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Properties of Bulgeless Disk Galaxies: I. Atomic Gas
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/29
We study the neutral hydrogen properties of a sample of twenty bulgeless disk galaxies (Sd - Sdm Hubble types), an interesting class because their morphological simplicity implies that they have evolv...
High star formation rates as the origin of turbulence in early and modern disk galaxies
Galaxy Astrophysics (astro-ph.GA) Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/27
High spatial and spectral resolution observations of star formation and kinematics in early galaxies have shown that two-thirds are massive rotating disk galaxies with the remainder being less massive...