Eight billion years of disk galaxy evolution no galaxy is an island

GEMS, MIPS Instrument, and COMBO-17 teams

Research output: Contribution to journalConference articlepeer-review


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 (US)
Pages (from-to)475-480
Number of pages6
JournalAstrophysics and Space Science Proceedings
Issue number202409
StatePublished - 2007
EventInternational Conference on Island Universe: Structure and Evolution of Disk Galaxies, 2005 - Terschelling, Netherlands
Duration: Jul 3 2005Jul 5 2005


  • Galaxies: Evolution
  • Galaxies: Fundamental parameters
  • Infrared: Galaxies

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Computer Science Applications
  • Spectroscopy
  • Space and Planetary Science
  • Nuclear and High Energy Physics

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