Gravitational scattering of stars and clusters and the heating of the Galactic disk

2016/05/23 by Bengt Gustafsson, Ross P. Church, Ross Church +2 · 1 citation
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Disc #Galactic plane #Galactic tide #Gravitation #Molecular cloud #Open cluster #Spiral galaxy #Star cluster #Stars #Stellar, planetary, and galactic studies #astro-ph.GA

paper · pdf · doi:10.1051/0004-6361/201423916

published as A&A 593, A85 (2016) · 19 pages, 15 figures

arxiv created 2016/05/23 · openalex publication_date 2016/06/20 · openalex created_date 2016/06/24 · arxiv updated 2016/09/28 · openalex updated_date 2026/08/06

Abstract

Context. Could the velocity spread, increasing with time, in the Galactic disk be explained as a result of gravitational interactions of stars with giant molecular clouds (GMCs) and spiral arms? Do the old open clusters high above the Galactic plane provide clues to this question?

Citations

• The Old Open Clusters of the Milky Way
• The interstellar environment of our galaxy
• The galactic system of old star clusters: The development of the galactic disk
• Accurate masses and radii of normal stars: modern results and applications
• On the Old Open Clusters M67 and NGC 188: Convective Core Overshooting, Color‐Temperature Relations, Distances, and Ages
• The Global Evolution of Giant Molecular Clouds. I. Model Formulation and Quasi‐Equilibrium Behavior
• Molecular Clouds in Nearby Galaxies
• Spatial dependence of 2MASS luminosity and mass functions in the old open cluster NGC 188

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• Massive Star Clusters in the Semi-Analytical Galaxy Formation Model L-Galaxies 2020