| ID:
421696.0,
MPI für Astronomie / Publikationen_mpia |
| The Tully-Fisher zero point problem |
| Authors: | Dutton, A. A.; van den Bosch, F. C.; Courteau, S. |
| Language: | English |
| Publisher: | ASP |
| Place of Publication: | San Francisco |
| Date of Publication (YYYY-MM-DD): | 2008 |
| Title of Proceedings: | Formation and Evolution of Galaxy Disks |
| Start Page: | 467 |
| End Page: | 470 |
| Title of Series: | ASP Conf. Ser. |
| Volume (in Series): | 396 |
| Name of Conference/Meeting: | Astronomical Society of the Pacific Conference Series |
| Review Status: | not specified |
| Audience: | Experts Only |
| Abstract / Description: | 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 function. We illustrate this problem for a typical disk galaxy and discuss three solutions: low stellar mass-to-light ratios, low initial dark halo concentrations, and no halo contraction. We speculate that halo contraction may be reversed through a combination of mass ejection through feedback and angular momentum exchange brought about by dynamical friction between baryons and dark matter during the disk formation process. |
| Comment of the Author/Creator: | Date: 2008, October 1, 2008 |
| External Publication Status: | published |
| Document Type: | Conference-Paper |
| Communicated by: | N. N. |
| Affiliations: | MPI für Astronomie
|
| Identifiers: | URL:http://adsabs.harvard.edu/abs/2008ASPC..396..467D [ID No:1] |
|
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