Red-SequenceEvolutionofGalaxyClusters

GouravKhullargkhullar@uchicago.edu

withLindseyBleem andMikeGladdersKICP,UniversityofChicago

Outline:AstrophysicsandCosmology

• Motivation• SPT,DESProjects• ADESClassProjectIllustration,Autumn2016,UniversityofChicago

• CosmologywithGalaxyClusters– Membership,Richness,Mass• Thiswork

• Datasets• Datacuts – selectionfunctions• Analysis

• RedSequenceEvolutioninmotion

A.Kravtsov

Gladders etal.– RedSequenceClusterSurvey

Concepts:AnOverview

HaloMassFunction

Boucquet etal.

CurrentConstraints

WtG,Allen,Mantz etal SPT,deHaan etal.2017

SPT-SZCosmology

Bleem etal.2015

SPT-SZCosmology

deHaan etal.2017

ThisWork

DESRedMapper GalaxyClusters

DESRedmapper

Example:SPTClusterinDES

GK

Distributionincolor-magnitudespace:1ClusterTile

Mr r-z

GK

Backgroundcontamination

Finalproduct:RedSequenceEvolutionwithz

GKetal.2017