The correlation of star formation quenching with internal galaxy properties and environment

Taysun Kimm, Rachel S. Somerville, Sukyoung Yi, Frank C. Van Den Bosch, Samir Salim, Fabio Fontanot, Pierluigi Monaco, Houjun Mo, Anna Pasquali, R. M. Rich, Xiaohu Yang

Research output: Contribution to journalArticle

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Abstract

We investigate the correlation of star formation quenching with internal galaxy properties and large-scale environment (halo mass) in empirical data and theoretical models. We make use of the halo-based group catalogue of Yang and collaborators, which is based on the Sloan Digital Sky Survey. Data from the Galaxy evolution explorer are also used to extract the recent star formation rate. In order to investigate the environmental effects, we examine the properties of 'central' and 'satellite' galaxies separately. For central galaxies, we are unable to conclude whether star formation quenching is primarily connected with halo mass or stellar mass, because these two quantities are themselves strongly correlated. For satellite galaxies, a nearly equally strong dependence on halo mass and stellar mass is seen. We make the same comparison for five different semi-analytic models based on three independently developed codes. We find that the models with active galactic nuclei feedback reproduce reasonably well the dependence of the fraction of central red and passive galaxies on halo mass and stellar mass. However, for satellite galaxies, the same models badly overproduce the fraction of red/passive galaxies and do not reproduce the empirical trends with stellar mass or halo mass. This satellite overquenching problem is caused by the too-rapid stripping of the satellites' hot gas haloes, which leads to rapid strangulation of star formation.

Original languageEnglish
Pages (from-to)1131-1147
Number of pages17
JournalMonthly Notices of the Royal Astronomical Society
Volume394
Issue number3
DOIs
Publication statusPublished - 2009 Apr 1

Fingerprint

star formation
quenching
halos
galaxies
stellar mass
high temperature gases
star formation rate
stripping
active galactic nuclei
catalogs
environmental effect
trends
gas

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Kimm, Taysun ; Somerville, Rachel S. ; Yi, Sukyoung ; Van Den Bosch, Frank C. ; Salim, Samir ; Fontanot, Fabio ; Monaco, Pierluigi ; Mo, Houjun ; Pasquali, Anna ; Rich, R. M. ; Yang, Xiaohu. / The correlation of star formation quenching with internal galaxy properties and environment. In: Monthly Notices of the Royal Astronomical Society. 2009 ; Vol. 394, No. 3. pp. 1131-1147.
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Kimm, T, Somerville, RS, Yi, S, Van Den Bosch, FC, Salim, S, Fontanot, F, Monaco, P, Mo, H, Pasquali, A, Rich, RM & Yang, X 2009, 'The correlation of star formation quenching with internal galaxy properties and environment', Monthly Notices of the Royal Astronomical Society, vol. 394, no. 3, pp. 1131-1147. https://doi.org/10.1111/j.1365-2966.2009.14414.x

The correlation of star formation quenching with internal galaxy properties and environment. / Kimm, Taysun; Somerville, Rachel S.; Yi, Sukyoung; Van Den Bosch, Frank C.; Salim, Samir; Fontanot, Fabio; Monaco, Pierluigi; Mo, Houjun; Pasquali, Anna; Rich, R. M.; Yang, Xiaohu.

In: Monthly Notices of the Royal Astronomical Society, Vol. 394, No. 3, 01.04.2009, p. 1131-1147.

Research output: Contribution to journalArticle

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AU - Fontanot, Fabio

AU - Monaco, Pierluigi

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