daniel ceverino (hu) potsdam, 2009 avishai dekel (hu), reem sari(hu), tobias goerdt(hu), anatoly...
TRANSCRIPT
Daniel Ceverino (HU)
Potsdam, 2009
Avishai Dekel (HU) , Reem Sari(HU), Tobias Goerdt(HU),
Anatoly Klypin (NMSU)
High-Redshift Clumpy Disks & Bulges in Cosmological Simulations
From Disks to Bulges
Elmegreen et al. 2009
Genzel et al. 2008
Rest-frame
UVRest-frame
visible
Cold Streams & Hot halosat z=2.32Rvir=140 kpc Mvir=4 1011 M
Cold Gas (T<105.5 K) Hot Gas (T>105.5 K)
Rvir
Disk
Streams
Gravitationally Unstable Disks
15 kpc
log (M/pc2)Clumps !!
Gas SurfaceDensity
More Clumpy Galaxies
10 kpc
Gas Surface Density
Face-on view Edge-on view
Star Formation Maps
10 kpcFace-on view Edge-on view
in log(M/yr/kpc2)
A Massive Bulge
10 kpcFace-on view Edge-on view
Stellar Surface Density
More Clumpy DisksGas Surface Density
10 kpc
SINS and Simulations
Data (Red circles) from Forster Schreiber et al. 2009
Data (Red circles) from Cresci et al. 2009
SFR vs Stellar Mass Stellar Mass vs Max. Velocity
Clumps Evolution (400 Myr)
Clump Formation
8 kpc
Clump Migration
8 kpc
Steady-State Regime
z=1.9
z=1.6 z=1.3
Summary
The End
Artificial Fragmentation
