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Confronting Scaling Relations of Spiral Galaxies with Hierarchical Models of Disk Formation
Aaron A. Dutton, Stéphane Courteau
The scaling relations between rotation velocity, size and luminosity form a benchmark test for any theory of disk galaxy formation. We confront recent theoretical models of disk fo…
The Tully-Fisher Zero Point Problem
Aaron A. Dutton, Frank C. van den Bosch, Stéphane Courteau
A long standing problem for hierarchical disk galaxy formation models has been the simultaneous matching of the zero point of the Tully-Fisher relation and the galaxy luminosity fu…
Properties of Dark Matter Halos in Disk Galaxies
Roelof S. de Jong, Susan Kassin, Eric F. Bell +1
We present a simple technique to estimate mass-to-light (M/L) ratios of stellar populations based on two broadband photometry measurements, i.e. a color-M/L relation. We apply the…
Scaling Relations of Local Spiral Galaxies.I. Observational Foundations
Stephane Courteau, Lauren A. MacArthur, Avishai Dekel +3
(Abridged) This paper presents an exploration of two fundamental scaling relations of spiral galaxies, the luminosity-rotation speed (or Tully-Fisher; TF) relation, and the size-lu…
Cosmic Flows: A Status Report
Stephane Courteau, Avishai Dekel
We give a brief review of recent developments in the study of the large-scale velocity field of galaxies since the international workshop on Cosmic Flows held in July 1999 in Victo…
First Results from the Shellflow Survey
S. Courteau, J. A. Willick, M. A. Strauss +2
We present preliminary results from the Shellflow program, an all-sky Tully-Fisher (TF) survey of 297 Sb-Sc with redshifts between 4000 and 7500 km/s. The program was designed to e…