Stéphane Courteau

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€ Scaling Relations of Galaxies • For a virialized DM halo: • At early times, with: MVir 3 RVir ∝ a−3 • Constant M/L : € • N-body simul : Observed: € € € V obs ∝ a −1/ 2 L 0.33 € Vobs ∝ LI 0.31±0.02 € € L ∝ MVir 2 MVir VVir ∝ RVir a = (1+ z) −1 VVir ∝ a −1/ 2 1/ 3 MVir € R disk ≅ λR Vir R disk ∝ aL 0.33 € R disk ∝ L 0.28±0.02 1/ 3 RVir ∝ aMVir V obs ≅ V Vir
Galaxy scaling relations 1700 spirals: Mathewson (1992), Dale/Giovanelli etal (1999), <strong>Courteau</strong> etal (2000)
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 and 24: Effect of Adiabatic Contraction (sa
Page 25 and 26: Moving Forward in Mass Modeling Req
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 42 and 43: λ = halo spin c = halo conc. m d =

Stéphane Courteau

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