Demographyandevolu1onofdistantsupermassiveblackholesintheJ1030field

SDSSJ1030+0524,z=6.31RobertoGilliMarcoMignoliErosVanzellaRobertoDecarli….INAF-OABo

Cris1anVignali….DIFA-UniBo

• When,where,andhowdidtheyformandgrow?• Whatistheirorigin(seeds)?

Thechallengeofluminousz>6QSOsi.e.SMBHsgrownto109Msuninlessthan1Gyr

ULASJ1120(z=7.08)

Mortlock+11

Efficientfuelingneedsdenseenvironments

Rareandbig:earlySMBHscanonlyforminthemostoverdenseregions

(Overzier+09,DiMageo+12,Dubois+13,Costa+14,Barai+17)

Costa+14

z=6.2 23pMpc3

2pMpc

LBT/LBCrizimagingaroundfourz~6QSOs

Overdensitysignificantat~4σ(combined)

Morselli+14

galaxycandidatesatz~6

SDSSJ1030+0524:themostpromisingoverdensityaroundaz~6QSO

Balmaverde+17

overdensityconfirmedandreinforcedakernear-IRimaging(YandJ)

Stackof20z~6gal.cand. Photo-zofthestack

Spectroscopicconfirma1onoftheoverdensity

1x1arcmin2

QSOz=6.31

LAEz=6.219

LAEz=6.355

VLT/MUSE6.3hrpublicexposure

MUSELymanAlphaEmiger KeckLymanBreakGalaxy

NewrunatKeckonDec15th

[CII]-basedredshikdetermina1onplannedwithNOEMA(PIR.Decarli)

Band Survey/Instr. Area Depth(5σ) Status/Refs/Notes

Radio–1.4GHz VLA 30’FWHM 75µJy Petric+03,reanalyzed

Radio–1.4GHz VLA 30’FWHM 7.5µJy filler2017-PIPrandoni

FIR-1.2mm ALMA 0.2’FWHM 48µJy Decarli+17

FIR–1.2mm ALMA 1’x1’ 55µJy fillerCycle5-PIGilli

MIR24µm Spitzer/MIPS 21’x14’ [24]=19.5 IRSAarchive

MIR3.4÷8.0μm Spitzer/IRAC 21’x14’ [3.4]=22.7 IRSAarchive

NIR-YJ WIRCAM/CFHT 24’x24’ mAB~24 Balmaverde+17

NIR–JHK MUSYCDeep 10’x10’ mAB=23 Quadri+07

NIR–K MUSYCWide 30’x30’ mAB=21 Blanc+08

NIR–H HST/WFC3 2’x2’ mAB=27.5 HSTarchive

NIR-spectroscopy LBT/LUCI 17’x17’ mAB=24 Strategicprogram

Opt-UBVRiz MUSYCWide 30’x30’ mAB=25-26 Blanc+08

Opt–riz LBT/LBC 23’x25’ mAB=25,26,27.5 Morselli+14

Opt–riz Subaru/Suprime 27’x24’ mAB=26-28 Diaz+14

Opt–iz HST/ACS 3.3’x3.3’ mAB=27.5 S1avelli+05,Kim+09

Opt-em.lines MUSE 1’x1’ 2e-18erg/cm2/s/A ESOarchive,reanalyzed

Opt.spectroscopy Keck/DEIMOS 23’x25’ 1e-17erg/cm2/s/A PICappellu1

Opt.spectroscopy LBT/MODS 17’x17’ 1e-17erg/cm2/s/A Strategicprogram

X-ray0.5-7keV Chandra/ACIS-I 17’x17’ 1.7e-16erg/cm2/s Nanni+18inprep

X-ray0.3-10keV XMM 30’diameter 1.0e-15erg/cm2/s Farrah+04

Mul1-bandcoverageoftheSDSSJ1030field

500ksChandraLargeProgramDeepestX-rayobserva1onofaz>6QSO

getbestspectrumofaz>6QSOs

detectfaintand/orobscuredsatelliteAGNs

SSA 22 J1030

performdeepX-raysurvey;4thdeepesttodate

Goals

Nanni+18

Chandraimage0.5-7keV

>200X-raysources(mainlyobscuredAGN)

O/NIRspec.ofX-raysourcesandz~6galaxycandidateswithKeck,VLT/MUSEandLBT

LBTstrategicprogram(52hrs)withMODS+LUCIObs.fromJan2018

~180redshiksexpected:AGNdemographyandevolu1on

/MIPS

MUSEALMA

XID119

Doublenucleus:dualAGN?GWprogenitor?

Hβ

[OIII]

MUSEobs.ofXID145:atype2AGNatz=0.826in3D

HST/ACSz-band

Past/currentmasterandPhDThesesonthisproject

LauraMorselli(nowPhDatMPEGarching)Discoveryofalarge-scalegalaxyoverdensityaroundSDSSJ1030Op1calImaging,LBTdata-Morsellietal.2014

RiccardoNanni(on-goingPhDatUniBo)PhysicsofSDSSJ1030anditscloseenvironmentX-rayanalysis,Chandradata–Nannietal.2018,inprepara1onX-raysurvey

AlessandroPeca(on-goingmasterthesisatUniBo)Searchandphysicalcharacteriza1onofdistant,obscuredAGNChandra&mul1banddata(op1cal/IR)

MasterThesesavailableonthisproject

• O/IRspectroscopicfollow-upofX-raysources.Analysisandinterpreta1onofLBTdata(MODS+LUCIstrategicprogram)

• Op1calspectroscopicfollow-upofz~6galaxycandidates.Analysisandinterpreta1onofKeck(DEIMOS)+NOEMAdata

• Individualmul1-bandAGNstudies:-AGNingalaxyclusterwithdoublenucleus(Chandra,LBT,+…)- Dynamicsandgasexcita1oninanearbySeyfert2galaxy(MUSE,HST,Chandra..)-other(e.g.powerfulhigh-zFRIIradiogalaxy)

• mmdeepfieldaroundSDSSJ1030.Analysisandinterpreta1onofALMAdata(incollabora1onwithARC)

References,contactsandwebsites

hgp://oabo.inaf.it/~LBTz6

Morsellietal.2014,A&A,568,A1Balmaverdeetal.2014,A&A,606,A23Nannietal.2018,A&A,inprepara1on

RobertoGilli roberto.gilli@oabo.inaf.it office4W11 MarcoMignoli marco.mignoli@oabo.inaf.it office4W12ErosVanzella eros.vanzella@oabo.inaf.it office4W10RobertoDecarli roberto.decarli@oabo.inaf.it office4W5RiccardoNanni riccardo.nanni7@unibo.it office4E4

Cris1anVignali cris1an.vignali@unibo.it office4S1