Morphological transformations and AGN feedback PDF
Preview Morphological transformations and AGN feedback
Morphological transformations and AGN feedback Yohan Dubois – Institut d’Astrophysique de Paris (IAP) Collaborators: Rebekka Bieri, Sandrine Codis, Julien Devriendt, Raphaël Gavazzi, Mélanie Habouzit, Sugata Kaviraj, Taysun Kimm, Clotilde Laigle, Sébastien Peirani, Christophe Pichon, Joaquin Prieto, Joe Silk, Adrianne Slyz, Marta Volonteri, Charlotte Welker Horizon-AGN simulation 25 Mpc/h z=0 http://horizon-simulation.org Morphological transformations and AGN feedback 1) What SMBHs do for morphology 2) What morphology does for SMBHs The old days Without AGN: massive blue spirals are everywhere! Horizon-MareNostrum: Ocvirk, Pichon, Teyssier (2008), Devriendt et al (2010) Horizon-AGN Morphological variety Illustris Eagle The Horizon-AGN simulation • Simulation content – Run with Ramses (AMR) Teyssier (2002) – L =100 Mpc/h box – 10243 DM particles M =8x107 M DM,res sun – Finest cell resolution dx=1 kpc – Gas cooling & UV background heating – Low efficiency star formation – Stellar winds + SNII + SNIa – O, Fe, C, N, Si, Mg, H – AGN feedback radio/quasar mode • Outputs – Standard outputs ~200 Myrs – Star particles are backed up every 10-20 Myr – Lightcones (1°x1°) performed on-the-fly • Dark Matter (position, velocity) Dubois et al, 2014, 2016 • Gas (position, density, velocity, pressure, chemistry) Chisari et al, 2015, 2016 • Stars (position, mass, velocity, age, chemistry) Codis et al, 2015 • Black holes (position, mass, velocity, accretion rate) Kaviraj et al, 2015, 2016 • z=0 using 10 Mhours on 4096 cores Peirani et al, sub. • 150 000 galaxies per snapshot (> 50 part.) Suto et al, 2017 • 7.109 leaf cells (more than Illustris or Eagle) Volonteri et al, 2016 Welker et al, 2014, 2016 http://horizon-simulation.org/ You can find me on Youtube A visual inspection of the impact of AGN feedback on large-scale structures Green: gas density / Red: temperature / Blue: metallicity Horizon-noAGN Horizon-AGN z=2.5 z=2.5 + one DM-only simulation Motivation for AGN feedback Galaxy mass functions in the Horizon-AGN project ) 1 � x SN realm e d 1 � w/o AGN c p M ( ) s M w/ AGN g o l ( d / N d log M (M ) s � Kaviraj, Laigle et al, arXiv:1605.09379 HAGN HnoAGN HAGN HnoAGN HAGN HnoAGN Dubois et al, 2016 Fraction of Ellipticals Elliptical galaxy if V /σ<1 rot s l a c i t p i l l e f o n o i t c a r F Log Stellar Mass Dubois et al, 2016
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