publication . Thesis . 2018

Formation of stars and stellar clusters in galactic environment

Smilgys, Romas;
Open Access English
  • Published: 19 Mar 2018
  • Publisher: University of St Andrews
  • Country: United States
Abstract
Star and stellar cluster formation in spiral galaxies is one of the biggest questions of astrophysics. In this thesis, I study how star formation, and the formation of stellar clusters, proceeds using SPH simulations. These simulations model a region of 400 pc and 10⁷ solar masses. Star formation is modelled through the use of sink particles which represent small groups of stars. Star formation occurs in high density regions, created by galactic spiral arm passage. The spiral shock compresses the gas and generates high density regions. Once these regions attain sufficiently high density, self-gravity becomes dominant and drives collapse and star formation. The r...
Subjects
arXiv: Astrophysics::Galaxy AstrophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Solar and Stellar AstrophysicsAstrophysics::Earth and Planetary Astrophysics
free text keywords: Star formation, Formation of stellar clusters, OB associations, SPH simulations, Molecular clouds, Galactic spiral arms, QB806.S6, Stars--Formation, Stars--Clusters, Spiral galaxies
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