The automated classification of astronomical lightcurves using Kohonen self-organising maps

Details The automated classification of astronomical lightcurves using Kohonen self-organising maps The automated classification of astronomical lightcurves using Kohonen self-organising maps

2004-08-05

arxiv.org/abs/astro-ph/0408118v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in MNRAS

Scientific paper

10.1111/j.1365-2966.2004.08093.x

We apply the technique of self-organising maps (Kohonen 1990) to the automated classification of singly periodic astronomical lightcurves. We find that our maps readily distinguish between lightcurve types in both synthetic and real datasets, and that the resulting maps do not depend sensitively on the chosen learning parameters. Automated data analysis techniques are likely to be become increasingly important as the size of astronomical datasets continues to increase, particularly with the advent of ultra-wide-field survey telescopes such as WASP, RAPTOR and ASAS.

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