Two dimensional bulge disk decomposition

Abstract

We propose a two dimensional galaxy fitting algorithm to extract parameters of the bulge, disk, and a central point source from broad band images of galaxies. We use a set of realistic galaxy parameters to construct a large number of model galaxy images which we then use as input to our galaxy fitting program to test it. We find that our approach recovers all structural parameters to a fair degree of accuracy. We elucidate our procedures by extracting parameters for 3 real galaxies -- NGC 661, NGC 1381, and NGC 1427.

23 pages, LaTeX, AASTEX macros used, 7 Postscript figures, submitted to ApJ

References in corpus (1)

• Near-Infrared Surface Photometry of Bulges and Disks of Spiral Galaxies. The Data

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