Stéphane Courteau

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Mass Modeling Degeneracies fixed M/L α = 1 (NFW) fixed c Dutton, <strong>Courteau</strong>, de Jong, & Carignan (2005)
Moving Forward in Mass Modeling Requires: • disk M/L from accurate stellar population models • OPT/IR light profiles (no extinction; trace older underlying population) • 2D Hα/HI/CO velocity fields (SparsePak, FaNTOM) • halo constraints from N-body simulations (e.g. c anti-correlated with V 200) • proper error bars • oblate/prolate halos • model response of the halo profile to a cooling disk that grows by accretion
Page 1 and 2: Nearly Normal Galaxies in a ΛCDM U
Page 3 and 4: Ascona/Terschelling Highlights •
Page 5 and 6: The outer regions of M31 Worthey, E
Page 11 and 12: NGC 4656: small bulge and prominent
Page 13 and 14: Ascona/Terschelling Highlights Disk
Page 15 and 16: Interpretations of disk truncations
Page 17 and 18: 0.15 µm 0.4-0.8 µm 1.2-2.2 µm 3.
Page 19 and 20: ΛCDM Formation Models • Failures
Page 21 and 22: ΛCDM Formation Models • predicti
Page 23: Effect of Adiabatic Contraction (sa
Page 29 and 30: An argument for pure stellar disks
Page 31 and 32: Residual Correlations Courteau et a
Page 33 and 34: Comparison With Models • Simple e
Page 36 and 37: Evidence for Sub-Maximal Disks •
Page 38 and 39: SparsePak Study of Barred Galaxies
Page 40 and 41: € Scaling Relations of Galaxies
Page 42 and 43: λ = halo spin c = halo conc. m d =

Stéphane Courteau

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