publication . Article . Preprint . Other literature type . 2019

Candidate massive galaxies at z ∼ 4 in the Dark Energy Survey

Carlos E. Cunha; Gregory Tarle; Peter Doel; Paul Martini; F. Sobreira; Vic Scarpine; H. Thomas Diehl; Dominic Hanley; Marcelle Soares-Santos; J. Gschwend; ...
Open Access English
  • Published: 01 Mar 2019
Using stellar population models, we predicted that the Dark Energy Survey (DES) - due to its special combination of area (5000 deg. sq.) and depth ($i = 24.3$) - would be in the position to detect massive ($\gtrsim 10^{11}$ M$_{\odot}$) galaxies at $z \sim 4$. We confront those theoretical calculations with the first $\sim 150$ deg. sq. of DES data reaching nominal depth. From a catalogue containing $\sim 5$ million sources, $\sim26000$ were found to have observed-frame $g-r$ vs $r-i$ colours within the locus predicted for $z \sim 4$ massive galaxies. We further removed contamination by stars and artefacts, obtaining 606 galaxies lining up by the model selection...
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy AstrophysicsAstrophysics::Solar and Stellar Astrophysics
free text keywords: astro-ph.GA, RCUK, STFC, Space and Planetary Science, Astronomy and Astrophysics, Galáxias - Evolução, Massa (Física), Galaxies - Evolution, Mass (Physics), Astrophysics - Astrophysics of Galaxies, Universe, media_common.quotation_subject, media_common, Star formation, Dark energy, Redshift, Galaxy formation and evolution, Stellar population, Astrophysics, Galaxy, Photometric redshift, Physics
Funded by
Testing the Dark Energy Paradigm and Measuring Neutrino Mass with the Dark Energy Survey
  • Funder: European Commission (EC)
  • Project Code: 291329
  • Funding stream: FP7 | SP2 | ERC
NSF| Collaborative Research: The Dark Energy Survey Data Management Operations
  • Funder: National Science Foundation (NSF)
  • Project Code: 1138766
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
Understanding the Origin of Cosmic Structure
  • Funder: European Commission (EC)
  • Project Code: 306478
  • Funding stream: FP7 | SP2 | ERC
Capitalizing on Gravitational Shear
  • Funder: European Commission (EC)
  • Project Code: 240672
  • Funding stream: FP7 | SP2 | ERC
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