Software

Gauss-Hermite Fourier Fitting Software
- Authors: Roeland van der Marel (1991-1993) and Marijn Franx (1988-1991)
- Purpose: extract stellar kinematics from galaxy spectra
- Information: read this manual to get started, or consult the following paper for details: [R5]
- Availability: Download (save to your disk as fourfit.uu; to unpack issue: csh fourfit.uu)

Gauss-Hermite Pixel Fitting Software
- Author: Roeland van der Marel (1992-1994)
- Purpose: extract stellar kinematics from galaxy spectra
- Information: read this manual to get started, or consult Appendix A of the following paper for details: [R9]
- Availability: Download (save to your disk as pixfit.uu; to unpack issue: csh pixfit.uu)

Spherical Anisotropic Jeans Modeling Software
- Author: Roeland van der Marel (1992-1994)
- Purpose: predict the velocity dispersion profile of a spherical galaxy model with an arbitrary velocity anisotropy profile.
- Information: I developed programs to solve this problem in the context of my study of M87, described in detail in the following paper: [R9]
- Availability: These programs are not currently available in an organized form suitable for distribution. However, feel free to email me if you think that I should work on this.

Scale-free Modeling Software
- Authors: Roeland van der Marel (1994-1995) and Jos de Bruijne (1994-1995)
- Purpose: predict intrinsic and projected kinematical quantities of axisymmetric mass densities with anisotropic velocity distributions in spherical potentials. Useful for studying asymptotic behavior near a black hole or in an isothermal halo.
- Information: read this manual to get started, or consult the following paper for details: [R15]
- Availability: Download (save to your disk as scalefree.uu; to unpack issue: csh scalefree.uu)

Two-integral Jeans Modeling Software
- Authors: Roeland van der Marel (1989-1992) and James Binney (1985-1989)
- Purpose: interpret the observed kinematics of (early-type) galaxies with axisymmetric f(E,Lz) models.
- Information: read this manual to get started, or consult the following papers for details: [R2], [R4], [C3], [R7]
- Availability: Download (save to your disk as jeans.uu; to unpack issue: csh jeans.uu)

Other Two-integral Modeling Software
- Authors: Roeland van der Marel (1992-1997), Wyn Evans (1992), Eddy Qian (1993-1994)
- Purpose: interpret the observed kinematics of (early-type) galaxies with axisymmetric f(E,Lz) models.
- Information: I have (co-)developed several other programs (in addition to those listed above) to study the properties of axisymmetric two-integral models. Consult the following papers for details: [R8], [R12], [R21]
- Availability: These programs are not currently available in an organized form suitable for distribution. However, feel free to email me if you think that I should work on this.

Three-integral Orbit Superposition Software
- Author: Roeland van der Marel (1995-1997), in a collaboration with Nicolas Cretton, Hans-Walter Rix and Tim de Zeeuw
- Purpose: predict intrinsic and projected kinematical quantities of axisymmetric galaxy models with a fully general dynamical structure.
- Information: read the following paper for details: [R21]
- Availability: These programs are not currently available in an organized form suitable for distribution. However, feel free to email me if you think that I should work on this.

HST/FOS ACQ/PEAK target acquisition software
- Author: Roeland van der Marel (1994-1995)
- Purpose: to test acquisition strategies and prepare observations with the HST/FOS (obsolete since 1997)
- Information: read the following paper to get started: [C5]
- Availability: Download (save to your disk as fosacqpeak.uu; to unpack issue: csh fosacqpeak.uu), or run the program directly from this website

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Last modified August 31, 2000.
Roeland van der Marel, marel@stsci.edu.
Copyright Notice.