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 [email protected] office4W11 MarcoMignoli [email protected] office4W12ErosVanzella [email protected] office4W10RobertoDecarli [email protected] office4W5RiccardoNanni [email protected] office4E4
Cris1anVignali [email protected] office4S1