiral Structure and Mass Drift in Spiral Galaxies
• Spiral arm formation mechanisms: Spiral Structure in Barred galaxies. Observational constraints to spiral arm formation mechanisms
• Signatures of long-lived spiral patterns
• Investigating the Origins of Spiral Structure in Disk Galaxies through a Multiwavelength Study
• Searching for Intermediate Mass Black Holes in galaxies with Low Luminosity AGN: A multiple-method approach
• The behavior of the pitch angle of spiral arms depending on optical wavelength
• Colour jumps across the spiral arms of Hubble Ultra Deep Field galaxies
• Multiple-scale gas infall through gravity torques on Milky Way twins