Image Index

7.   Elliptical Galaxies

Not yet Constructed

(1) Introduction
      (a) The Myths
      (b) Subdividing the Elliptical Class
      (c) Parameters
      (d) Deprojection
      (e) Observational Concerns
(2) Radial Light Profiles : Fitting Functions
      (a) deVaucouleurs (R1/4) and Sersic (R1/n) Laws
      (b) Hubble-Reynolds Law
      (c) Modified Hubble, Isothermal and King Laws
      (d) Dehnen Law (w. Hernquist and Jaffe Laws)
      (e) Central Regions : the "Nuker" Profile
(3) Radial Light Profiles : Resulting Fits
      (a) Outside the Center
            (i)   Variation with Luminosity
            (ii)  Variation with Environment
            (iii) cD galaxies
            (iv) Dwarf Ellipticals
      (b) Central Light Profiles
(4) Correlations Between Parameters
      (a) Early 2-Parameter Correlations
            (i)   Color-Magnitude and Similar Correlations
            (ii)  Size & Luminosity vs Surface Brightness
            (iii) Luminosity vs Velocity Dispersion
      (b) The 3-Parameter Fundamental Plane (F-P)
            (i)   Log Re,   < e >,   Log 0
            (ii)  The Dn - relation
            (iii) Kappa Space : 1   2   3
            (iv) Physical Basis of the F-P
            (v)  Use of F-P in Distance Measurement
      (c) Core Parameter Correlations
            (i)   Pre-HST Results
            (ii)  Post-HST Results
(5) The Shape of Elliptical Galaxies
      (a) 3-D Shapes
      (b) Isophote Shapes
      (c) Ripples and Shells
(6) Kinematics of Elliptical Galaxies
      (a) Methods of Analysis
            (i)   Fourier Quotient
            (ii)  Cross Correlation
            (iii) Other Methods
      (b) Amount of Rotation
            (i)   Expectations (pre-1975)
            (ii)  Results
      (c) Axis of Rotation
      (d) Kinematically Decoupled Cores
(7) Mass to Light Ratios
      (a) Inner Parts
      (b) Outer Parts & Halo
(8) Two Kinds of Ellipticals : Boxy and Disky
(9) Formation of Ellipticals
      (a) Two scenarios discussed
            (i)   Monolithic Dissipative Collapse
            (ii)  Hierarchical Mergers
      (b) Relevant Issues & Problems
            (i)   The Need for Dissipation (loss of energy)
            (ii)  Observational Support for Mergers
            (iii) Theoretical Support for Mergers
            (iv) Problems to Overcome
      (c) Merger Induced Dissipational Collapse