Rotation Curve Fitting of Cluster and Field Galaxies Using a Dark Matter Model

Details Rotation Curve Fitting of Cluster and Field Galaxies Using a Dark Matter Model Rotation Curve Fitting of Cluster and Field Galaxies Using a Dark Matter Model

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.2812h&link_type=abstract

American Astronomical Society Meeting 205, #28.12; Bulletin of the American Astronomical Society, Vol. 36, p.1393

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Given a collection of cluster and field galaxies' H-alpha rotation curves and I-band profiles, my task was to write a program to model the dark matter halo of said galaxies and look for trends in the disk mass-to-light ratio, halo central density, and halo core radius. The relationships of these fitted parameters between each other and between observables, such as absolute magnitude and cluster-centric distance, are examined, and the overall utility of the program in modeling galaxies is discussed.
This work has been supported by NSF REU grant AST-0353760.

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