SERVS: The Spitzer Extragalacc Representave Volume Surveymlacy/servs_aas_jun09.pdf ·...

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Transcript of SERVS: The Spitzer Extragalacc Representave Volume Surveymlacy/servs_aas_jun09.pdf ·...

SERVS:TheSpitzerExtragalac4cRepresenta4veVolumeSurvey

MarkLacy,theSERVSteam*SERVSwillmap18deg2ofskyinthe[3.6]and[4.5]bandsofwarmSpitzertoABmagnitudesof24.0and23.2(5‐sigma),respec4vely.SERVSisdeepenoughtoundertakeacompletecensusofmassivegalaxiesfromz~6to~1inavolume~0.8Gpc3,andlargeenoughtoovercometheeffectsofcosmicvariance,whichplaceseverelimita4onsontheconclusionsthatcanbedrawnfromsmallerfields.Wewillgreatlyenhancethediagnos4cpoweroftheSpitzerdatabyperformingmostofthissurveyintheregioncoveredbythenear‐IRVISTA‐VIDEOsurvey,andinotherareascoveredbynear‐IR,HerschelandSCUBA2surveys.Wewillbuildcompletenear‐infraredspectralenergydistribu4onsusingthesuperbdatasetsfromVIDEO,inconjunc4onwithourSpitzerdata,toderiveaccuratephotometricredshiasandthekeyproper4esofstellarmassandstarforma4onratesforalargesampleofhigh‐zgalaxies.Obscuredstarforma4onratesanddust‐shroudedBHgrowthphaseswillbeuncoveredbycombiningtheSpitzerdatawiththeHerschelandSCUBA2surveys.Wewillthusbuildacompletepictureoftheforma4onofmassivegalaxiesfromz~6,whereonlyabout1%ofthestarsinmassivegalaxieshaveformed,toz~1where~50%ofthemhave.Ourlargevolumewillalsoallowustoalsofindexamplesofrareobjectssuchashigh‐zquasars(~10‐100atz>6.5),high‐zgalaxyclusters(~20atz>1.5withdarkhalomasses>1014solarmasses),andevaluatehowquasarac4vityandgalaxyenvironmentaffectstarforma4on.Inthisposter,weshowtheareastobecoveredbySERVS,ancillarydataatotherwavelengths,andbrieflydiscusstheAORdesignstrategy.

AORdesign• SERVSfieldstakeseveraldaystoobserve,longenoughthatfieldrota4onduringtheexecu4onoftheAORsneedstobeaccountedfor.• Twoepochsrequiredtoremoveasteroids.Alsoallowsforvariabilitystudies,bothontheirownandwhencomparedwithSWIRE.Separa4ondaystomonths.• Eachepochhas3x200sframesusing3pointsfromthesmallcyclingditherpafern.Scien4ficallyusefulmosaicscanthusbemadefromasingleepoch,butcombiningthetwoepochsimprovesar4factrejec4on.• Small(3x3maps,280”spacing,1.7hr)individualAORsallowefficientfillingofsurveyarea.• Epochsareconstrainedtoafewdaywindoweachtominimizethe

effectsoffieldrota4on.

Field Area(deg2)

Fieldcenter,PA

Near‐IR Mid‐IR(Spitzer)

Far‐IR/submm

Radio X‐ray OpDcal

ELAIS‐S1 3 003748‐44000deg

VIDEOZ,Y,J,H,Kto25.7,24.6,24.5,24.0,23.5(AB)

SWIRE[3.6]‐[160](Lonsdaleetal2003)

HerschelHERMES,level6

ATLAS20cm(Middelbergetal.2008)

SmallamountofXMM&Chandraarchivaldata

ESIS B,V,R,I to 25,25,24.5,23.2 (Vega). SpARCS z-band to 24.2 (AB)

XMM‐LSS 4.5 022200‐04480deg

VIDEOZ,Y,J,H,Kto25.7,24.6,24.5,24.0,23.5(AB)

SWIRE,SpUDS[3.6]‐[70]

HerschelHERMESlevel5,S2CLS

‐ XMM‐LSS,SXDS CFHTLSwide,deeponpartoffield,u,g,r,i,zto>26,26.5,25.5,25.5,24.5(AB)

CDFS 4.5 033219‐28060deg

VIDEOZ,Y,J,H,Kto25.7,24.6,24.5,24.0,23.5(AB)

SWIRE,SIMPLE[3.6]‐[8.0]

HerschelHERMESlevel2,5

ATLAS20cm(Norrisetal.2006)

CDFS SWIRECTIOmosaicdatar,ito24.2,23.2(AB)overmostoffield.SpARCSz‐bandto24.2(AB)

Lockman 4 104912+5807328deg

DXSJ,H,Kto23.1,22.7,22.5(AB)

SWIRE HerschelHERMESlevel3,5,S2CLS

GMRT610MHz:Garnetal.(2008b)

Chandraobserva4onsofdeepSWIREfield,deepROSATfield

Par4alSWIREKPNOmosaicdataU,g,r,itor~24.5,Subraruarchivaldata,SpARCSz‐bandto24.2(AB)

ELAIS‐N1 2 161000+5430~350deg

DXSJ,H,Kto23.1,22.7,22.5(AB)

SWIRE HerschelHERMESlevel5,S2CLS

GMRT610MHz:Garnetal.(2008a)

Chandraarchivaldata SWIREINTdatau,g,r,i,zto23.4,24.9,24.0,23.2and21.9(Vega),SpARCSz‐bandto24.2(AB)

ReferencesGarn,T.etal.2008a,MNRAS,383,75Garn,T.etal.2008b,MNRAS,387,1037Lonsdale,C.J.etal.2003,PASP,115,897Middelberg,E.etal.2008,AJ,135,1276Norris,R.P.etal.2006,AJ,132,2409

Mira

Key:Greenboxes:SERVScoverage([3.6],[4.5])Cyan:Near‐IRVIDEO4les(southernfields)orUDXpoin4ngs(northernfields)Magentaboxes:SWIREMIPScoverage([24]‐[160])Yellowboxes:SWIREIRACcoverage([3.6]‐[8.0])Redboxes:HerschelHermeslevel=<5Bluebox:ATLAS(ES1;Middelbergetal.2008)

Website:www.its.caltech.edu/~mlacy/servs.html

ELAISS1

XMM‐LSS

CDFSonATLASradio LockmanonGMRTradio ELAISN1onGMRTradio

TheSERVSfields

*TheSERVSteam:AdamStanford,AlastairEdge,AlbertoFranceschini,AndreeaPetric,AngelaMor4er,AnnaSajina,AntonioCava,AprajitaVerma,CarolLonsdale,ClaudiaMaraston,DanielleNielsen,DaveAlexander,DaveClements,DavidBonfield,DuncanFarrah,EduardoGonzales,EelcovanKampen,EleanorDyke,EvanthiaHatziminaoglou,GillianWilson,GlenParish,GordonRichards,GordonSquires,HarryFerguson,HuubRofgering,IanSmail,IsaacRosebloom,IsmaelPerez‐Fournon,JamesDunlop,JasonSurace,JimGeach,JoseAfonso,KathyRome,KevinX,LoriLubin,MargueritePierre,MarkosTrichas,MasamiOuchi,MafJarvis,MayaVaccari,MichaelRowan‐Robinson,MinjinKim,NickSeymour,NievesCastro,OlivierLeFevre,PeterThomas,PhilipBest,RayNorris,RobIvison,RobertBecker,RossMcLure,RoyGal,SamHickey,ScofChapman,SebOliver,Sebas4enFoucaud,ShellyBursic,SteveRawlings,SusanRidgway,TanyaUrru4a,TonyReadhead