a fir fine structure line survey of dusty star forming...
TRANSCRIPT
AFIRFineStructureLineSurveyofDustyStarFormingGalaxies
usingZEUS-2@APEX,ALMAandtheJVLASarahHigdon1,JamesHigdon1,CarlFerkinhoff2,GordonStacey3(PI),ThomasNikola3,DrewBrisbin4,AmitVishwas3,CodyLamarche3,HannahTidwell1,StephenParshley3,Jus�nSchoenwald31:GeorgiaSouthernUniversity;2:WinonaStateUniversity;3:CornellUniversity;4:DiegoPortalesUniversity
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Modesofstarforma�onMetallicity
ASurveyofDustyStarFormingGalaxiesusingZEUS-2@APEX,ALMAandtheJVLA
SarahHigdon1,JamesHigdon1,CarlFerkinhoff2,GordonStacey3(PI),ThomasNikola3,DrewBrisbin4,AmitVishwas3,CodyLamarche3,HannahTidwell1,StephenParshley3,Jus�nSchoenwald31:GeorgiaSouthernUniversity;2:WinonaStateUniversity;3:CornellUniversity;4:DiegoPortalesUniversity
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Caltech -Steven Hailey Dunsheath Kent D.Irwin, Hsiao-Mei Cho,MikeNiemack (NIST-Bou lder ; Mark Ha lpern , Ma�hewHasselfield, Mandana Amiri (UBC); CaroleTucker, Peter Ade (Cardiff), DominicBenford (NASA Goddard), JohannesStaguhn(NASAGoddard,JHU)
Red[SII];Green[HII]Blue[OIII]
2005handfulofextremestarbursts&luminousAGNdetectedinCOathi-z Li�leknownaboutgasexcita�on NOdetec�onsoffinestructurelines Carilli&Walter2013:“Weareatatemporalcuspofknowledge…” ZEUS-2,ALMA,JVLA…..SKAHistoryoftheISMoverCosmicTime…
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Rodrigues+2010
TheEarlyUniverse:theepochofgalaxyassembly
modeofstarforma�on(accre�onofcosmicwebormergerinduced)
chemicalevolu�on
Dusty star forming galaxies (DSFGs) are the likelyprogenitorsofmassivegalaxiesatthecurrentepoch
Catchingphotonsishardwork!(al�tude=Everestbasecamp!)
APEX5kmal�tudeChileanAtacamadesert.
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Brisbinetal.2015
2ndGenera�onZ(redshi�)andEarlyUniverseSpectrometerZEUS-2
L2R: Carl Ferkinhoff, Gordon Stacey, ThomasNikola,JamesHigdon&AmitVishwas
ModelSEDforSMMJ2135−0102@z=2.3259basedonobserva�ons(Smail+2011) 6
AssesstheISMthroughtheFarinfrared(FIR)lines:majorcoolants&ex�nc�on-freei.e.,bright!
C+0.1-1%LFIRStacey(1991)MW70millionLsunULIRG1billionLsunHY-LIRG10billionLsun!!
[CII]/CO(1-0) ~ 4100
ZEUS-2FocalPlaneArrays:NaturalSpa�alMul�plexing
Nearby:5linesin4bands Highz:
Simultaneousdetec�onof[CII]and[NII]inz~1-2range. [OIII] Longslit–cosmic
web
5 ×× 12 645 µµm array spectral
spatial
CO(7-6)
[CI] 370 µµm
13CO(6-5) µµm
[CI] 609 µµm
[NII] 205 µµm
9 ×× 40 400 µµm array
10 ×× 24 215 µµm array
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ThePowerofZEUS-2:CosmicWeb&Chemicalevolu�onoftheISMattheepochofgalaxyassembly
Examplenearbygalaxyemissionlines
ThankstoCaroleTucker,PeterAdeandCardifffolksforthefilters!
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ZEUS-2 is op�mized to detect FIR lines whichare redshi�ed into the645 to200μmtelluricwindows.(Ferkinhoffetal.2010;2014).
C o - m o v i n g s t a rf o rma�on den s i t y(adoptedfromMagnelliet al. 2011). normalgalaxies (yellow), LIRGs(orange), and ULIRGs( r e d ) . T h e c r o s shatched region is thesumofthese.
ZEUS-2:Op�mizedforthePeakEpochofCosmicStarForma�on
where80-90%ofstarforma�onoccurredinDSFGs
ZEUS-2windowsOuttoz=4.5
ZEUS-2FirstLight@APEX:SDP-11-ahigh-zanalogueoflocalULIRGs(Ferkinhoffetal.2014)
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H-ATLAS SDP11 highlylensed (magnifica�on,µ~18)systematz~1.8.
+Lo
g(L-
[CII]
/L-F
IR)
Log(L-Co(1-0)/L-FIR)Staceyetal. (2010)/Ferkinhoffetal.2014. FUVradia�onfieldandgasdensitycontoursfromKaufmanetal.(2006)..Regionswith90%(dashed)and50%(do�ed)maximumcontoursof2DGaussiansfittothevarioussourcesamplesfromliterature(e.g.,Staceyetal.1991;Malhotraetal.2001;Luhmanetal.2003).
PDRDiagnos�c
ZEUS-2FirstLight@APEX:SDP-11-ahigh-zanalogueoflocalULIRGs(Ferkinhoffetal.2014)
Photodissocia�onRegions:Go=104;n=103cm-3
Compactintensestarburst0.4-1kpc
ZEUS-2C+HerschelCon�nuum&O0
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ZEUS-1[CII]Survey(Staceyetal.2010)
+
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DSFGsMergers: analogs of local ULIRGs.intense star forma�on in centraldiske.gSDP11()isalensedhi-ZanalogofalocalULIRG(Ferkinhoffetal.2014)Co ld A c c r e�on : E x t en s i v emoderate star forma�on on kpc-scaleslikelyfuelledbygasaccretedfromthecosmicweb.,e.g.,ZEUS-1C+Survey( )ofGalaxiesatz~1to2Staceyetal.2010.
ZEUS-1[CII]Survey(Staceyetal.2010)
+
Log(
L-[C
II]/L
-FIR
)
Log(L-Co(1-0)/L-FIR)
L-[CII]/CO(1-0)=4100
PDRDiagnos�c
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ALMAFollow-Up:ResolvingtheEinsteinringinSDP11Lamarcheetal.2017(inprep.)
probingsizescalesof~500pc!
ProposedALMACycle5[CI]307&670μm=>traceatomicgastemperatureandmass.12CO(4-3),12CO(7-6)–warmmoleculargas
[CII]
ZINGRS(ZEUS1&2Inves�gatedGalaxyReferenceSample)JVLASurvey
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NRAO/AUIandNRAO
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C-band/B-arrayObs:6GHzRest-frame:12-36GHz
KuBand/C-arrayObs:15GHzRest-frame30-90GHz
M82-Condon1992
Free-Free
Synchrotron
Dust
Chemical evolu�on of theISM at the epoch of galaxyassembly80hoursJVLA~30galaxiesatz~1-4.6intwomatchedarrayconfigura�ons(~1.4’’ uniform-weighted synthesizedbeam)Goal1: decomposeglobal thermal free-free from non-thermal synchrotronemission to be�er understand radiocon�nuumathigh-zGoal 2: Demonstrate use of FIR line/radio free-free diagnos�c for studyingmetallicityathigh-z.
H a n n a h T i d w e l lu n d e r g r a d u a t eresearchproject.
ZINGRS(ZEUS1&2Inves�gatedGalaxyReferenceSample)JVLASurveyHigdonetal2017&Ferkinhoffetal.2017(bothinprep.)
ZEUS-2&JVLA:N+Abundance
Lowdensitylimit nion=np=ne
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Preliminaryresults:HLS0455:MeasuringtheMetallicityFerkinhoffetal.2017(inprep.)
Undeterminedmagnifica�on
ZEUS-2:confirmz=2.9(12CO(3-2)Zavala)[OIII],[NII&JVLAC-bandCloudymodelingunderway
1“
JVLAC-Band
Zavala et al. 2015:Spitzer 3.6 micron(30”square)Contours:Scuba850μm(green) and AzTEC 1.1 mm (red) in1.5σ
Data shows nearby galaxies. FIR lines observed with the infraredspaceobservatory(ISO)5GHzradio observedwiththeJVLAadopt30% free-free (results from literature e.g., Brauher et al. 2008,Cormieretal.2015(dwarfgalaxies)
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Limi�nglineflux(5σ,4hrs)10-18W/m2at350µm6x10-19W/m2at450µm
ZEUS-2[OIII]/[NII]Survey:ChemicalEvolu�on(Vishwasetal.2017inprep.)
FIR lines & radio free-free emission =>ionized gas mass, stellar spectral type(age,orIMF),spa�alextent,stellarmass,andmetallicity.
Ferkinhoffetal.2011HII&NLRModels:Rubin1985,Grovesetal.2004
Prel
imin
ary
r r
CharacterizingtheStellarPopula�oninH-ATLAS1135/G12H43
DiscoveredwithHerschel Redshi�withGreenbankz=3.1276+-
0.000512CO(1-0)(Harrisetal.2012) NosignatureoflensingwithSMA
(marginallyresolvedat850um)LIR~1.2×1014L¤-(Harris2012)
StarswithZEUS-2F[OIII]88um:– O9stars~20,000�mesMW!tosupport
ioniza�on– Massofionized~0.2%ofthetotalgas
mass ExtremeSFR
Follow-up[NII]122umandradiocon�nuum–abundance,SFR,IMF19
Prel
imin
ary
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W2246[OI]@z=4.6!aWISEHOTDOG(300Kdust!)Vishwasetal.2017(inprep.)
•HeavilyobscuredAGN•Broad,highdispersion[CII]emission,inprocessoflaunchinghugeou�low(Diaz-Santosetal.2015)•ZEUS-22hrsonsourceBRIGHT[OI]~0.2%FIR~10x[CII]compactstarburstorAGNdrivenXDR?superstarburstbeingquenchedbyAGNac�vity?
Wealsohave[OIII]&radiocon�nuumFerkinhoffetalinprep.
Prel
imin
ary
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I hope I’ve demonstrated the advantages of using FIR lines & radiocon�nuum studies to determine the mode of star forma�on, stellarspectraltype,ageofstarburst,&thedegreeofchemicalevolu�on.ZEUSTeamFuture/On-goingWork: Cusp: cosmic web/[CII] observa�ons of W2246 with the Atacama
CompactArrayin2017/18
Hi-ResImaging:Modesofstarforma�on&metallicity:JVLA&ALMA
FIR-finestructurelinesurveyZEUS-2@APEXobservingrun2018
JWSTMIRI/NIRSpecSurvey(ERSdeadlineAug18)
Summary
ThankYou
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