AN APPROACH TO STELLAR PHOTOMETRY USING SIMULATED ANNEALING
Date
1995-04-01
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Abstract
Simulated annealing can be quite effectively used to fit functions of many
parameters to a set of data. This paper discusses the application of
simulated annealing to the fitting of Moffat functions to crowded field
star images. Overlapping star profiles can be fit simultaneously and missed
stars can be located based on the $x sup 2$ value of the fit, and the
resulting functional model yields excellent photometric results. This method has
been integrated into a photometry system which allows the user to select
the accuracy of the results at the expense of time needed to perform
the calculations, and is but one example of such an application.
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Computer Science