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

GEMS, MIPS Instrument, and COMBO-17 teams

Research output: Contribution to journalArticle

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 (US)
Pages (from-to)475-480
Number of pages6
JournalAstrophysics and Space Science Proceedings
Issue number202409
DOIs
StatePublished - 2007

Fingerprint

Galaxies
disk galaxies
stellar mass
Stars
galaxies
star formation
spheroids
Tully-Fisher relation
star formation rate
time measurement

Keywords

  • 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

Cite this

Eight billion years of disk galaxy evolution no galaxy is an island. / GEMS, MIPS Instrument, and COMBO-17 teams.

In: Astrophysics and Space Science Proceedings, No. 202409, 2007, p. 475-480.

Research output: Contribution to journalArticle

GEMS, MIPS Instrument, and COMBO-17 teams. / Eight billion years of disk galaxy evolution no galaxy is an island. In: Astrophysics and Space Science Proceedings. 2007 ; No. 202409. pp. 475-480.
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