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The emergence of the red sequence at z~2 seen through galaxy clustering in the UKIDSS UDS

Published online by Cambridge University Press:  17 July 2013

William G. Hartley ,
Omar Almaini ,
Alice Mortlock ,
Chris Conselice  and
the UDS team
William G. Hartley
Affiliation:
School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD email: will.hartley@nottingham.ac.uk
Omar Almaini
Affiliation:
School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD email: will.hartley@nottingham.ac.uk
Alice Mortlock
Affiliation:
School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD email: will.hartley@nottingham.ac.uk
Chris Conselice
Affiliation:
School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD email: will.hartley@nottingham.ac.uk
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Abstract

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We use the UKIDSS Ultra-Deep Survey, the deepest degree-scale near-infrared survey to date, to investigate the clustering of star-forming and passive galaxies to z ~ 3.5. Our new measurements include the first determination of the clustering for passive galaxies at z > 2, which we achieve using a cross-correlation technique. We find that passive galaxies are the most strongly clustered, typically hosted by massive dark matter halos with Mhalo > 1013 M⊙ irrespective of redshift or stellar mass. Our findings are consistent with models in which a critical halo mass determines the transition from star-forming to passive galaxies.

Keywords

GalaxiesEvolutionLarge-scale structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S295: The intriguing life of massive galaxies , August 2012 , pp. 105 - 108
Copyright
Copyright © International Astronomical Union 2013 

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