Stellar Disk Evolution and Gaseous Disk Turbulence of Dwarf Irregular Galaxies

By Hong-Xin Zhang

Book Overview

Introduction.- Dwarf Irregular Galaxies.- Star Formation in Dwarf Irregular Galaxies.- Star Formation Histories of Dwarf Irregular Galaxies.- Stellar Disk Evolution: Spiral Galaxies vs. Dwarf Irregular Galaxies.- Power Spectra, Turbulence and Cool Gas.- Interstellar Medium Turbulence and the Power Spectra.- From Power Spectral Variation with Channels to Multiple Temperature Components of HI gas The LITTLE THINGS Project.- Other Survey Projects on Dwarf Galaxies.- References.- Stellar Disk Evolution of Dwarf Irregular Galaxies.- Surface Photometry.- Multi-band Radial Surface Brightness Profiles.- Multi-band Spectral Energy Distribution Modeling.- Star Formation History Variations with Galactocentric Radius.- Double Exponential Stellar Mass Surface Profiles.- Discussion.- References.- Turbulence and Multiple Temperature Components of HI Gas in Dwarf Irregular Galaxies.- Sample and Data Reduction.- Fourier Transform Power Spectral Variation with Channel Width.- Comparison with the Visibility-based Power Spectra.- Effective Velocity Thickness and the Widespread Multiple Temperature Components of HI Gas.- Relation Between Power Spectral Indices and Star Formation.- Turbulent Velocity Power Spectra.- Discussion.- References.- Nearby Major Mergers - Another Type of Irregular Galaxies.- The Antennae Galaxies.- Data and Photometry.- Variation of Spectral Energy.- Distributions Across the Merging Disks.- Modeling of the Spectral Energy Distributions and the Derived Star Formation Histories.- Discussion.- References.- Conclusions.

• Format: Paperback
• Language: English
• ISBN: 3662570890
• ISBN13: 9783662570890
• Release Date: June 2018
• Publisher: Springer
• Length: 165 Pages
• Weight: 0.60 lbs.
• Dimensions: 0.4" x 6.1" x 9.2"