publication . Article . Preprint . 2014

Predicting galaxy star formation rates via the co-evolution of galaxies and haloes

Watson, Douglas F.; Hearin, Andrew P.; Berlind, Andreas A.; Becker, Matthew R.; Behroozi, Peter S.; Skibba, Ramin A.; Reyes, Reinabelle; Zentner, Andrew R.; Bosch, Frank C. van den;
Open Access
  • Published: 06 Mar 2014 Journal: Monthly Notices of the Royal Astronomical Society, volume 446, pages 651-662 (issn: 0035-8711, eissn: 1365-2966, Copyright policy)
  • Publisher: Oxford University Press (OUP)
Abstract
In this paper, we test the age matching hypothesis that the star formation rate (SFR) of a galaxy of fixed stellar mass is determined by its dark matter halo formation history, and as such, that more quiescent galaxies reside in older halos. This simple model has been remarkably successful at predicting color-based galaxy statistics at low redshift as measured in the Sloan Digital Sky Survey (SDSS). To further test this method with observations, we present new SDSS measurements of the galaxy two-point correlation function and galaxy-galaxy lensing as a function of stellar mass and SFR, separated into quenched and star-forming galaxy samples. We find that our age...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy Astrophysics
free text keywords: Galaxy merger, Interacting galaxy, Satellite galaxy, Galaxy rotation curve, Astronomy, Physics, Galaxy formation and evolution, Type-cD galaxy, Astrophysics, Lenticular galaxy, Barred spiral galaxy, Astrophysics - Cosmology and Nongalactic Astrophysics
Funded by
NSF| Collaborative Research: Understanding the Physics of Galaxy Clustering on Small Scales
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1109789
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
,
NSF| Physics Frontier Center at the Kavli Institute for Cosmological Physics: Pushing Cosmology to the Edge
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1125897
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
NSF| Collaborative Research: Understanding the Physics of Galaxy Clustering on Small Scales
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1108802
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
,
NSF| Programs on Critical Problems in Physics, Astrophysics and Biophysics at the Aspen Center for Physics
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1066293
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
NSF| Shedding Light on the Fate of Satellite Galaxies and Integrating Current Research into Museums and K-12 Public School Classrooms
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1202698
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
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publication . Article . Preprint . 2014

Predicting galaxy star formation rates via the co-evolution of galaxies and haloes

Watson, Douglas F.; Hearin, Andrew P.; Berlind, Andreas A.; Becker, Matthew R.; Behroozi, Peter S.; Skibba, Ramin A.; Reyes, Reinabelle; Zentner, Andrew R.; Bosch, Frank C. van den;