Investigating the AGN-Merger Connection at z~2 with CANDELS - PowerPoint PPT Presentation

Nov 11, 2023 •136 likes •397 views

Investigating the AGN-Merger Connection at z~2 with CANDELS Background Evolution of AGN Fueling Modes -2 z = 0.1 z = 0.2 z = 0.5 -4 -6 log 10 [ (M B )] [Mpc -3 mag -1 ] -8 -2 z = 0.8 z = 1.0 z = 2.0 -4 -6 -8 -16 -20 -24 -28

Investigating the AGN-Merger Connection at z~2 with CANDELS
Background
Evolution of AGN Fueling Modes -2 z = 0.1 z = 0.2 z = 0.5 -4 -6 log 10 [ φ (M B )] [Mpc -3 mag -1 ] -8 -2 z = 0.8 z = 1.0 z = 2.0 -4 -6 -8 -16 -20 -24 -28 -16 -20 -24 -28 -16 -20 -24 -28 M B Hopkins ¡& ¡Hernquist ¡(2006) ¡
Wide Field Camera 3 Rest-Frame UV Rest-Frame Optical V z Y J H z=1.55
X-ray AGN in GOODS-S ERS II CANDELS Deep CANDELS Wide Soft Source Hard Source
X-ray Luminosity Distribution
Host Morphologies Spheroids Disks Mergers / Interactions F160W (H) F775W (i) Rest-Frame UV Rest-Frame Optical V z Y J H z=1.55
Visual Classifications
Mass-Matched Control Sample
Classification Results
AGN Still Favor Spheroids All Disks All Spheroids Control AGN Pure Disks Disk + Spheroid Pure Spheroids (Disk with Bulge)
Standard Caveats Spheroids Disks Mergers / Interactions F160W (H) F775W (i)
Morphologies of Compton Thick AGN
Constraints on Time Delay Caveat Spheroids Disks Mergers / Interactions F160W (H) F775W (i)
Implications for AGN Fueling Models 10 -3 -2 log 10 [ φ (M B )] [Mpc -3 mag -1 ] z = 2.0 1.5 < z < 2.0 10 -4 d Φ /d(log L X ) -4 10 -5 -6 10 -6 10 -7 50% 50% -8 Disks Disks 10 -8 41 42 43 44 45 46 -16 -20 -24 -28 log(L X / erg s -1 ) M B
Alternatives to Mergers BLACK HOLE GROWTH AND AGN OBSCURATION BY INSTABILITY-DRIVEN INFLOWS IN HIGH-REDSHIFT DISK GALAXIES FED BY COLD STREAMS Fr´ ed´ eric Bournaud CEA, IRFU, SAp, 91191 Gif-sur-Yvette, France; frederic.bournaud@cea.fr Avishai Dekel Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel; dekel@phys.huji.ac.il
Clumpy Disks Among AGN Hosts 4000A (rest) 4000A (rest) 4000A (rest) 4000A (rest) z = 0.5 - 0.8 F775W z = 0.5 - 0.8 F775W z = 0.5 - 0.8 F775W z = 0.5 - 0.8 F775W z = 0.8 - 1.2 F850LP z = 0.8 - 1.2 F850LP z = 0.8 - 1.2 F850LP z = 1.2 - 1.9 F125W z = 1.2 - 1.9 F125W z = 1.9 - 2.5 F160W
Clumpy Disks Among AGN Hosts
Clumpy Disks Among AGN Hosts
Clumpy Disks Among AGN Hosts
Clumpy Disks Among AGN Hosts
Alternatives to Mergers Spheroids Disks Mergers / Interactions F160W (H) F775W (i)
Conclusions Spheroids Disks Mergers / Interactions F160W (H) F775W (i)

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