Eight Billion Years of Disk Galaxy Evolution: No galaxy is an island

, Eric F. Bell, Marco Barden, Xianzhong Zheng, Casey Papovich, Emeric Le Floc’H, George Rieke, Christian Wolf

Research output: Chapter in Book/Report/Conference proceedingConference Paperpeer-review

Abstract

We present a brief discussion of the evolution of disk galaxy stellar masses, sizes, rotation velocities, and star formation rates over the last eight billion years. Recent observations have failed to detect significant evolution in the stellar mass Tully-Fisher relation, stellar mass–size relation, and the stellar mass function of disk galaxies. Yet, most z < 1 star formation is in disks, and this star formation would be expected to drive a rapid growth of the total stellar mass (and therefore mass function) of disks in the last eight billion years. Such a build-up is not seen; instead, a rapid build-up in the total stellar mass in non-star-forming spheroid-dominated galaxies is observed. Large numbers of disk-dominated galaxies are systematically shutting off their star formation and building up a spheroid (or losing a disk) in the epoch 0 < z < 1.

Original languageEnglish
Title of host publicationIsland Universes
Subtitle of host publicationStructure and Evolution of Disk Galaxies
EditorsR.S. De Jong
Place of PublicationDordrecht
PublisherSpringer Science+Business Media B.V.
Pages475-480
Number of pages6
ISBN (Electronic)978-1-4020-5573-7
ISBN (Print)978-1-4020-5572-0, 978-90-481-7398-3
DOIs
Publication statusPublished - 2007
Externally publishedYes
EventInternational Conference on Island Universe: Structure and Evolution of Disk Galaxies, 2005 - Terschelling, Netherlands
Duration: 3 Jul 20055 Jul 2005

Publication series

NameAstrophysics and Space Science Proceedings (ASSSP)
PublisherSpringer
ISSN (Print)1570-6591
ISSN (Electronic)1570-6605

Conference

ConferenceInternational Conference on Island Universe: Structure and Evolution of Disk Galaxies, 2005
Country/TerritoryNetherlands
CityTerschelling
Period3/07/055/07/05

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